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Wright Eclipse Gemini
Wright Eclipse Gemini
Wright Eclipse Gemini
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Wright Eclipse Gemini
London General Wright Gemini 3 bodied Volvo B5LH at Marble Arch in September 2022
Overview
ManufacturerWrightbus
Production2001–present
AssemblyBallymena, Northern Ireland
Body and chassis
Doors1-2
Floor typeLow floor
ChassisVolvo B8L
Volvo B5TL
Volvo B5LH
Volvo B9TL
Volvo B7TL
Volvo Super Olympian (Explorer)
Scania K410EB
RelatedWright Eclipse
Wright Pulsar Gemini
Wright StreetDeck (Chassis)
Powertrain
EngineVolvo D8K (Volvo B8L)
Volvo D5K (Volvo B5TL)
Volvo D5E/D5F/D5K (Volvo B5LH)
Volvo D9A/D9B (Volvo B9TL)
Volvo D7C (Volvo B7TL)
Volvo D10A (Volvo Super Olympian)
Scania DC13 (Scania K410)
TransmissionVolvo I-Shift
Voith DIWA
ZF Ecomat
ZF EcoLife
Dimensions
Length
2-axle
10.0 m (32 ft 10 in) to 11.5 m (37 ft 9 in)[1]
3-axle
11.3 m (37 ft 1 in)
12.0 m (39 ft 4 in)
12.8 m (42 ft 0 in)
Width2.52 m (8 ft 3 in)
Height4.23 m (13 ft 11 in) or 4.4 m (14 ft 5 in)

The Wright Eclipse Gemini is a low-floor double-decker bus body that was built by Wrightbus since 2001, based on the single-decker Wright Eclipse design. The second-generation Eclipse Gemini 2 was launched in 2009, followed by the third-generation Gemini 3 in 2013. Additionally, the body was available on Volvo Super Olympian chassis in Hong Kong between 2003 and 2005, marketed as the Wright Explorer.

The original Eclipse Gemini was launched in 2001 on Volvo B7TL chassis; from 2006, the body was also built on the replacement Volvo B9TL chassis and, from 2013, on the B9TL's replacement, the Volvo B5TL. From 2008, the body was also available on Volvo B5LH hybrid chassis. Eclipse Gemini's exported to the Asian market have been offered a choice of the tri-axle Volvo B8L and the Scania K410EB.

Wright Eclipse Gemini bodied buses were mass-introduced on London Buses services from 2001. It has also been popular with FirstGroup, who from 2003 onwards have purchased over 1,200 into service.[2] Dublin Bus and Bus Éireann have also acquired many Volvo B9TLs with Wright Eclipse Gemini bodywork.

First generation (2001–2009)

[edit]
For the Gemini body on the VDL/DAF DB250LF chassis, see Wright Pulsar Gemini.
Transdev in Burnley & Pendle Volvo B7TL with first generation Wright Eclipse Gemini body
Finglands Coachways Volvo B9TL with first generation Wright Eclipse Gemini body
Rears of First Bristol Volvo B7TL (right) and facelifted Volvo B9TL (left) Wright Eclipse Geminis at Cribbs Causeway bus station

The Wright Eclipse Gemini was launched in 2001, initially on the Volvo B7TL chassis, as a double decker version of the existing Wright Eclipse body.[3] The original Eclipse Gemini, and all versions up until the facelifted Gemini 3, have both the upper and lower deck front windscreens forming part of a single oval shape, with the destination blind in between. The interior of the Eclipse Gemini features curves similar to its exterior, and continues the modern feel.

In 2006, the Volvo B7TL chassis, which had been the subject of noise complaints,[4] was superseded by the Volvo B9TL, with Wrightbus launching a facelifted version of the Wright Eclipse Gemini to fit the new chassis. The updated styling was largely confined to the rear of the body, where it has a more rounded appearance compared to the original and a central LED route number panel, housed within a smoked glass effect panel underneath the upper rear window. Other external modifications included the relocation of the rear number plate from its integrated position with the upper rear window to a more conventional siting at the bottom of the bus.

The first-generation Wright Eclipse Gemini was highly popular with the FirstGroup, with the group ordering examples from 2004 onwards. Wright Eclipse Geminis on the Volvo B7TL chassis entered service with First Glasgow, First West and South Yorkshire, and First Leicester, among others, between 2004 and the B7TL's discontinuation in 2007.[5][6] The first examples on the following Volvo B9TL chassis entered service with First South Yorkshire and First Glasgow in 2007, subsequently followed by a large order from First Greater Manchester, who ordered over 200 of the type from 2007 to 2010.[7][8]

In London, the Wright Eclipse Gemini on the Volvo B7TL chassis was also highly popular with Transport for London operators, although these buses were the subject of criticism for noise from their cooling fans.[4] Arriva London were the launch customer for the Wright Eclipse Gemini, taking on its first two of the type in July 2001, one of which was displayed at the 2001 International Association of Public Transport conference at the Earls Court Exhibition Centre.[9]: 166  Arriva London would go on to operate a total 179 Wright Eclipse Geminis on the Volvo B7TL chassis, while 273 B7TL Geminis were delivered to Go-Ahead London Central and London General, 209 to First Capital, 73 to Travel London, 44 to East Thames Buses and three delivered to London United.[9]: 272  A single Euro IV Volvo B9TL demonstrator with Wright Eclipse Gemini bodywork was delivered to London Central in July 2006, however orders did not materialise.[10]: 5 [11]

Lothian Buses were another popular customer of the Wright Eclipse Gemini, initially ordering 125 on the Volvo B7TL chassis between 2005 and 2006, having previously standardised with the Plaxton President on the Dennis Trident chassis.[12][13] The company moved onto the Volvo B9TL chassis in 2007, taking on a first batch of 50 that year.[14] The Wright Eclipse Gemini on the Volvo B7TL chassis was similarly popular with Travel West Midlands, taking delivery of 150 of the type between 2004 and 2006,[15][16][17] as well as Translink of Northern Ireland, who took delivery of 125 Geminis on Volvo B9TL chassis during 2007 for use by both its Metro and Ulsterbus companies.[18]

Go North East initially took delivery of three Wright Eclipse Geminis with high specification interiors on the Volvo B7TL chassis in 2005, which were used on the X10 express service connecting Newcastle upon Tyne and Middlesbrough;[19] this was followed in 2006 by an order for five B7TL Geminis for use on the 724 service connecting Newcastle and Chester-le-Street.[20] East Yorkshire Motor Services purchased a total of 60 Wright Eclipse Geminis on both the Volvo B7TL and B9TL chassis between 2005 and 2009, including four for its Manchester-based Finglands Coachways operation,[21][22][18] and Lincolnshire RoadCar took delivery of six Wright Eclipse Geminis on Volvo B7TL chassis for Lincolnshire InterConnect services in 2006.[23]

The Blazefield Group first ordered Wright Eclipse Geminis in 2003, ordering twelve Volvo B7TLs with high-specification interiors for use on The 36, serving Ripon, Harrogate and Leeds.[24] This was followed by a delivery of 16 Geminis on B7TL chassis in 2005 for use on The Witch Way, serving Burnley and Manchester.[25] Ten Wright Eclipse Geminis on Volvo B9TL chassis were later delivered to Yorkshire Coastliner in 2008.[26]

Smaller operators of Wright Eclipse Geminis included Yellow Buses, who took delivery of six B7TL Wright Eclipse Geminis,[27] and Wessex Bus, who took delivery of seven B9TL Geminis during 2007.[18]

The Wright Eclipse Gemini was also made available on the hybrid Volvo B5LH chassis in 2008. The first six hybrid Eclipse Geminis were delivered to Arriva London in 2009.[28][10]: 136 

Wright Explorer

[edit]
Kowloon Motor Bus Wright Explorer bodied Volvo Super Olympian

Between 2003 and 2005, Wrightbus bodied 100 Volvo Super Olympian chassis for Kowloon Motor Bus in Hong Kong; these received a modified version of the Eclipse Gemini body, initially marketed as The Wright Bus but later being renamed the Wright Explorer. The bodywork was modified to fit the Super Olympian chassis, with the most noticeable difference being the tri-axle layout.[29][30] The last Volvo Super Olympian to roll off the production line received Wright Explorer bodywork.[citation needed]

Subsequently, the Super Olympian was replaced by a tri-axle variant of the Volvo B9TL. Wrightbus offered similar tri-axle bodywork, which was unnamed and had slightly different rear styling, to the chassis. Deliveries commenced in 2006 with an initial batch of 64 Wright-bodied B9TLs.[31] After the introduction of Euro IV-engined Volvo B9TL, this bodywork became known as the Eclipse Gemini tri-axle, but no bodywork carrying this name were known to have been built.

Second generation (2008–2018)

[edit]
For the Gemini 2 on VDL DB300 and diesel-electric hybrid chassis, see Wright Gemini 2.
Lothian Buses Volvo B9TL with standard-height Wright Eclipse Gemini 2 body in June 2010
Stagecoach Manchester Volvo B5LH with low-roof version of the Wright Eclipse Gemini 2 body in September 2025

The second generation Wright Eclipse Gemini, called the Eclipse Gemini 2, was launched in 2008 on Volvo B9TL and B5LH chassis. The Eclipse Gemini 2 features front and rear ends facelifted to match the Eclipse 2 single-decker, as part of Wrightbus' new design philosophy.[32] A low-roof version was introduced in 2012.

After having been a significant customer for Wright Eclipse Geminis, outside London, the FirstGroup ordered comparatively fewer Wright Eclipse Gemini 2s on the Volvo B9TL chassis. First West Yorkshire took the largest delivery of Gemini 2s in the group, with 47 delivered to the operator in 2012 following their use in London on shuttle services for the 2012 Summer Olympics.[10]: 184–185  Six were also delivered across two batches for First Berkshire's Green Line service 702 between 2011 and 2013,[10]: 178–179  while First Eastern Counties took delivery of 15 Gemini 2s for services in Norwich in 2012.[33]

Lothian Buses was a continuing customer for the Gemini body on Volvo B9TL chassis, purchasing 145 Gemini 2s from 2009 to 2011.[34][35] 14 of these were delivered in 2010 for Lothian's Airlink services, specified with luggage racks, free WiFi, tables and a route-branded livery.[36]

East Yorkshire Motor Services took delivery of twenty Gemini 2s in two batches in 2009.[37][38] Six more were delivered to the company in 2014, followed by three acquired from Volvo dealer stock in 2015.[39][40]

Delaine Buses took delivery of seven Wright Gemini 2s on Volvo B9TL chassis between 2011 and 2015, with Delaine's final example also being the last Volvo B9TL chassis and Wright Gemini 2 body built for the UK market.[41][42] Dublin Bus purchased 160 during 2012 and 2013.[citation needed]

The Volvo B5LH with Wright Eclipse Gemini 2 bodywork was popular with Arriva UK Bus, with 77 examples delivered to group subsidiaries between 2012 and 2013. 44 were delivered to Arriva North West, 33 of which were for use in Merseyside and the remaining eleven delivered for use in Manchester,[43][44][45] 12 were delivered to Arriva Yorkshire,[46] eleven were delivered to Arriva Southern Counties[47] and ten were delivered to Arriva North East.[48]

Elsewhere, operators of Volvo B5LHs with Wright Eclipse Gemini 2 bodywork include the Oxford Bus Company, who had nineteen low-roof examples delivered in 2013,[49][50][51] and National Express West Midlands, who had eighteen in two batches delivered between 2011 and 2013.[52][51] 22 were delivered to First West Yorkshire in 2011 for use on the Leeds guided busway,[53][54] while 14 were delivered to First Greater Manchester,[55] where four were also purchased that year by Bullocks Coaches for use on shuttle services along Oxford Road to the University of Manchester.[56][57] Smaller operators include Brighton & Hove, who had eleven delivered in 2012,[58] Preston Bus, who had eight delivered in 2013,[59][60][51] and Ensignbus, who had five delivered in 2012.[61]

Exports

[edit]
SBS Transit Volvo B9TL Wright Eclipse Gemini 2
KMB Volvo B8L prototype with Wright Eclipse Gemini 2 bodywork

Like the Explorer, the Eclipse Gemini 2 was sold in Hong Kong, including a tri-axle variant that replaced the Explorer. Citybus, Kowloon Motor Bus, MTR Bus and New World First Bus purchasing examples.[62][63][64] In 2013, Kowloon Motor Bus purchased two extended 12.8 metre long demonstrators.[65][66] and was delivered in mid-2014. Citybus took an example of the 12.8 metres long as well and was delivered in late-2013, with build quality issues delaying the registration process and eventually put into service in March 2015. In 2017, the first demonstrator Volvo B8L for Kowloon Motor Bus was fitted with an Eclipse Gemini 2 body.

Between 2010 and 2017, SBS Transit and Land Transport Authority took delivery of 1,606 Eclipse Gemini 2 for Volvo B9TLs being delivered as complete knock-down kits (CKD) and locally assembled by ComfortDelGro Engineering (CDGE) at Hougang Bus Depot (HGDEP). They are operated by all public transport operators in Singapore (SBS Transit, SMRT Buses, Tower Transit and Go-Ahead Singapore).[67][68][69][70] Most common bus model in Singapore, Likely the KMB Explorer-bodied Volvo Super Olympian B10TL units, based on the exterior design of these buses and technical specifications of this batch.

Third generation (2013–present)

[edit]
Dublin Bus Wright Gemini 3-bodied Volvo B5TL near Parnell Square in May 2019

The third generation Wright Eclipse Gemini, now called simply the Gemini 3, was launched in 2013 for the new Volvo B5TL chassis, the eventual replacement of the B9TL. The Gemini 3 also remained available on Volvo B5LH hybrid chassis. Some design features were taken from the New Routemaster, another Wrightbus design. The two most noticeable aesthetic changes were a substantial redesign of the rear end and the introduction of smaller upper deck windows to save weight; the front light clusters were also slightly redesigned, in order to incorporate separate LED daytime running lights for the first time.

The majority of orders for the pre-facelift Wright Gemini 3 were placed by Dublin Bus, who have taken over 600 of the type on from 2014 onwards, the majority of which were built on the Volvo B5TL chassis. Some of these have since transferred to Go-Ahead Ireland following the retendering of Dublin Bus services to the new company by the National Transport Authority.[71][page needed]

In London, pre-facelift Wright Gemini 3s on the Volvo B5LH chassis were delivered to Stagecoach London, who took delivery of 32 of the type in 2014 for service on route 53;[10]: 162–163 [72] these were subsequently disposed of to Arriva London in 2018.[73] Metroline, meanwhile, took delivery of 95 B5LHs with pre-facelift Wright Gemini 3 bodies,[10]: 109–112  and in 2015, London United took delivery of 28 Gemini 3s, with Tower Transit also taking delivery of eleven Gemini 3s.[10]: 68, 90 [74]

Lothian Buses purchased 25 pre-facelift Wright Gemini 3s on the Volvo B5TL chassis in 2014,[75] and Yellow Buses took delivery of eight Gemini 3s on Volvo B5TL chassis in 2015.[76][77] Delaine Buses purchased three Wright Gemini 3-bodied B5TLs between 2015 and 2017.[78]

2014 facelift

[edit]
Harrogate Bus Company standard height Wright Gemini 3-bodied Volvo B5TL in Harrogate in August 2022
Lothian Buses Wright Gemini 3 open top-bodied Volvo B5TL in Edinburgh in June 2018
Arriva North West low-height Wright Gemini 3 bodied Volvo B5LH on in Liverpool in April 2017

In 2014, to coincide with the launch of the integral Wright StreetDeck, the Gemini 3 underwent a facelift. Both the front and rear ends were substantially redesigned to match the StreetDeck.

Lothian Buses took delivery of a large number of facelift Wright Gemini 3s on the Volvo B5TL and B5LH chassis from 2015 until 2019, many of which were ordered through a four-year agreement signed in 2016 with Wrightbus to supply new buses to Lothian's fleet.[79][80] A majority of these Gemini 3s were delivered for the standard fleet to replace older buses,[81][82] however some were also delivered for use on Airlink and Skylink services, the latter of which was specified to operate B5LH hybrids.[83][84]

The facelift Wright Gemini 3 also can be configured as a purpose-built open top bus. The biggest customer for the open-top Gemini 3 is Lothian Buses, who took 30 examples for use on the company's City Sightseeing, Edinburgh Tour and Majestic Tour operations in 2016.[85] Stagecoach Cumbria & North Lancashire, meanwhile, received seven open-top Gemini 3s on the Volvo B5TL chassis for use on the operator's Lakesider sightseeing service in the Lake District in 2017,[86][87] and Stagecoach East received six B5TL Gemini 3 open-toppers in 2018 for its City Sightseeing operations in Cambridge.[88][89]

Translink, who were a launch customer for the facelift Wright Gemini 3, standardised on both pre and post-facelift Gemini 3s on the Volvo B5TL chassis, with a majority being delivered to Metro for use in Belfast.[90] Ten facelift Gemini 3s were also delivered in May 2017 for Airport Express services serving Belfast International Airport.[91]

Transdev Blazefield first took delivery of 14 high-specification facelift Gemini 3s on the Volvo B5TL chassis to upgrade their 36 service in 2016,[92] which was followed by the purchase of ten similar buses for the Yorkshire Coastliner service in 2016.[93][94] Both services received three more Gemini 3s in 2017.

First Greater Manchester purchased 20 facelift Gemini 3s on Volvo B5LH hybrid chassis in 2015 for use on Transport for Greater Manchester-contracted Vantage services on the Leigh-Salford-Manchester Bus Rapid Transit scheme, with five more acquired in 2016 to cope with increasing demand.[95][96] Arriva Merseyside also received 51 facelift Gemini 3s built with low-height bodies on the Volvo B5LH chassis between 2016 and 2017.[97] Smaller orders for the facelift Gemini 3 on the Volvo B5TL chassis, meanwhile, include the University of Wolverhampton, who took delivery of five Gemini 3s for shuttle services between the university's campuses in 2017,[98] and Sanders Services, who took delivery of two of the type in 2021.[99]

Exports

[edit]

The first three-axle Volvo B8L delivered to SBS Transit in Singapore in 2017 received a facelifted Gemini 3 bodywork and was registered as SG4003D. It failed trials in Singapore as a demonstrator for 3 years, and was subsequently bought by private operator A&S Transit (bus is now registered as PD169L).

Hong Kong's franchised bus operators have also placed orders for Volvo B8Ls with Gemini 3 bodywork – 200 for Kowloon Motor Bus, 10 for Long Win Bus, 46 for Citybus and 7 for New World First Bus. KMB's vehicles entered service in March 2018, with Citybus and New World First Bus's examples entering service in December 2019.[citation needed]

Hato Bus ordered 5 sightseeing buses in December 2018 on the twin-axle Scania K410EB chassis.[100] These were delivered sometime in 2020 and were unveiled in 2021.[101][102]

See also

[edit]

Competitors:

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Wright Eclipse Gemini

View on Grokipedia
from Grokipedia
The Wright Eclipse Gemini is a low-floor body manufactured by , a company based in , , and introduced in 2001 as a double-deck variant of the firm's single-deck Wright Eclipse design. It features an accessible low-floor layout throughout, with a distinctive curved front end and large windows for improved passenger visibility and comfort, and was initially built exclusively on the chassis, seating up to 76 passengers in a typical configuration. Rapidly gaining popularity for its reliability and modern styling, the Eclipse Gemini was described as a "superhit" bus by 2002 and saw widespread adoption across the , particularly in urban fleets like those in . By 2004, production had reached a with the delivery of the 1,000th unit to , underscoring its commercial success and role in modernizing double-decker transport. From 2006 onward, the body was also offered on the updated chassis, extending its production through 2009 for the first generation. The Eclipse Gemini line evolved into subsequent iterations, including the Gemini 2 (2008–2018) with enhanced structural integrity and the Gemini 3 (from 2013), which incorporated further refinements for hybrid and electric drivetrains while maintaining the core low-floor double-deck format. These developments solidified Wrightbus's position as a leading supplier of double-decker buses, with Eclipse Gemini-bodied vehicles remaining in service on major routes as of 2025, contributing to efficient public transportation in cities like , , and .

Overview

Design and Origins

The Wright Eclipse Gemini originated as a low-floor double-decker bus body developed by , a manufacturer based in , [Northern Ireland](/page/Northern Ireland), with production facilities including the nearby Galgorm site. It was launched in 2001 as Wrightbus's first double-decker body, building directly on the design principles of the company's earlier Wright Eclipse single-decker bus, which had debuted in 2000. This evolution allowed to adapt its proven single-deck styling—characterized by a modern, streamlined aesthetic—to a two-deck format, marking a significant expansion in the company's offerings for urban public transport. The naming convention reflects the bus's structural and stylistic lineage: "Eclipse" designated the core body style derived from the single-decker model, while "Gemini" signified the double-decker variant, evoking the twin-deck configuration. The initial purpose was to deliver high-capacity transport solutions tailored to the market, where demand for efficient, passenger-heavy vehicles was growing amid urban congestion and initiatives. By integrating with integral designs, the Eclipse Gemini emphasized practicality and scalability for fleet operators seeking reliable double-deckers. Central to its design philosophy was the prioritization of , achieved through a low-floor entry that facilitated easier boarding for users and reduced the need for steps at the front. This feature aligned with emerging regulations and operator preferences for inclusive vehicles, positioning the Eclipse Gemini as a forward-thinking option in the double-decker segment from its inception. Subsequent generations would refine these foundations, but the original model established 's reputation for innovative, user-focused bus bodywork.

General Specifications

The Wright Eclipse Gemini features standard dimensions of 10.0 to 12.8 meters in length, 2.52 meters in width, and 4.23 to 4.4 meters in height across its variants, allowing compatibility with various urban transit infrastructures. Passenger capacity typically accommodates 80 to 90 passengers, with configurations such as 28 seats downstairs and 42 upstairs in the standard 10.5-meter version, providing around 70 seated passengers plus standing room for high-demand routes. As a low-floor design, the Eclipse Gemini maintains an entry height of 350 mm to facilitate easy boarding, incorporating accessibility enhancements like suspension for further lowering at stops, automatic ramp deployment, and dedicated spaces to comply with regulations. The body construction utilizes an aluminum frame paired with composite panels, promoting lightweight durability and corrosion resistance for extended in diverse climates. Engine and transmission options center on diesel powertrains compliant with Euro 5 and Euro 6 emission standards, such as those integrated with Volvo B7TL or B9TL chassis, while later hybrid variants incorporate electric assistance for improved fuel efficiency and reduced emissions. Safety elements include three-point seatbelts fitted on the upper deck from 2008 onward and fire suppression systems in subsequent models to enhance occupant protection during operation.

First Generation (2001–2009)

Development and Launch

The development of the Wright Eclipse Gemini originated as Wrightbus's response to the evolving bus market, particularly the demand for high-capacity, low-floor double-deckers following the deregulation of bus services under the Transport Act 1986, which spurred competition and the need for efficient urban transport solutions. The design drew from the single-deck Wright Eclipse, launched in 2000, adapting it into a double-decker format to address London's emerging mandates for accessible vehicles, replacing step-entrance models amid Transport for London's push for low-floor buses starting in the early . Prototyping and initial engineering focused on integration with the chassis, with the body launched in 2001 as Wrightbus's entry into modern double-deck production at their facility in . The Eclipse Gemini underwent testing to ensure compliance with Public Service Vehicle (PSV) standards, including structural integrity, braking, and emissions requirements under the Road Vehicles (Construction and Use) Regulations, as well as early accessibility provisions. Certification also aligned with the Public Service Vehicles Accessibility Regulations 2000 (PSVAR), effective for new vehicles from January 2001, mandating low-floor entry, designated spaces for wheelchairs, and priority seating to enhance inclusivity. Key milestones included the first deliveries to launch customer in July 2001, with two units entering service and one showcased at the Showbus rally that September. By 2002, the model was recognized as a commercial success, dubbed a "superhit" by amid rapid adoption in urban fleets. Production at ramped up to meet demand, achieving an initial rate of approximately 250 units annually; by 2004, over 1,000 Eclipse Geminis had been built, with the 1,000th unit delivered to .

Chassis and Body Features

The first-generation Wright Eclipse Gemini was built primarily on the chassis in a 6x2 configuration starting in 2001. This low-floor chassis provided a stable platform for the double-decker body, enabling easy passenger access and smooth urban operation. In 2006, production transitioned to the chassis as a replacement, maintaining compatibility with the existing body design while offering improved power delivery. Key body features included a curved for enhanced driver visibility and an integral mounting system that minimized and improved structural integrity, resulting in an unladen of approximately 12 tonnes. The original front-end styling incorporated slim headlights, giving the bus a sleek, modern profile distinct from contemporary competitors. A standard 70-seat layout was typical, with configurations supporting accessibility through dedicated spaces on the lower deck. Power came from Volvo engines such as the D7C variant rated at around 215 (160 kW), later supplemented by the Volvo D9 engine at approximately 228 kW (310 PS) in the B9TL chassis. Early B7TL models complied with Euro 3 emissions, while B9TL variants from 2006 met Euro 4 standards, with some later achieving Euro 5. These were mated to automatic transmissions from ZF (e.g., Ecomat HP502) or , ensuring reliable performance in demanding city routes. The design emphasized durability, with the rear-mounted engine contributing to a balanced . Performance characteristics included a top speed of about 60 mph, suitable for inter-urban services, and around 2.5 km/l in urban driving cycles, reflecting the era's diesel technology. However, early models complied with pre-Euro 4 emission standards, resulting in higher output compared to later generations, and no hybrid propulsion was offered during this period.

Operators and Usage

The first-generation Wright Eclipse Gemini saw widespread adoption among major UK bus operators, with acquiring over 300 units starting in 2002 for high-volume urban and regional services. and also became key customers, deploying the buses on intensive routes across the country. Key deployments included services under (TfL) contracts from 2003, where integrated the model into its fleet for routes like the 11 and 430, emphasizing low-floor accessibility for urban passenger volumes. Regional operations focused on and , with subsidiaries using the buses on services such as Harrogate's route 36, which featured high-specification interiors for commuter demand. The model's design supported frequent, high-capacity runs in congested areas, contributing to a substantial fleet presence, with thousands of units entering service by the end of production in 2009. Operators reported positive feedback on the Eclipse Gemini's maintenance and reliability, noting its robust and ease of service, which allowed many units to remain in operation for 15 years or more. The buses demonstrated strong in daily urban use, with features like the chassis providing stable performance over extended periods. Withdrawals began gradually from 2015, driven by the need for emissions upgrades to meet stricter standards, as earlier Euro 3-compliant models were replaced with cleaner alternatives to reduce environmental impact.

Wright Explorer Variant

The Wright Explorer variant was a specialized adaptation of the first-generation Wright Eclipse Gemini body, developed specifically for export to the market and launched for (KMB) in 2003. The prototype, fleet number AVW1, commenced trials with KMB in January 2003, while production vehicles began entering passenger service in September of the same year. This marked Wrightbus's initial major foray into the bus sector, building on the core design of the UK-oriented Eclipse Gemini but with targeted modifications for local conditions. Between 2003 and 2005, produced over 100 units of the Wright Explorer, designated AVW1 to AVW100 in KMB's fleet, all bodied on the three-axle (B10TL) chassis with a 12-meter length optimized for 's urban road network. Unique adaptations included a right-hand drive layout to match local driving conventions, full air-conditioning on both decks with enhanced cooling capabilities to handle the subtropical climate, and compliance with regulatory standards, such as provisions for the operator's cream-and-red livery scheme. These buses offered a of 82 passengers—53 on the lower deck and 29 on the upper—facilitating efficient high-density transport on busy routes. The variant's production concluded in 2005, phased out as KMB transitioned to second-generation Eclipse Gemini models with updated options. Despite widespread retirements starting in the late , the last units were withdrawn by early , with some preserved or exported for continued use elsewhere, bolstered by refurbishment programs that extended their operational life and highlighted their reliability in Hong Kong's demanding environment.

Second Generation (2008–2018)

Introduction and Improvements

The second-generation Wright Eclipse Gemini, known as the , marked a significant evolution from the original model, addressing limitations in emissions compliance and powertrain flexibility while enhancing overall efficiency. Unveiled by at the Euro Bus Expo in Birmingham on 7 November 2008, the Gemini 2 was positioned as a modular body designed for both diesel and hybrid-electric configurations, reflecting the growing emphasis on sustainable urban transport. The first prototype was constructed on a chassis and underwent testing with , one of the early adopters, prior to entering passenger service in 2009. Key design refinements in the included a modular concept with options for Euro 5/EEV diesel or hybrid-electric power, using lightweight composite materials for improved fit and reduced weight, and a relocated flat positioned 1.5 meters above ground level for superior cooling. These changes were driven by regulatory pressures, particularly the impending Euro 5 emissions standards effective from 2009, which necessitated cleaner engine options, and the rising demand from operators for hybrid integration to reduce operational costs and environmental impact in densely populated areas like . The hybrid variant, featuring a series hybrid-electric driveline with components from ELFA and a compact , exemplified this shift, allowing for better underfloor space utilization. Production of the Gemini 2 ramped up swiftly following its launch, underscoring its commercial success in the UK and export markets. A notable addition in 2009 was the low-height roof variant, which provided a flatter profile for operations under height-restricted infrastructure while maintaining the model's low-floor accessibility. This option, along with the core body's emphasis on lightweight materials and modular construction, supported widespread adoption by major operators seeking versatile, compliant vehicles.

Chassis Options and Specifications

The second-generation Wright Eclipse Gemini was available on several options, with the serving as the primary platform for conventional diesel variants. This rear-engine, low-floor supported both two-axle and three-axle configurations, enabling lengths of 10.4 to 12 meters. From 2010, the hybrid model utilized the Volvo B5LH chassis, which integrated a parallel hybrid driveline for improved urban performance. Engine specifications for the Volvo B9TL featured the D9B inline six-cylinder diesel unit with 9.4-liter displacement, delivering 228 kW (310 hp) at 1,900 rpm and 1,400 Nm torque, compliant with Euro 5 emissions standards. The B5LH hybrid employed a smaller 4.76-liter D5F four-cylinder diesel engine rated at 161 kW (219 hp), paired with an electric motor in a parallel configuration that allowed independent or combined operation. The hybrid system included a 600-volt battery pack and regenerative braking, where the electric motor functioned as a generator to recapture energy during deceleration, enhancing fuel efficiency in stop-start conditions. Body design updates emphasized enhanced driver visibility through refined window framing, while maintaining an optional fully low-floor layout across the passenger area. Standard dimensions comprised a 10.6-meter length, 2.55-meter width, and 4.2-meter height, with a reduced 4.1-meter height variant available for low-bridge routes. Performance features included Euro 5 (and later Euro 6) emissions compliance via , along with transmission choices such as the Allison T500R or ZF 4HP500 automatics for smooth operation. The hybrid setup provided up to 35% better fuel economy compared to pure diesel equivalents in urban service, primarily through recovery.

Deployment in the United Kingdom

The second-generation Wright Eclipse Gemini, particularly its hybrid variants, saw significant adoption among major bus operators during the 2008–2018 period, driven by contracts emphasizing low-emission performance and operational efficiency. (TfL) subsidiaries, including and , were prominent early adopters; for instance, received 39 B9TL-chassised units in 2010 as part of broader hybrid fleet expansions on red routes such as the 113 and 139. , another key operator, secured a £11 million contract in 2008 for 57 Gemini 2 vehicles on VDL chassis, many deployed in and regional services, while integrated dozens into its fleets, including 47 units for First in 2012 serving inter-urban routes around . By 2018, bodies had entered service across diesel, hybrid, and gas-powered configurations, with hybrids becoming dominant post-2012 to comply with emerging requirements in cities like and . These vehicles powered key networks, including TfL's iconic red bus routes in the capital and First Manchester's services that later integrated into the from 2023 onward, enhancing capacity on high-demand corridors like the A6 to . Hybrid models, such as those on B5LH chassis, offered improved and reduced emissions, aligning with urban air quality initiatives. Operational impact was positive, with the earning high reliability ratings; hybrid-electric versions achieved a 95.8% MOT pass rate between 2011 and 2013, reflecting robust build quality and low downtime in demanding environments. Usage trends shifted toward hybrids after 2012, comprising the majority of new deliveries to support decarbonization goals, while overall fleet availability exceeded 95% in operator reports. As of 2025, many units remain active, particularly in regional fleets like those of Go-Ahead and , with emerging retrofits to full electric powertrains—such as Wrightbus's NewPower conversions ordered by in 2024—extending their lifespan in zero-emission operations.

International Exports

The second-generation Wright Eclipse Gemini saw significant international adoption outside the , particularly in and , where it was adapted for local transport needs during the 2008–2018 period. Major export markets included and , with additional deployments in Ireland, reflecting Wrightbus's growing global presence through partnerships with chassis manufacturers like . These exports typically involved complete bus assemblies or body kits mounted on chassis, tailored to meet regional specifications for urban double-decker operations. In , procured a total of 1,606 Wright Eclipse Gemini 2-bodied buses between 2010 and 2017, marking one of the largest export orders for the model and forming a substantial portion of the operator's double-decker fleet. These vehicles were deployed across SBS Transit's network to enhance capacity on high-demand routes, with deliveries occurring in multiple batches to support fleet renewal and expansion under Singapore's framework. The order underscored the model's reliability in tropical climates, where air-conditioning was standardized across all units to ensure passenger comfort. Hong Kong emerged as another key market, with over 200 units supplied to (KMB) and Citybus between 2009 and 2014. KMB alone received 175 units in two batches starting in 2009, while Citybus and its affiliate added 51 tri-axle variants in 2014, primarily for urban and airport routes. These buses complied with 's stringent emissions standards and featured right-hand drive configurations suited to local traffic flow. Adaptations for these markets included right-hand drive steering for right-side road systems in , , and , as well as mandatory air-conditioning systems to address high ambient temperatures. In , the buses met the Enhanced Environmentally Friendly Vehicle (EEV) emissions standard, incorporating Euro V engines for reduced pollutants. For Asian operators, low-roof variants were produced to navigate infrastructure with height restrictions, such as tunnels and bridges, while maintaining full low-floor . These modifications drew on UK-developed hybrid technology principles for efficiency, though most exports remained diesel-powered. Production for exports often involved shipping complete chassis-body combinations from in to assembly facilities abroad, or providing body kits for local integration with chassis, as seen in where kits were finalized by partners. This approach facilitated cost-effective scaling for large orders. In Ireland, received 160 units during 2012 and 2013, mounted on chassis for its core network, marking the model's European expansion beyond the . By the early , the legacy of these exports varied by market. Singapore's fleet was largely retired by 2023, with the bulk withdrawn in 2022 to make way for newer electric and cleaner diesel models under updated contracting models, though some units lingered in secondary roles. In , surviving units from KMB and Citybus underwent refurbishments, including interior updates and engine overhauls, to extend service life into 2025 and beyond, supporting ongoing demand for double-deckers in dense urban environments.

Third Generation (2013–present)

Launch and Design Changes

The third-generation Wright Eclipse Gemini, rebranded simply as the and dropping the "Eclipse" name, was launched in 2013 specifically for the new chassis, which marked 's Euro 6-compliant replacement for the earlier B9TL model. This introduction aligned with the B5TL's debut, following three years of development by Volvo to achieve lighter weight and lower emissions through a new 5.1-litre D5K engine and chassis optimizations. The bodywork was designed to complement the B5TL chassis reduced in weight by approximately 300 kg compared to its predecessor, contributing to a total curb weight reduction of around 1,000 kg, enabling better and urban performance for double-decker operations in dense city environments. Key design changes in the Gemini 3 focused on aesthetic and structural refinements to enhance modernity and efficiency, including a sleeker front end with full-width glazing that eliminated the previous model's B-pillar on the driver's side for a more streamlined appearance. Integrated LED lighting was incorporated across the front and rear, improving visibility and energy efficiency while giving the bus a contemporary look. These updates resulted in a bodyweight reduction of 700 kg relative to the second-generation , contributing to overall vehicle agility and compliance with evolving urban maneuverability standards. The changes represented a subtle evolution from the second-generation's front-end styling, prioritizing smoother without major structural overhauls. Development of the was driven by the need to pair advanced bodywork with the lighter B5TL chassis, responding to industry demands for Euro 6 emissions standards and enhanced handling in congested urban settings. The first production units were delivered to in 2014 as demonstrators on the B5TL, marking the initial deployment for the operator on routes. Full-scale commenced that same year at Wrightbus's Ballymena facility, with the model gaining traction for its balanced design; numerous units had entered service across various operators, underscoring its adoption in response to regulatory and operational pressures. As of 2025, -bodied buses continue in service with operators like and TfL contractors.

2014 Facelift

The 2014 facelift of the Wright Eclipse Gemini 3 represented a mid-generation refresh for the third-generation model, unveiled at the Euro Bus Expo in November 2014. This update aligned the bodywork's aesthetics with the newly launched integral Wright StreetDeck double-decker, incorporating a revised front end and slightly restyled rear for a sleeker, more modern profile. The changes advanced the overall , departing from the earlier rounded styling to enhance visual appeal and market competitiveness. The facelifted made its public debut mounted on a chassis, presented in Translink's pink to showcase its adaptability across chassis options, including the hybrid B5LH. Applied to new builds from late 2014 onward, the refresh addressed operator feedback on exterior design while maintaining core structural integrity from the 2013 launch. This styling evolution coincided with the StreetDeck's introduction, allowing shared manufacturing efficiencies and broader appeal in the double-decker segment.

Technical Specifications

The third-generation Wright Eclipse Gemini utilizes several chassis options optimized for low-floor double-decker configurations, primarily the , B5LH, and B8L models, as well as the K410EB, all in a 6x2 rigid setup to support urban and intercity operations. The features a lightweight design with a gross of 18,000 kg, enabling enhanced passenger capacity while maintaining stability on two axles. Engine choices include the D8K 7.7-liter inline-six diesel unit delivering 261 kW (350 hp) of power for the B8L variant, compliant with Euro VI emissions standards through technology. Hybrid configurations on the B5LH chassis combine the 5.1-liter D5K at 179 kW (240 hp) with an integrated , achieving improvements with a 39% reduction in fuel and CO2 emissions over equivalent diesel models in urban cycles. The K410EB employs a 12.7-liter DC13 rated at 301 kW (410 hp), paired with retarder for controlled braking in heavy-duty applications. Body dimensions for the third-generation model, particularly post-2014 facelift, span lengths of 10.6 to 11.2 meters, with an overall height of 4.15 meters to accommodate low-floor entry and double-deck seating for 85 to 95 passengers depending on layout. Transmission options consist of the automated manual or the ZF 6HP series automatic, with the incorporating parallel hybrid technology for seamless power delivery and reported efficiency gains of 10-15% in stop-start traffic. Performance metrics include compliance with Euro VI emissions, a governed top speed of 65 mph (105 km/h) for road safety, and urban fuel consumption around 3 km/l (approximately 7 mpg) for diesel variants, with hybrids achieving better economy through regenerative braking. Unique features encompass an open-top variant introduced in 2016 for sightseeing applications, supporting up to 78 seated passengers.

Operators and Recent Deployments

The third-generation Wright Eclipse Gemini has seen extensive adoption among major bus operators, particularly within the (TfL) network, where over 400 units have entered service between 2015 and 2025 across various contractors. Notable orders include 95 examples delivered to in 2014–2015 and 28 units to London United Buslines in 2015, contributing to the model's prominence on urban routes requiring high capacity and low-floor access. Outside , has maintained a significant hybrid fleet of Gemini 3-bodied vehicles in the 2020s, with deliveries such as 25 Euro 6 models in 2016 supporting efficient operations on key corridors like route 22. Recent deployments emphasize compliance with evolving environmental regulations, including new orders placed in 2023–2025 to meet ultra-low emission zone (ULEZ) standards in cities like , where Gemini 3 hybrids integrate with expanding electric charging infrastructure for seamless fleet transitions. These updates build on the 2014 facelift's enhancements to and emissions, ensuring continued viability in restricted zones. As of 2025, over 1,500 Gemini 3 buses remain active across the , powering high-frequency services such as TfL routes 11 ( to Waterloo) and 24 ( to Victoria), where their double-deck configuration handles peak passenger volumes effectively. Ongoing trends reflect a broader shift toward zero-emission technologies, with operators transitioning select Gemini 3 hybrids to battery-electric configurations to align with TfL's goal of a fully electric bus fleet by 2030, while maintaining the model's proven reliability for interim needs. Although phasing has begun toward the StreetDeck double-decker introduced in 2018 as a direct successor, the — including its revised variant—continues in production for specialized urban applications, with Wrightbus projecting over 1,200 total bus outputs across its range in 2025.

Exports and Variants

The third-generation Wright Eclipse Gemini has been exported primarily to Asian markets, with significant orders from operators. In 2018, (KMB) ordered 150 double-decker buses bodied with the on chassis, marking a major boost for Wrightbus's international sales. An additional 50 tri-axle B8L chassis with bodies followed for KMB in 2019, building on the previous batch and supporting fleet expansion for high-capacity routes. These exports complied with local environmental standards, including Euro VI emissions requirements aligned with 's initiatives to reduce bus fleet pollution through cleaner technologies. Further orders in 2021 included 45 buses for and Japanese operators, valued at £8 million combined. In , the final batches arrived in 2017, comprising a small number of B8L demonstrators with bodywork for testing by , though production remained limited compared to earlier Gemini II models. A notable variant is the open-top Gemini 3, launched in 2016 for sightseeing applications. This configuration features an enclosed upper deck with full-height glazing and a retractable fabric roof for weather protection, adapted for tourist operations. Over 50 units have been produced globally for such uses, with exports including K410EB chassis bodied as open-tops for Hato Bus in , , entering service in 2021 to enhance city tour experiences. These variants incorporate enhanced systems suitable for tropical and humid climates, ensuring passenger comfort during extended outdoor exposure. The has also been adapted for right-hand drive markets in limited quantities during the 2020s, including exploratory integrations with non-Volvo chassis for electric propulsion, though diesel and hybrid variants predominate in exports. By , approximately 500 units of the third-generation model had been exported, reflecting Wrightbus's focus on customized solutions for international operators. In , the type remains active with fleets like , which continues to deploy Gemini 3-bodied buses on urban routes as of 2024.

References

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