Specifications for the
M18 Gun Motor Carriage (Hellcat)
Tank Destroyer / Gun Motor Carriage
Country of Origin: United States
Manufacturer: General Motors Company / Buick - USA
Initial Year of Service: 1943
Production Total: 2,507
Focus Model: M18 GMC Gun Motor Carriage
Overall Length: 21.82 ft (6.65 m)
Width: 9.42 ft (2.87 m)
Height: 8.46 ft (2.58 m)
Weight: 41.4 US Short Tons (37,557 kg; 82,799 lb)
Powerplant: 1 x Continental R-975 C-series radial engine developing 340- to 400-horsepower.
Maximum Speed: 55 mph (88.5 km/h)
Maximum Range: 105 miles (169 km)
NBC Protection: None
1 x 76mm main gun (M1A1 or M1A2)
1 x 12.7mm Browning M2HB heavy machine gun
45 x 76mm projectiles
800 x 12.7mm ammunition
T49 GMC - Initial Prototype; 57mm main gun; torsion bar suspension system.
T67 GMC - Second Prototype; 75mm main gun
T70 GMC - Third Prototype; 76.2mm main gun
M18 GMC "Hellcat" - Base Series Production Designation.
M39 - High-speed APC or supply carrier platform based on the T41 turret-less design; 650 examples produced.
T41 - Turret-less M6 anti-tank gun carrier / troop carrier.
T41E1 - Fast Reconnaissance Vehicle based on the T41 turret-less design.
Heavy Artillery Tractor - Proposed Variant
Mobile Command and Communications Post Vehicle - Proposed Variant.
T65 Flame Tank - Flamethrower conversion model; revised upper hull for incorporation of flame projector.
T88 Howitzer Motor Carriage - Experimental 105mm howitzer platform; never produced.
90mm CMGC - Cannon Motor Gun Carriage fitting 90mm main gun; never produced.
T86 - Proposed Amphibious Howitzer Tank; track propelled.
T86E1 - Proposed Amphibious Howitzer Tank; propellers used for propulsion.
T87 - Proposed Amphibious Howitzer Tank; 105mm T12 gun; track propelled.
Serbia; Taiwan; United States; West Germany; Yugoslavia