M9 Half Tracks:

 

M9A1 Half Tracks:

Manufactured by International Harvester Co.

International Harvester version for towing guns.1 Similar to the M2A1. Had rear access door. 3,433 built.

  M9 M9A1
Crew    
Physical Characteristics    
Weight 19,000 lb 21,200 lb
Length w/gun    
Length w/o gun    
Height 7' 7" 9' 0:
Width    
Width over tracks    
Ground clearance    
Ground contact length    
Ground pressure    
Turret ring diameter    
Armament    
Main    
Secondary    
MG    
Side arms    
Quantity    
Main    
Secondary    
MG    
Side arms    
Armor Thickness (mm)    
Hull Front, Upper    
Hull Front, Lower    
Hull Sides, Upper    
Hull Sides, Lower    
Hull Rear    
Hull Top    
Hull Bottom    
Turret Front    
Turret Sides    
Turret Rear    
Turret Top    
Engine (Make / Model)    
Bore / stroke    
Cooling    
Cylinders    
Capacity    
Net HP    
Power to weight ratio    
Compression ratio    
Transmission (Type)    
Steering    
Steering ratio    
Starter    
Electrical system    
Ignition    
Fuel (Type)    
Octane    
Quantity    
Road consumption    
Cross country consumption    
Performance    
Traverse    
Max speed    
Cross country speed    
Road radius    
Cross country radius    
Turning radius    
Elevation limits    
Fording depth    
Trench crossing    
Vertical obstacle    
Climbing ability    
Suspension (Type)    
Wheels each side    
Return rollers each side    
Tracks (Type)    
Length    
Width    
Diameter    
Number of links    
Pitch    
Tire tread    
Track centers/tread    
Production    

Sources:

  1. The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
  2. British and American Tanks of World War Two, The Complete Illustrated History of British, American, and Commonwealth Tanks 1933-1945, Peter Chamberlain and Chris Ellis, 1969
  3. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
  4. Jane's World War II Tanks and Fighting Vehicles The Complete Guide, Leland Ness, 2002
  5. Tank Data 2, Aberdeen Proving Grounds Series, E. J. Hoffschmidt and W. H. Tantum IV, 1969
  6. M3 Infantry Half-Track 1940-73, Steven J. Zaloga, 1994
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