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Volvo B8R
Volvo B8R
Volvo B8R
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Volvo B8R
A Brakar Volvo 9700S UG-bodied B8R 6x2 operated by Nettbuss in Drammen.
Overview
ManufacturerVolvo
Production2013–present
AssemblySweden: Borås
Brazil: Curitiba
Philippines (starting from 3Q 2019)[1]
Vietnam: Chu Lai (Thaco)
Body and chassis
ClassCoach and bus chassis
Floor typeStep entrance
Powertrain
EngineVolvo D8K (Euro VI), D8C (Euro III/V)
Power output250-350 bhp
TransmissionVoith DIWA, ZF EcoLife (automated manual and automatic)
6-speed synchromesh manual
Dimensions
Length10.5-13.6 metres (4x2)
12.2-15.0 metres (6x2)
Chronology
PredecessorVolvo B7R
Volvo B9R
SuccessorVolvo BZR

The Volvo B8R is a 7.7-litre engined coach and intercity bus chassis manufactured by Volvo since 2013 for Euro VI markets. It was designed as a replacement for the B7R and the B9R.[2]

In 2017, Euro III and V versions were launched worldwide with engine outputs at 250 and 330 hp.[1] The 250-hp version is marketed in Brazil as the Volvo B250R.[3]

Throughout Europe the B8R is most commonly available as the Volvo 8900, but can also be found in the Volvo 9500 and some versions of Volvo 9700, and from independent bus builders.

It is also available as a low-entry bus chassis, known as Volvo B8RLE.

In the Philippines, Volvo Buses launched the B8R in August 2018. It is the first B8R in the Philippine market to be imported from Borås, Sweden. The locally assembled B8R (for both automatic and manual transmission variants) bus chassis kits in Subic at the Autodelta plant from the third quarter of 2019.

Powertrain

[edit]

Engines

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D8K,[4] 7698 cc, in-line 6 cyl. turbodiesel (2013–present)

  • D8K280 - 206 kW (280 bhp), 1050 Nm, Euro VI
  • D8K320 - 235 kW (320 bhp), 1200 Nm, Euro VI
  • D8K350 - 258 kW (350 bhp), 1400 Nm, Euro VI

D8C, 7698 cc, in-line 6 cyl. turbodiesel (2017–present)

  • D8C250 - 186 kW (250 bhp), 950 Nm, Euro III/Euro V[3]
  • D8C330 - 246 kW (330 bhp), 1200 Nm, Euro III/Euro V

Transmissions

[edit]

References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

Volvo B8R

View on Grokipedia
from Grokipedia
The Volvo B8R is a versatile coach and bus manufactured by , featuring an 8-liter inline-six D8 engine with power outputs ranging from 280 to 350 horsepower, designed primarily for Euro VI emission standards and suitable for two- or three-axle configurations in low-entry or medium-floor layouts. Introduced in in 2013 as a successor to the bestselling B7R series, it emphasizes , passenger comfort, and lifecycle productivity for short- to medium-haul operations, with permitted gross vehicle weights up to 26,500 kg and lengths spanning 10.1 to 15.0 meters. The supports advanced driveline options including the automated transmission and integrates safety technologies such as forward collision warning with emergency braking, lane keeping support, and , contributing to its reputation for reliability and low operational costs. Globally rolled out starting in 2017, the B8R has been adopted for various bodyworks in markets including , , and , often paired with manufacturers like or MCV for commuter and touring applications. Its electronically controlled , hydraulic retarder, and compatibility with biofuels like HVO further enhance its environmental and performance credentials.

Development

Introduction

The Volvo B8R is a rear-mounted bus designed for coach, intercity, and city bus applications in step-entrance and low-entry configurations, featuring a 7.7-litre inline-six D8 . It was initially introduced in 2013 for Euro VI emission standards in European markets, targeting operators seeking reliable platforms for passenger transport. As a successor to the popular B7R model, the B8R builds on its established reputation while incorporating advancements in driveline and design to enhance overall performance. Its primary applications include medium- to long-distance intercity services and tourist , where it prioritizes through optimized engine management and extended service intervals. The 's versatility is evident in its adaptable configurations, supporting various body styles and axle setups for diverse route demands. In , expanded the B8R's availability globally, introducing Euro III and Euro V compliant variants tailored for emerging markets in regions such as , the , , and . These versions maintain the core emphasis on efficiency and reliability, with production occurring at facilities in and to support local assembly. In specific markets like , the lower-output 250 hp configuration is marketed under the name B250R to align with regional needs.

Production history

The Volvo B8R entered production in 2013 at ' primary manufacturing facility in , , initially targeted at the European market with a focus on Euro VI emission compliance. This rear-engine, two-axle platform replaced earlier models such as the B7R, building on their established production volumes exceeding 40,000 units across 65 countries. The plant, which became fully reliant on by 2020, continues to serve as the core hub for chassis assembly and quality control. In , production expanded to include local assembly at Volvo's facility in , , enabling customized bodybuilding and distribution for Latin American markets. This global rollout coincided with adaptations to meet diverse emission standards, shifting from a Euro VI emphasis to include Euro III and Euro V configurations for regions like , with engine outputs of 250 hp and 330 hp to align with local regulations. Further expansion occurred in the third quarter of 2019 with the introduction of assembly operations in Subic, , at the plant, facilitating Volvo's entry into Southeast Asian markets through CKD kits imported from . Assembly capabilities grew in 2023 through a partnership with THACO in , where production at the facility supports regional distribution of sleeper and variants tailored to local conditions. In 2025, announced the electric BZR as a successor, while production of the B8R remains active across these sites to meet ongoing demand in and coach applications worldwide.

Design

Chassis features

The Volvo B8R features a rear-engine, rear-drive layout designed specifically for coach and bus applications, providing a balanced power delivery and efficient space utilization for passenger compartments. This configuration incorporates a modular frame with a flat-top framework that facilitates high-quality bodywork by coach builders, allowing for flexible integration of various body styles while maintaining structural integrity. Safety is a core aspect of the B8R , with structural protections including Front Impact Protection, Knee Impact Protection, and Front Underrun Protection to mitigate collision forces. All wheels are equipped with disc brakes as part of the Volvo Electronic Braking System (EBS), which includes anti-lock braking (ABS) and Electronic Stability Program (ESP) for enhanced control. The chassis supports integration of active systems such as Collision Warning with and Lane Keeping Support, which help prevent accidents by alerting drivers and intervening when necessary. Volvo Dynamic Steering (VDS), optional on Euro 6 models, employs an to assist the steering mechanism, improving maneuverability during tight turns and reducing driver fatigue over long distances by countering road disturbances. The suspension system utilizes air bellows with electronic controls, including front and rear stabilizers, to ensure stability and a smooth ride across varied road conditions and load scenarios. Fuel infrastructure includes options for diesel tanks with capacities up to 720 liters, optimized for extended intercity routes, while Euro VI compliant models incorporate AdBlue systems with tanks ranging from 30 to 64 liters to reduce emissions through . Weight distribution is engineered for optimal balance in both 2-axle (4x2) configurations, with a gross (GVW) of 19,500 kg, and 3-axle (6x2) setups reaching up to 26,500 kg GVW, ensuring stable handling and compliance.

Dimensions and configurations

The Volvo B8R is available in 4x2 and 6x2 configurations, with the latter incorporating a tag to accommodate longer body lengths and higher payloads. The 4x2 setup is suited for standard and coach applications, while the 6x2 variant supports extended designs for higher capacity operations. Both configurations feature a ladder-type all-steel frame designed for mounting coach bodies, providing flexibility in bodywork integration without compromising structural integrity. Overall chassis lengths range from 10.5 to 13.6 meters for the 4x2 configuration and 12.2 to 15.0 meters for the 6x2 configuration, allowing adaptation to various regional length regulations and passenger demands. The standard width is 2.5 meters, with the frame height from ground to the rear structure measuring 1.618 meters in Euro 6 models, facilitating step-entrance floor heights typically around 1.2 meters for high-floor coach designs. options provide further customization: 5.0 to 7.7 meters for 4x2 setups and 5.0 to 7.4 meters for 6x2, enabling balanced and maneuverability.
ConfigurationGross Vehicle Weight (kg)Front Axle Load (kg)Drive Axle Load (kg)Tag Axle Load (kg)
4x219,5007,500N/A
6x224,750 / 26,5007,50011,500 /
These weight capacities ensure compliance with European standards for highway and urban use.

Powertrain

Engines

The primary engine for the Volvo B8R is the D8K, a 7.7-litre inline-6 diesel unit compliant with Euro VI emission standards. This engine features and is offered in three power variants: 280 hp (209 kW), 320 hp (239 kW), and 350 hp (261 kW), with torque outputs of 1050 Nm, 1200 Nm, and 1400 Nm, respectively. The D8K design emphasizes durability and performance for intercity and coach applications, maintaining consistent power delivery while meeting stringent emissions requirements through integrated (EGR) and (SCR). For regions adhering to Euro III or V standards, the B8R employs the D8C engine, a 7.7-litre inline-6 diesel also with injection, introduced in 2017 to serve global markets including emerging economies. Available in 250 hp (186 kW) with 950 Nm and 330 hp (246 kW) with 1200 Nm configurations, it provides reliable operation using SCR aftertreatment for Euro V compliance. Fuel efficiency in both engine families benefits from optimized combustion processes and Volvo's I-See predictive system, which uses GPS and data to anticipate changes and adjust output for improved over predecessor models. Euro VI-compliant D8K variants incorporate AdBlue/SCR technology to chemically reduce () emissions by injecting solution into the exhaust stream, enabling compliance without excessive fuel penalties. As of 2025, the B8R lineup remains exclusively diesel-powered, with no hybrid or electric options available.

Transmissions

The Volvo B8R offers a range of transmission options designed to balance performance, efficiency, and operational demands in coach and applications. Automatic transmissions predominate, with selections including the series, ZF EcoLife, and , all integrated to support the 's rear-engine layout and axle configurations. A is available for markets prioritizing lower upfront costs. Among automatic options, the D864.6 provides a 4-speed planetary gearbox with a hydrodynamic , featuring a lock-up in higher gears for improved and reduced slippage during cruising. Similarly, the ZF EcoLife series, such as the 6AP1400C model, delivers 6-speed automatic shifting with a lock-up and integrated retarder, enabling progressive downhill control without excessive service brake wear. The AT2412F stands out as a 12-speed , incorporating adaptive shifting algorithms that adjust based on vehicle load, road gradient, and speed to optimize driveline ; it includes an integral retarder for enhanced braking performance. Retarder integration is standard in the Voith and ZF units, providing hydrodynamic braking capacity up to 20% of gross vehicle weight for sustained descents. For cost-sensitive regions, a 6-speed synchromesh , such as the ZF ST1306B, is offered, allowing direct driver control while maintaining compatibility with the B8R's . All transmissions pair with 4x2 and 6x2 setups, utilizing rear axles like the Volvo RS1228C single-reduction unit with ratios typically ranging from 2.25:1 to 2.61:1, optimized for engines in the 250-350 hp range to ensure smooth power delivery and management across urban and highway cycles. These driveline features collectively contribute to lower consumption and extended component life through efficient power transfer and controlled shifting.

Variants

Standard model

The Volvo B8R standard model is a rear-mounted designed for high-floor coaches, available in 4x2 and 6x2 configurations to support vehicle lengths up to 15 meters. This setup provides a robust foundation for and applications, emphasizing durability and efficiency in standard step-entrance designs. The typical powertrain consists of the Volvo D8K 7.7-liter inline-six compliant with Euro VI emissions standards, delivering 320 or 350 horsepower. It is paired with either the automated manual transmission or a ZF automatic transmission, such as the 6AP1400C, to optimize and drivability on long-distance routes. Performance characteristics include a top speed of approximately 100 km/h, making it well-suited for highway intercity operations where consistent speed and low operating costs are essential. This chassis integrates effectively with Volvo's own bodywork, including the 8900, 9500, and 9700 series, which typically accommodate 40 to 50 passengers in comfortable seating arrangements for medium- to long-haul travel. It also supports third-party bodybuilders, as exemplified by the , a popular executive coach body mounted on the B8R for versatile operator needs.

Low-entry model

The Volvo B8RLE serves as the low-entry variant of the B8R , incorporating a suspension system and support for ramp access to improve passenger . Equipped with electronically controlled , the enables the front end to kneel, reducing the entry step for easier boarding, particularly in urban and environments. This partial low-floor design distinguishes it from full models, facilitating smoother passenger movement while retaining robustness for varied routes. It shares the same engine lineup as the standard B8R, including the D8K 7.7-liter diesel options rated from 280 to 350 hp under Euro 6 emissions, paired with a reinforced front ( RFS-L) to manage the altered weight distribution from the lowered front structure. Configurations are available in lengths of 10.1–12.8 m for 2- and 12.3–14.9 m for 3-, commonly bodied as coaches accommodating around 49 seats for travel. In select markets, such as , the model is designated as the B250RLE, featuring a 250 hp Euro V-compliant D8C engine tailored for local urban bus operations. This adaptation supports bodyworks like the Caio Millennium, emphasizing and compliance with regional standards.

Operators

Europe

The Volvo B8R has served as a primary platform in European markets since its introduction in , establishing itself as a versatile option for , regional, and long-haul coach operations across the . Its adoption reflects 's stringent Euro VI emission standards and demand for fuel-efficient, reliable vehicles, with widespread use in both integral Volvo-bodied configurations and third-party bodywork. Major operators in have integrated the B8R into their fleets for diverse services. In , operators including Nettbuss (now operating as Vy Buss) utilize B8R chassis with Volvo 8900 bodywork for regional and intercity routes; Tide Buss AS placed a landmark order of 290 such units in 2018, underscoring the model's scale for 's demanding terrain. In the , National Express employs Volvo B8R chassis fitted with bodywork for national long-haul networks, prioritizing comfort and efficiency on high-volume corridors. Other UK firms, such as Phillips International Travel and Fernhill Travel, have adopted B8R with Panther bodywork for tour and express services, highlighting its adaptability to local preferences. The Euro VI-compliant D8K 350 hp engine, paired with the I-Shift automated transmission, remains the preferred powertrain for long-haul applications in , offering optimized fuel economy and drivability on extended routes. Bodywork options emphasize Volvo's own 9500 and 9700 series, which dominate due to their seamless integration and aerodynamic design tailored for the B8R's dimensions; these integral builds provide up to 53 seats with enhanced passenger amenities. Integrations with bodywork, such as variants of the Enviro series, appear in select urban-intercity setups, though primarily on related low-floor . The low-entry B8RLE variant has received targeted updates for urban and suburban duties, particularly in and , where operators favor its accessibility features for mixed city-regional operations. In , home to Volvo's primary production, and in , regional providers have incorporated B8RLE for efficient integration and low-floor compliance in dense urban environments, supporting Euro VI standards with enhanced safety systems.

Other regions

In , the Volvo B8R, particularly the low-entry B8RLE variant, has gained widespread use among operators transitioning from earlier models like the B7RLE. Transport, part of the fleet, has integrated B8RLE chassis since 2016, with these buses bodied by Optimus and configured for up to 49 seats in city and suburban services, allocated primarily to the Depot. In the , the first Volvo B8R units arrived in as part of the product's regional launch, powered by the 330 hp D8 engine for intercity applications. Local assembly began in the third quarter of 2019 through partnerships with bodybuilders like Coach Builders, enabling customized coach bodies for operators such as and Raymond Transportation, which feature premium seating and enhanced safety for long-haul routes. Brazil markets the B8R primarily as the B250R and B250RLE, equipped with a 250 hp Euro V-compliant D8 for compliance with local emissions standards and optimized for in demanding conditions. These variants are employed by interstate operators for high-volume services between major cities, often bodied by local firms such as Caio for 40- to 44-seat configurations. In , the B8R is assembled locally and integrated with bodies for sleeper and seater coaches suited to regional roads. In , the 9400 B8R model, featuring a 300 hp D8K , has been sold for operations, with the 13.5-meter variant certified for 47- to 49-seat layouts on premium routes like those connecting and . Across and , B8R customizations emphasize the fuel-efficient 330 hp D8C engine for medium-haul duties, paired with adaptations by local bodybuilders such as in , in the , and THACO in to meet specific passenger demands like reclining seats and for tropical climates.

References

  1. https://www.volvobuses.com/en/coaches/chassis/volvo-b8r/specifications.html
  2. https://www.volvobuses.com/content/dam/volvo-buses/markets/master/coaches/chassis/volvo-b8r/specifications/BRO-Volvo-B8R-Eu6-EN-2017.pdf
  3. https://www.volvobuses.com/en/news-stories/press-releases/2017/apr/volvo-buses-launches-the-volvo-b8r-globally.html
  4. https://www.volvobuses.com/en/coaches/chassis/volvo-b8r.html
  5. https://www.volvobuses.com/au/news/2019/mar/volvo-buses-receives-record-order-from-perth-australia.html
  6. https://www3.dicave.com.br/onibus_urbanos/volvo-b250r-b250rle/
  7. https://www.volvobuses.com/nz/news/2020/may/volvo-bus-plant-solely-powered-by-renewable-energy.html
  8. https://www.volvobuses.com/ph/news/2018/aug/volvo-buses-launch-the-new-volvo-b8r-product-range-in-the-philippines.html
  9. https://thacoauto.vn/en/thaco-develops-sleeper-bus-with-volvo-chassis
  10. https://www.volvobuses.com/gb/news-stories/press-releases/2025/may/aftersales-service-drives-new-volvo-buses-order-from-commonwealth-coaches.html
  11. https://cleantechnica.com/2025/10/08/volvo-is-present-at-busworld-2025-but-through-its-proxy-coachbuilders/
  12. https://www.volvobuses.com/content/dam/volvo-buses/markets/united-kingdom/coaches/chassis/volvo-b8r/body-options/b8R-brochure.pdf
  13. https://www.volvobuses.com/content/dam/volvo-buses/markets/australia/brochures/volvo-b8r-brochure/specifications/Data-sheet-B8R-4x2-Euro-6.pdf
  14. https://www.volvobuses.com/content/dam/volvo-buses/markets/master/coaches/chassis/volvo-b8r/specifications/Data-sheet-B8R-4-2-Euro-6-EN-2020.pdf
  15. https://pi.product-bank.com/volvo-b8r-6x2-diesel-intercity-bus
  16. https://www.busnews.com.au/new-volvo-chassis-unleashed/
  17. https://www.91trucks.com/buses/volvo/volvo-b8r
  18. https://issuu.com/primecreativemedia-2016/docs/volvo_chassis_2020
  19. https://www.volvobuses.com/content/dam/volvo-buses/markets/united-kingdom/coaches/chassis/volvo-b8r/body-options/b8r-sunsundegui-sc5-spec.pdf
  20. https://www.volvobuses.com/content/dam/volvo-buses/markets/master/coaches/chassis/volvo-b8r/specifications/Volvo-B8R-Short-Brochure-Euro-6.pdf
  21. https://www.volvobuses.com/content/dam/volvo-buses/markets/united-kingdom/coaches/chassis/volvo-b8r/body-options/b8r-plaxton-leopard-spec.pdf
  22. https://www.volvobuses.com/en/city-and-intercity/chassis/volvo-b8r-le/specifications.html
  23. https://www.busandcoachbuyer.com/volvo-unveils-first-b8rle/
  24. https://www.volvobuses.com/content/dam/volvo-buses/markets/master/city-and-intercity/chassis/volvo-b8r-le1/data-sheet-b8r-low-entry-4-2-euro-6-en-2020.pdf
  25. https://landtransportguru.net/volvo-b8rle/
  26. https://www.volvobuses.com/ar/city-and-intercity/chassis/b250r-b250rle/specifications.html
  27. https://truckandbusbuilder.com/article/2022/09/15/volvo-leads-the-renewal-of-sao-paulos-city-bus-fleet-in-2022
  28. https://www.volvobuses.com/en/news-stories/press-releases/2018/oct/volvo-buses-receives-its-biggest-ever-order-from-norway.html
  29. https://www.showbus.co.uk/gallery/nxco12.htm
  30. https://www.route-one.net/deliveries/phillips-international-travel-continues-plaxton-loyalty-with-panther/
  31. https://www.route-one.net/operators/fernhill-travel-takes-a-volvo-b8r-plaxton-panther/
  32. https://www.alexander-dennis.com/site-content/uploads/2023/06/Enviro400XLB-2023-07.pdf
  33. https://www.volvobuses.com/en/city-and-intercity/chassis/volvo-b8r-le.html
  34. https://www.volvobuses.com/au/news/2021/june/volvo-bus-australia-delivers-882nd-bus-to-brisbane-city-council-under-existing-contract.html
  35. https://www.volvobuses.com/ph/news/2023/oct/revolutionizing-bus-travel-victory-liner-introduces-luxurious-volvo-b8r-royal-class-buses-to-its-fleet.html
  36. https://caminhoes-onibus-sp.nors.com/nossos-produtos/onibus/volvo-b250r-e-b250rle/
  37. https://www.volvobuses.com/in/news/2021/aug/volvo-buses-India-launches-Indias-first-coach.html
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