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Chevrolet G4100/G7100 series (G506)
Chevrolet G506 Truck.jpg
Chevrolet 1 12-ton cargo truck
Type 1 12 ton (1,361kg) 4x4 truck
Place of origin  United States
Production history
Manufacturer Chevrolet
Produced 1940-1945
Number built 168,603
Variants (See text)
Specifications (Cargo with winch[1])
Weight 8,215 lb (3,726 kg) empty
11,935 lb (5,414 kg) loaded
Length 224 in (5.69 m)
Width 86 in (2.18 m)
Height 106 12 in (2.71 m)

Engine Chevrolet BV1001 235
83 hp (62 kW)
Transmission 4 spd. x 2 range trf. case
Suspension Beam axles on leaf springs
Fuel capacity 30 US gal (110 l)
270 mi (434.5 km)
Speed 48 mph (77 km/h)

The Chevrolet G506 trucks were a series of 1 12-ton trucks used by the U.S. Army during and after World War II.


The G506 was a U.S Army Ordnance Corps supply catalog designation for the 1 12-ton, 4X4, truck chassis built in large numbers by the Chevrolet Motor Division of GM.

During World War II, The U.S. sent 151,053 1 12-ton trucks of the G506 type to Russia as part of the Lend Lease program. Russian supply capability improved dramatically in the spring and summer of 1943, mainly as the result of the American trucks that were arriving in large numbers.[2]


Engine and driveline[edit]

The G506 used a Chevrolet BV-1001-UP 235 cu in (3.9 L) I6 OHV gasoline engine, producing 83 hp (62 kW) at 3100rpm and 184 lbf·ft (249 N·m) at 1000 rpm. This is a smaller version of the GMC engine used in the CCKW.

All models had a 4 speed manual non-synchronized transmission and a two speed transfer case.[3][4][5]


The G506 had a ladder frame with two beam axles on semi-elliptic leaf springs. GM banjo type axles were used, these axles were also be used in later CCKWs. There were three wheelbases, 125 in (318 cm) extra short wheelbase (XSWB) used only on the G7128 Bomb servicer, 145 in (368 cm) short wheelbase (SWB), and the 175 in (444 cm) long wheelbase (LWB). All models had hydraulic brakes with vacuum boost, 7.50-20” tires and dual rear tires.[3][4][5]


Almost all G506s had a closed Chevrolet cab, except for three models. A panel van version was built for the signal corps, an open cab was used on Bomb servicers and a cab over engine type was used for long bodied cargo trucks.[3][4][5]


K-51 panel van, 1943, for SCR-299
  • Model G4103 Book Symbol YK - Stake and Platform COE, K-33 Truck
  • Model G4112 Book Symbol YQ - truck cargo, LWB, 4X4,
  • Model G4163 Book Symbol ZP - truck cargo, W/Winch, 4X4,
  • Model G4174 Book Symbol ZQ - truck cargo, LWB, 4X4,
  • Model G7103 Book Symbol NE - Cab
  • Model G7105 Book Symbol NG - Panel Body, see also K-51, and K-70 van
  • Model G7106 Book Symbol NH - Dump Body, Less Winch
  • Model G7107 Book Symbol NJ - Cargo Body, Less Winch
  • Model G7113 Book Symbol NK - Cab (Tractor)
  • Model G7116 Book Symbol NL - Dump Body, With Winch
  • Model G7117 Book Symbol NM - Cargo Body, With Winch
  • Model G7127 Book Symbol NP - truck cargo, LWB
  • Model G7128 Book Symbol NQ - M6 Bomb service truck G35
  • Model G7132 Book Symbol NN - Stake and Platform COE, K-54 Truck
  • Model G7163 Book Symbol NR - Telephone Body, With Earth Borer, see also K-44 truck
Pole setter
  • Model G7173 Book Symbol NS - Telephone Maintenance Body, see also K-43 truck
K-33 / K-54 truck, 1943, (the K-54 has a longer bed) both hauled antenna sections for the SCR-270 radar
Army Air Force versions
Turret trainers
  • E5 Turret Trainer
  • J3 field lighting truck
  • J4 field lighting truck
  • J5 field lighting truck
  • fire truck, class 135, fog and foam

See also[edit]


  1. ^ "TM-9-805 1 12 ton 4x4 Truck (Chevrolet)". US War Dept. 30 Dec 1943. Retrieved 19 Dec 2014. 
  2. ^ Dunn, Walter Dunn (1995). "The Soviet economy and the Red Army, 1930–1945". Greenwood Publishing Group. Retrieved 27 May 2014. 
  3. ^ a b c Crismon, Fred W (2001). US Military Wheeled Vehicles (3 ed.). Victory WWII Pub. pp. 260–263. ISBN 0-970056-71-0. 
  4. ^ a b c Doyle, David (2003). Standard catalog of U.S. Military Vehicles. Kraus Publications. p. 122-124. ISBN 0-87349-508-X. 
  5. ^ a b c Ware, Pat (2010). The World Encyclopedia of Military Vehicles. Lorenz Books. p. 227. ISBN 0-7548-2052-1. 

External links[edit]

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Chevrolet_G506_trucks — Please support Wikipedia.
This page uses Creative Commons Licensed content from Wikipedia. A portion of the proceeds from advertising on Digplanet goes to supporting Wikipedia.
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