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Ford GTB
Ford GTB
Ford GTB
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The Ford GTB, commonly called the Burma Jeep, was a 11⁄2-ton 4x4 truck produced during WWII by Ford and was used primarily by the United States military, primarily the US Navy and Marine Corps. The GTB was used primarily in the Pacific Theater during World War II, with many being used on the "Burma Road".[4][5][6]

Key Information

GTBs remained in service after WW II. Some were used during the Korean War (1950-1953). The last units were retired from service as late as 1967.[7]

The GTB's Ordnance Standard nomenclature number was G-622.

Variants

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Ford produced over 15,000 of these low silhouette, short, and maneuverable GTB's in five models, with all except the GTBS having dual rear wheels:[8]

Cab of Ford GTB, Cargo, Low Silhouette
Ford GTB Low Silhouette Cargo U.S.N. #101471
  • GTB truck, Cargo, the basic version with a troop/cargo carrying bed equipped with side mounted folding bench seats,
  • GTBA truck, (US Navy) All navy versions were produced in "Ocean Grey"
  • GTBB truck, Wrecker, (Rare, only 50 produced)
  • GTBS truck, Bomb Service with crane (US Navy)
  • GTBC truck, Bomb Service with crane (USN, improved)

Operators

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United States

Chile (U.S. shipping to protect mining ports)

Ford GTB (Chile)

Notes

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General references

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See also

[edit]
  • Jeffery Quad - a similar but much older vehicle
  • Mazda Pathfinder XV-1, commonly called the Mazda Jeep or the Burmese Jeep, is a 4x4 Mazda built from 1970 to 1973 in an assembly plant in Myanmar strictly for Myanmar market.
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Ford GTB

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from Grokipedia
The Ford GTB, commonly known as the "Burma Jeep," was a 1.5-ton 4×4 cargo truck produced by during primarily for the military. Designed for low-silhouette maneuverability over rough terrain, it featured a short and offset engine placement to accommodate a rear-mounted spare tire, enabling it to carry up to 3,000 pounds of payload in challenging environments like the Pacific Theater. Originally developed for the U.S. Army but primarily adopted by the U.S. Navy and Marine Corps, the vehicle earned its nickname despite limited actual use on the , serving mainly for support in island-hopping campaigns and amphibious operations. Production of the GTB began in June 1942 at Ford's plant and continued until the end of the war in 1945, with approximately 15,000 units manufactured as part of the broader G-622 series. Powered by a Ford G8T flathead inline-six producing 90 horsepower, the utilized a four-speed non-synchronized , a two-speed , and 16-inch wheels with 9.00x16 tires for off-road capability. It had a curb weight of about 7,250 pounds, a 40-gallon fuel capacity requiring 70-octane , and often included a 10,000-pound Braden for recovery operations. Several variants were developed to meet specific military needs, including the base GTB cargo model, GTBA for U.S. use, GTBB wrecker with a crane (only 50 produced), GTBC improved bomb service truck, and GTBS bomb service truck equipped for munitions handling. Painted in "Ocean Gray" for naval applications, these trucks were valued for their durability and versatility in tropical and rugged conditions, though postwar examples are rare due to scrapping and limited civilian conversion. The GTB underscored Ford's significant contributions to Allied during the conflict.

Design and Development

Origins and Requirements

Prior to the ' entry into , the U.S. military faced significant shortages of reliable motorized transport vehicles, particularly four-wheel-drive models capable of navigating the rugged, jungle-covered terrains anticipated in potential Pacific conflicts. This scarcity stemmed from a pre-war reliance on horse-drawn and limited investment in off-road capabilities, prompting an urgent push for versatile 4x4 trucks to support expeditionary forces in amphibious assaults and overland supply routes. In 1941 and 1942, as wartime mobilization accelerated, the U.S. Army Quartermaster Corps issued specific requirements for a 1.5-ton capacity truck with a low to enhance concealment and maneuverability during airfield , maintenance, and in forward areas. These specifications emphasized suitability for amphibious operations, where vehicles needed to ford shallow waters and traverse uneven beachheads while transporting supplies critical to air and naval support. The design prioritized a compact to minimize visibility in zones, directly addressing the demands of Pacific island-hopping campaigns. Ford was selected to develop the GTB over competitors including GMC, Dodge, and Chevrolet, owing to the company's ability to rapidly prototype a viable that aligned with its established truck manufacturing expertise. Although initially developed for the U.S. Army, which expressed reservations about its suitability, the U.S. Navy and Marine Corps championed the project for its alignment with maritime and expeditionary needs, leading to its approval in late 1941. The GTB's initial design drew heavily from Ford's civilian truck platforms, adapting their robust frames and drivetrains for military exigencies such as bomb-handling via rear-mounted cranes in the GTBS variant. This civilian-to-military transition enabled quick iterations to meet wartime demands, focusing on durability for hauling ordnance and products across contested terrains without compromising the vehicle's low-profile attributes.

Engineering and Specifications

The Ford GTB, known as the Burma Jeep, was engineered with a low-silhouette to facilitate concealment in dense environments, meeting U.S. military requirements for operations in the Pacific and China-Burma-India theaters. Its body featured an all-steel for enhanced durability in corrosive, humid conditions, including an enclosed cab accommodating a driver and one passenger with a sideways-facing seat to maintain the compact profile. The 4x4 drivetrain, equipped with dual rear wheels, supported a 1.5-ton (3,000-pound) capacity, enabling transport of bombs, fuel, or other supplies over challenging terrain. An optional front-mounted hydraulic , PTO-driven and rated at 10,000 pounds (5 tons), was available for self-recovery or loading tasks, underscoring the vehicle's emphasis on rugged versatility without specialized armaments. The powertrain centered on a Ford G8T flathead inline-six gasoline engine with a displacement of 226 cubic inches (3.7 liters), delivering 90 horsepower at 3,400 rpm while capable of running on low-octane (70 octane or below) common in wartime logistics. This engine was mated to a 4-speed non-synchronized and a 2-speed (high/low range), providing reliable power distribution to all wheels for off-road mobility. The design prioritized simplicity and maintainability, with the engine's L-head configuration contributing to the overall low hood height of approximately 4.5 feet, further aiding . Key dimensions and performance metrics reflected the GTB's adaptation for and operations, balancing with capability.
CategorySpecificationDetails
DimensionsLength16.4 feet (198 inches)
Width7.3 feet (88 inches)
(to cab top)8.4 feet (100 inches)
(to hood)4.5 feet (54 inches)
110 inches
Ground Clearance25 inches
PerformanceTop Speed45 mph
9
Fording Depth25 inches
Fuel Capacity40 gallons (range ~360 miles)
32 feet
These attributes ensured the base GTB model's effectiveness in traversing muddy trails, steep inclines (up to 42% gradability), and water obstacles without requiring variant-specific modifications.

Production

Manufacturing Process

The manufacturing of the Ford GTB, a 1.5-ton 4x4 designed for rugged , leveraged Ford Motor Company's assembly-line techniques originally developed for production, enabling efficient wartime scaling. Production began in June at the company's Edgewater in , where final vehicle assembly occurred, while key components such as the chassis, body panels, and engine parts were fabricated at the expansive River Rouge complex near , . This distributed approach optimized resource flow and incorporated modular construction to accommodate the GTB's distinctive low-silhouette profile and compact dimensions, which measured approximately 16 feet in . In February 1944, assembly shifted to Ford's Louisville in , to support ongoing demand and logistical needs. Wartime material sourcing presented significant challenges, with steel allocations strictly controlled by the U.S. to prioritize military needs across industries. Ford secured these supplies through priority ratings, using them for the GTB's reinforced frame and cargo bed capable of handling 3,000 pounds. shortages, exacerbated by Japanese control of Southeast Asian plantations, necessitated the widespread adoption of compounds like GR-S (Government Rubber-Styrene) for s, a driven by government-backed at facilities such as the Firestone Tire & Rubber Company's synthetic plant in . The drivetrain integrated a robust 4x4 system with a two-speed , drawing on Ford's pre-war for all-wheel-drive configurations to ensure reliability in off-road conditions. Ford's labor force during played a pivotal role in the GTB's production, with the company employing over 300,000 workers across its facilities by 1944, including a substantial proportion of women—often referred to as "Rosie the Riveters"—who took on assembly, welding, and inspection tasks as male workers entered . At peak efficiency in 1943, Ford's truck lines achieved output rates supporting multiple contracts, though specific daily figures for the GTB varied with demand; the program's total of 15,274 units reflected streamlined processes that addressed initial setup delays. The GTB utilized a 90-horsepower inline-six engine based on Ford's proven flathead design from civilian applications, minimally modified for durability under combat loads. Quality control was enforced through mandatory U.S. Army Ordnance Department inspections at assembly sites, focusing on structural integrity, electrical systems, and environmental resilience to combat corrosion and moisture ingress—critical for the vehicle's primary deployment in the humid Pacific and China-Burma-India theaters. These checks included load-testing the suspension and axles, hydrostatic sealing for , and zinc-based coatings on exposed metal surfaces, ensuring compliance with MIL-STD specifications for tropical operations. Early production runs incorporated iterative fixes to prototype-derived issues, such as enhanced axle housings, based on field trial feedback from initial test units.

Output and Variants Overview

The Ford GTB series achieved a total production of 15,274 units between June 1942 and August 1945, manufactured primarily at Ford's , and facilities as part of the U.S. military's wartime effort. These low-silhouette 4x4 trucks were designed for rugged terrain, with the series encompassing several variants tailored to specific logistical needs across , , and Marine Corps operations. The base GTB model served as the standard 1.5-ton cargo truck, featuring an open-bed configuration equipped with folding troop seats, canvas covers, and an optional front-mounted for general transport. Approximately 6,000 units of this variant were produced, emphasizing versatility in hauling up to 3,000 pounds of supplies over challenging off-road conditions. Introduced from onward, the GTBA represented an iteration optimized for naval use in tropical environments, incorporating adaptations such as enhanced ventilation suited to humid Pacific climates; approximately 2,200 units were built, primarily for U.S. and Marine Corps cargo duties. The GTBS (and sub-variant GTBC) integrated a rear-mounted 3-ton hoist crane and bomb racks for airfield ordnance handling, with production totaling over 7,000 units destined mainly for bases. A rare variant, the GTBB wrecker, featured a crane for recovery operations but lacked a ; only approximately 50 units were produced. Additional specialized configurations included the Mk II fuel truck, fitted with 300-gallon tanks for delivery, and open-bed cargo models allocated to Marine units for amphibious support roles. Following the war's end, surplus GTB units were demilitarized—removing military-specific equipment like winches and markings—and released for civilian sale, with many repurposed for agricultural or utility work into the era.

Operational History

Pacific Theater Deployment

The Ford GTB, primarily operated by the U.S. and Marine Corps, saw extensive deployment in the Pacific Theater starting from , supporting the island-hopping campaigns through logistics on captured coral airfields such as those on and Saipan. These vehicles were instrumental in transporting s, fuel, and essential supplies to forward positions, enabling rapid rearming of and reducing reliance on manual handling. Equipped with a rear-mounted bomb hoist capable of handling up to 1,000-pound ordnance, the GTB facilitated efficient delivery of 500-pound bombs to dispersed airfields, streamlining operations amid the theater's dispersed island bases. Adaptations for amphibious operations were critical to the GTB's role in beach assaults and naval logistics. Featuring partial and 25 inches of water clearance, the trucks could ford shallow coastal waters during landings, while a front-mounted 10,000-pound assisted in self-recovery and unloading cargo directly from Landing Ship Tanks (LSTs) onto beaches. This configuration allowed GTBs to transition quickly from sea to shore, supporting immediate supply distribution in contested environments like those encountered post-Guadalcanal. Operational challenges in the Pacific's varied terrain tested the GTB's durability. In muddy conditions prevalent in areas like , the vehicles experienced frequent bogging down, contributing to mechanical strain and operational downtime. High and exacerbated engine overheating, requiring constant to prevent failures during extended hauls. Additionally, the open-cab design and lack of armor left GTBs vulnerable to Japanese artillery and fire on exposed airfields, heightening risks for drivers and crews. Despite these hurdles, the GTB made notable contributions to Pacific air operations. By hauling ordnance and to forward positions, it supported sustained carrier strikes, cutting manual labor requirements for bomb handling by enabling mechanized loading that boosted efficiency in high-tempo environments. This logistical backbone proved vital in maintaining the momentum of Allied advances across the theater's isolated atolls and islands.

China-Burma-India Theater Role

The Ford GTB was deployed to the China-Burma-India (CBI) Theater starting in 1943, where it played a logistical role in supply efforts, including support for constructing and operating the , a vital overland supply route from Ledo, , to , . Construction of the began in December 1942, with GTBs contributing to supply transport once initial sections were navigable starting in 1943; the full 465-mile road opened in January 1945. U.S. Army units, including engineers and Air Forces personnel, utilized the GTB to transport fuel, spare parts, and other essentials needed to sustain C-47 Skytrain transport operations across the , supplementing the perilous "Hump" airlift efforts. This deployment addressed the urgent need for ground-based resupply after Japanese forces severed the original in 1942. In the CBI supply chains, GTBs ferried up to 3,000-pound loads along monsoon-flooded and rugged roads in India and , directly supporting the 14th Air Force's operations against Japanese positions. These vehicles hauled critical cargo, including and munitions, through extreme conditions such as temperatures exceeding 100°F and near-constant high humidity, contributing to the delivery of approximately 129,000 tons of supplies to via the by the end of the war in 1945. Their 4x4 proved reliable in these environments, allowing traversal of steep gradients and flooded paths that standard trucks could not handle. While designed for the Burma Road, GTBs saw limited verified use in Burma proper due to dense jungle terrain and ongoing combat; primary operations occurred in and . Troops affectionately nicknamed the GTB the "Burma Jeep" for its compact, rugged design reminiscent of the Willys but scaled for heavier duties, a moniker originating from its intended use on the . The nickname persisted among CBI personnel for the vehicle's endurance in the theater's demanding logistics. Overall, the GTB's contributions in the CBI emphasized its value in overland over direct combat.

Service and Legacy

Primary Operators

The Ford GTB served as a critical for several branches of the during , with primary operations centered on construction, supply transport, and airfield support in challenging terrains. Of the total production of 15,274 units, allocations favored the and Marine Corps for Pacific operations, while the Army received approximately 6,000 for the China-Burma-India theater. The was the largest operator, assigning thousands of GTB units to Seabees battalions and ground crews within Pacific fleet support squadrons for tasks such as building, base establishment, and handling. Navy-specific variants like the GTBS and GTBC service trucks, with orders totaling 2,300 units, were integral to support roles. These assignments underscored the GTB's role in enabling rapid development across island-hopping campaigns. The US Marine Corps integrated GTB trucks into logistics battalions of the 1st through 6th Marine Divisions, employing them for airfield setup and supply distribution during key 1944-1945 operations at and Okinawa, where their low-profile design facilitated maneuverability in rugged, combat-adjacent environments. GTB trucks supported amphibious assaults by enhancing rapid engineering capabilities. The US Army utilized GTB trucks primarily through Quartermaster units in the China-Burma-India theater, including depots supporting the 10th Air Force for cargo hauling along routes like the . These assignments, totaling approximately 6,000 units, emphasized the vehicle's utility in jungle and mountain logistics despite limited overall adoption relative to other branches. GTB units were typically delivered to operational theaters via Liberty ships, ensuring bulk transport across the Pacific and Indian Oceans, while operators received maintenance training at facilities like Camp Lejeune to standardize repair and field servicing procedures for Navy and Marine personnel.

Preservation and Modern Recognition

Following , many Ford GTB vehicles were declared surplus and transitioned to civilian ownership, where they were adapted for agricultural tasks such as farming and hauling, as well as off-road applications like and due to their robust 4x4 capabilities and low silhouette design. These conversions often involved removing military-specific equipment, such as racks or winches, to suit practical postwar needs in rural areas. Only a small number of Ford GTB trucks survive today, with production totaling 15,274 units during the war, and far fewer remaining in operable or restorable condition worldwide due to postwar attrition and environmental exposure. At least 13 examples are documented across private collections and museums, including restored variants like a 1943 GTBS bomb service truck by the Spooner Military Vehicle Preservation Group and a 1943 GTB preserved in original US Navy Ocean Gray paint. Key institutional restorations include the Estrella Warbirds Museum's 1943 Ford GTBA, donated in 1998 and fully refurbished in 2008-2009 with brake overhauls, new upholstery, tires, and a complete paint job funded by the McGillivray Family, and another at the National Naval Aviation Museum. Additional survivors are held at sites like the Overloon War Museum in the Netherlands and the National Museum of Military Vehicles in Wyoming. Preservation efforts face significant challenges, primarily the scarcity of original components for the Ford G8T flathead 6-cylinder and specialized 4x4 , compounded by the vehicle's niche wartime role which limited parts commonality with civilian Fords. Restorations often require custom fabrication for items like fenders and battery covers, driving up costs and time; for instance, comprehensive projects can exceed tens of thousands of dollars due to sourcing period-correct materials and addressing from decades of storage. The Ford GTB's cultural legacy endures through its inclusion in WWII military vehicle registries and media portrayals, earning recognition as the "Burma Jeep" for its rugged service in challenging theaters. It has appeared in films such as (1951) and episodes of (1966-1973), highlighting its historical authenticity without reliance on modern replicas. Annual events organized by the Military Vehicle Preservation Association (MVPA) further celebrate its heritage, with notable displays like Arlon Anklam's 1943 Ford GTB earning a Motor Pool Gold award at the 2025 MVPA Convention in , where enthusiasts showcase restored examples to honor its engineering innovation.

References

  1. https://www.militarytrader.com/military-vehicles/a-great-little-workhorse
  2. https://www.ewarbirds.org/vehicles/1943fordgtb.shtml
  3. https://silodrome.com/ford-burma-jeep/
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  5. https://www.militarytrader.com/burmajeeps-were-there-any-in-burma
  6. https://www.militaryfactory.com/armor/detail.php?armor_id=630
  7. http://www.robertsarmory.com/burma-jeep.html
  8. https://www.cafmn.org/1942-ford-burma-1-12-ton-truck.html
  9. https://www.militarytrader.com/military-vehicles/gallery-gtb
  10. https://www.silodrome.com/ford-burma-jeep/
  11. https://usautoindustryworldwartwo.com/Ford/forddatabase.htm
  12. https://militaeraktuell.at/en/the-ford-gtb-went-everywhere-but-burma/
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  16. https://revivaler.com/ford-burma-jeep/
  17. https://www.militarytrader.com/militaria-collectibles/life-after-wwii-civilian-use-of-surplus-trucks
  18. https://www.reddit.com/r/Firefighting/comments/kutfey/a_1943_ford_gtb_bomb_carrier_repurposed_as_a_fire/
  19. https://commons.wikimedia.org/wiki/Category:Ford_GTB_in_the_Overloon_War_Museum
  20. https://447bg.org/tanks-vehicles/ford-gtb-burma-jeep/
  21. https://www.steelsoldiers.com/threads/burma-jeep-ford-gtb-g622.24297/page-2
  22. https://www.hagerty.com/media/buying-and-selling/before-you-dive-into-a-restoration-read-this/
  23. https://www.imcdb.org/vehicles_make-Ford_model-GTB.html
  24. https://www.militarytrader.com/familiar-turf-mvpa-2025-convention-returns-to-louisville
  25. https://www.facebook.com/photo.php?fbid=1077329207847018&id=100067098453358&set=a.412255627687716
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