Chevrolet G506 Explained

Chevrolet G506 truck
Origin:United States
Type:-ton 4x4 truck
Is Vehicle:yes
Manufacturer:Pontiac West Assembly, Yellow Coach/GM Truck and Coach
Production Date:1940–45
Number:154,204 [1]
Spec Label:Cargo with winch
Weight:8215lb (empty)
Length:224inches
Width:86inches
Height:107inches
Engine:Chevrolet BV1001 235
Engine Power:83hp
Transmission:4 speed X 2 range
Suspension:Live beam axles on leaf springs
Vehicle Range:2701NaN1
Speed:48mph

The G-506 trucks, -ton, 4x4, produced as the Chevrolet G7100 (and originally G4100) models, were a series of (light) medium four wheel drive trucks used by the United States Army and its allies during and after World War II. This series came in standard cargo, as well as many specialist type bodies.

History

The G506 was a United States Army Ordnance Corps supply catalog designation for the -ton, 4X4, truck chassis built in large numbers by the Chevrolet Motor Division of GM. Their official model numbers were initially the "G4100", and later the "G7100" series.[2] They became standard -ton 4x4 trucks for the US Army and Army Air Corps during World War II.[2]

During World War II, the US military purchased a total of 167,373 four by four 1-ton trucks, and Chevrolet supplied the great majority of them.[3] According to the 1946 revision of the U.S. military's Summary Report of Acceptances, Tank-Automotive Materiel, Dodge (Fargo) – the initial standard supplier of U.S. -ton 4x4 trucks – contributed 6,762 VF model, G-621 series trucks in 1940;[4] and Ford (Marmon-Herrington) and Diamond T supplied another 6,271 and 136 units respectively,[5] leaving 154,204 Chevrolet trucks.

However, some 47,700 of the G7107 and G7117 model trucks were shipped to the Soviet Union as part of the Lend-Lease program.[6] The Soviet Red Army's logistics/transport capabilities improved dramatically in the spring and summer of 1943 largely as a result of the steady supply of American-made trucks (such as Studebaker US6s and the Chevrolet G506s) for the USSR.

Specifications

Engine and driveline

The G506 used a Chevrolet BV-1001-UP, a 2351NaN1overhead valve inline-six cylinder gasoline engine developing 83hp at 3,100 rpm and 184lbfft of torque at 1,000 rpm. This is a smaller version of the engine used in the GMC CCKW.

All models had a four-speed manual non-synchronized transmission and a two-speed transfer case.

Chassis

The G506 had a ladder frame with two live beam axles on semi-elliptic leaf springs. GM banjo type axles were used, these axles were also used in later GMC CCKW ton (2,268kg) trucks. There were three wheelbases, 1250NaN0 extra short wheelbase used only on the G7128 Bomb servicer, 1450NaN0 short wheelbase (a majority of production[2]), and the 1750NaN0 long wheelbase. All models had hydraulic brakes with vacuum boost, 7.50-20" tires and dual rear tires.

Body

Almost all G-506s had closed Chevrolet cabs, shared with the closed cab versions of the GMC CCKW – except for three models. A panel van version was built for the Army Signal Corps, open cabs were used on bomb servicers and cab over engine types were used for long-bodied cargo trucks. The pilot models had flat top panels of the front fender, but production trucks had arches over at the fender crowns.[2]

Versions

Army Air Force versions

See also

References

External links

Notes and References

  1. of which 814 cargo trucks without/winch branded as YT & CMC (p.67)
  2. Crismon, Fred (1994): U.S. Military Wheeled Vehicles. Motorbooks International, Crestline Series,, p.258-260
  3. Book: Hyde, Charles K. . 2013 . Arsenal of Democracy: The American Automobile Industry in World . Wayne State University Press . 152–154 . 9780814339527 . HydeArsfn .
  4. Three ambulances (p.66), 5369 cargo trucks without winch + 1000 cargo with/winch (p.67), and 390 dump trucks wo/w (p.69)
  5. Diamond T – 136 M6 bomb service trucks (p.66)
    Ford (Marmon-Herrington) – 219 M6 bomb service trucks (p.66), 6000 GTB 'Burma jeep' cargo wo/winch (p.67), seven K-44 earth borer/pole setters (p.69), 45 pickups and 17 K-42 / K-43 Telephone/maintenance trucks (p.70)
  6. Book: Sokolov, Mikhail. AvtoNashestvie na SSSR. Trofieynye i lendlizovskiye avtomobili. 2011. Yauza / EKSMO. Moscow. 978-5-699-45024-4. ru. 475. .

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