Car, Half-Track, M2A1 | TM 9-2800: Standard Military Motor Vehicles, Technical Manual, U.S. War Department, September 1, 1943 (Lone Sentry)

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[Lone Sentry: World War II Photographs, Documents and Research]

TM 9-2800: Standard Military Motor Vehicles

Technical Manual, U.S. War Department, September 1, 1943

[DISCLAIMER: The following text and illustrations are taken from a WWII U.S. War Department Technical Manual. As with all wartime manuals, the text may be incomplete or inaccurate. No attempt has been made to update or correct the contents of the original technical manual. Any views or opinions expressed do not necessarily represent those of the website.]

CAR, HALF-TRACK, M2A1

Technical Manuals: TM 9-710A, TM 9-1710, TM 9-1710C, TM 9-1711.

Parts List: SNL G-102

Manufacturers: The Autocar Co.; White Motor Co.

Armament: One Gun, machine, cal. .50, HB M2, (flexible); one Gun, machine, cal. .30, M1919A4 (flexible); one Gun, submachine, cal. .45, M1928A1.

Ammunition: 700 rounds, cal. .50; 7,750 rounds, cal. .30; 540 rounds, cal. .45; 14 mines, AT HE, w/ fuze; 10 hand grenades.

[Car, Half-Track, M2A1]
RA PD 308917

Classification: Standard

Purpose: To transport cargo and personnel in combat zone.

[Car, Half-Track, M2A1 Diagram]

GENERAL DATA

Crew 10

Weight Payload—w/ winch (lb) 3100

Payload—w/o winch (lb) 3600

Gross (lb) 18,080

Shipping dimensions w/winch (cu ft) 896 (sq ft) 147

w/o winch (cu ft) 868 (sq ft) 147

Tires—Combat Ply 12 Size 8.25 x 20

Tread, center to center Front (in.) 64 1/2

Track width (in.) 12 1/4

Ground clearance (in.) 11 3/16

Ground pressure, tires (lbs per sq in.) 29.4

Electrical system (volts) 12

Capacities Fuel, 80 octane gasoline (gal) 60

Cooling system (qt) 26

Crankcase (refill) (qt) 12

Brakes Hydraulic (Hydrovac)

Communication Radio

PERFORMANCE

Maximum gradability (percent) 60

Turning radius (ft) Right 30 Left 29 1/2

Fording depth (in.) 32

Maximum vertical obstacle vehicle will climb (in.) 12

Angle of approach (deg) With winch 33 Without winch 37

Angle of departure (deg) 45

Fuel consumption, average conditions (miles per gal) 3.6

Cruising range, average conditions (miles) 220

Maximum allowable speed (mph) 45

1st 2nd 3rd 4th

Cruising speed 9 17 26 45

ENGINE

Manufacturer White Model 160 AX

Type In-line, 4 cycle Number of cylinders 6

Displacement (cu in.) 386

Governed speed Not governed

Brake horsepower 148

Ignition type Battery

ADDITIONAL DATA

Winch capacity (lb) 10,000

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