Today in WW II: 11 May 1939 Japanese begin attempt to seize Mongolian land to the banks of the Khalkin Gol River at Nomonhan, clashing with Soviet troops. More 
11 May 1940 Belgian fortress Eben Emael, on the Meuse River, reputed to be the most formidable stronghold in the world, falls to German Army glider assault.
11 May 1940 Luxembourg falls to the German army.
11 May 1940 On the night of 11-12 May, 1940 the Royal Air Force [RAF] attacked Mönchengladbach, Germany, the first Allied air raid on Germany of WW II.
11 May 1943 American troops invade Attu in the Aleutian Islands, beginning campaign to expel occupying Japanese forces [11-29 May].
11 May 1944 Allied Fifth and Eighth Armies launch long-awaited offensive, finally capturing Cassino and breaking the German Gustav Line [night of 11-12 May].
Visit the Olive-Drab.com World War II Timeline for day-by-day events 1939-1945! See also WW2 Books.

Chassis, Truck, 3/4 Ton 4x4, M56 (G-741)

The M56 Chassis is a member of the M-37 Dodge 3/4 ton 4x4 Truck Family (G-741).

The Chassis, Truck, 3/4 Ton 4x4, M56 was produced in three variants:

  • M56, with and without winch, were used to build crash trucks for USAF (Model R-2) and US Navy (Model MB-2). About 650 manufactured.
  • M56B1, production of the M56 with M37B1 modifications.
  • M56C, modified M56B1 with heavier suspension, used for Davey CMU-3 and CMU-5 Compressor Truck and other heavy-duty maintenance vehicles and variations.

All of the M56 variants have a wheelbase of 126 inches, same as the M43 Ambulance and the V41 Telephone Maintenance truck.

Federal Stock Numbers for the M56 Chassis variants are:

  • Chassis, Truck, 3/4 Ton 4x4 M56 FSN 2320-294-4942
  • Chassis, Truck, 3/4 Ton 4x4 M56 w/winch FSN 2320-835-8618
  • Chassis, Truck, 3/4 Ton 4x4 M56C w/winch FSN 2320-219-7329
  • Chassis, Truck, 3/4 Ton 4x4 M56B1 w/winch FSN 2320-542-4633

Chassis, Truck, 3/4 Ton 4x4, M53 (G-741)

In addition to the M56 chassis group, the M53 and M53B1 chassis trucks were produced as a light military truck platform. The distinction is that the M53 and M53B1 had a wheelbase of 112 inches.

The M53B1 chassis was used for the XM708 Dump Truck and the XM711 Wrecker as well as other applications.

Chassis, Truck, 3/4 Ton 4x4, M56 (G-741)
Chassis, Truck, 3/4 Ton 4x4, M56 (G-741).

M56C chassis with Davey CMU-3 Compressor Truck equipment mounted
M56C chassis with Davey CMU-3 Compressor Truck equipment mounted.

M56C chassis with Davey CMU-5 Welder/Generator Truck equipment mounted.  Photo courtesy John Eickhof
M56C chassis with Davey CMU-5 Welder/Generator Truck equipment mounted. Photo courtesy John Eickhof.

Rear view, M56C chassis with Davey CMU-5 Welder/Generator Truck equipment mounted.  Photo courtesy John Eickhof
Rear view, M56C chassis with Davey CMU-5 Welder/Generator Truck equipment mounted. Photo courtesy John Eickhof.

Rear view, open, M56C chassis with Davey CMU-5 Welder/Generator Truck equipment mounted.  Photo courtesy John Eickhof
Rear view, open, M56C chassis with Davey CMU-5 Welder/Generator Truck equipment mounted. Photo courtesy John Eickhof.

Side view, M56C chassis with Davey CMU-5 Welder/Generator Truck equipment mounted.  Photo courtesy John Eickhof
Side view, M56C chassis with Davey CMU-5 Welder/Generator Truck equipment mounted. Photo courtesy John Eickhof.