[Lone Sentry: WWII Photographs, Documents and Research]
©2010
 
[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, M9A1

Technical Manuals: TM 9-707, TM 9-1707A

Parts List: SNL G-147

Manufacturer: International Harvester Co.

Armament: One Gun, machine, cal. .50, M2; one Gun, machine, cal. .30, 1919A4; one Gun, submachine, cal. .45.

Ammunition: 7,750 rounds, cal. .30; 700 rounds, cal. .50; 540 rounds, cal. .45; 10 hand grenades; 14 Mines AT, HE, M1 w/fuze.

[Car, Half-Track, M9A1]
RA PD 308922

Classification: Substitute standard

Purpose: Used to transport cargo and personnel in combat zone.

[U.S. WW2 Half-Track, M9A1 Dimensions Diagram]

GENERAL DATA
Crew  10
WeightPayload—w/ winch(lb) 3,000
 Payload—w/o winch(lb) 3,500
 Gross(lb) 19,050
Shipping dimensionsw/winch (cu ft) (sq ft)
 w/o winch (cu ft) (sq ft)
Tires—CombatPly 12Size 9.00 x 20
Tread, center to center  Front(in.)66 1/2
Track width(in.)12 1/4
Ground clearance(in.) 11 3/16
Ground pressure, tires(lbs per sq in.)
Electrical system(volts)12
CapacitiesFuel, 80 octane gasoline(gal)60
 Cooling system(qt)31
 Crankcase (refill)(qt)10 1/2
BrakesHydraulic (Hydrovac)
CommunicationRadio
 
PERFORMANCE
Maximum gradability(percent)60
Turning radius (ft)Right 28Left 30
Fording depth(in.)32
Maximum vertical obstacle vehicle will climb(in.)12
Angle of approach (deg)w/ winch 36w/o winch 40
Angle of departure(deg)32
Fuel consumption, average conditions(miles per gal)3.6
Cruising range, average conditions(miles)220
Maximum allowable speed(mph)42
Number of speeds forward4
 
ENGINE
ManufacturerIHCModel Red-450B
TypeIn-line, 4 cycleNumber of cylinders6
Displacement(cu in.)451
Governed speed(rpm)2,600
Brake horsepower 141
Ignition typeBattery
 
ADDITIONAL DATA
Winch capacity(lb) 10,000

[Back to Table of Contents] Back to Table of Contents
 

  
 
LONE SENTRY | Home Page | Site Map | What's New | Search | Contact Us