/Vehicles/Allies/USA/08-Halftracks/Data/M3A1-75mmGMC.htm | Up-dated:

 

75 mm (Half-track) Gun Motor Carriage M3A1

GENERAL DATA
-
Tank Destroyer
?
Autocar Co., Diamond T Motor Car Co.

6

  • Gun commander in rear
  • Gunner in rear
  • Driver in cab left
  • Assistant driver in cab right
  • Loaders in rear (2)
1360 converted to M3A1 personnel carriers
August 1941

 

DIMENSIONS
9071 kg
2.50 m
6.23 m
2.08 m
1.962 m
0.284 m
1.64 m (front) - 1.62 m (rear)
3.442 m

 

ARMAMENT
75mm Gun M1897A4 (1)
59
40° (19° left and 21° right)
+29° to -10° (Manual)
Manual
-
.30cal (7.62 mm) M1919A4 MG (2)
?
4 x M1 Carabines (3)
?
grenade (4)
22
1: Mount M2A3, rear - 2: Flexible on pintle mount - 3/4: inside

 

ARMOR
Bolting
6.4 mm / 66° (Radiator louvres)
13 mm / 65° (Windshield cover)
6.4 mm / 90°
6.4 mm / 90°
6.4 mm / 7° (Hood top) & Open
15.9 mm / 78°
6.4 mm / 90°
Open
6.4 mm / 7°

 

AUTOMOTIVE
White 160AX
L6
147 hp at 3000 rpm
16.20 hp / ton
Spicer 3461 constant mesh:
4 forward, 1 reverse
Cam and lever, front wheels only
?
227 L Gasoline (Petrol)

 

SUSPENSION
Semi-elliptic longitudinal leaf spring (Front)
Vertical volute spring (Rear)
Steel ventilated disc (Front)
1 bogie/track; 4 dual/bogie (rear)
1 dual/track
18-tooth front drive
Adjustable fixed at rear of track
On front wheels
Center guide band type
300 mm
100 mm
58
1.187 m

 

PERFORMANCES
72 km/h on road
280 km on road
? L/100 km on road
31° (from horizontal)
0.76 m
0.30 m
0.81 m
18 m

 

Sources
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File

 

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Halftracks

 


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