Half-track Car M9A1
| GENERAL DATA | |||
| Other Designation(s) | - |
||
| Type | Reconnaissance/Command Vehicle |
Radio Equipment | ? |
| Manufacturer(s) | White Motor Co.,
Autocar Co. |
||
| Crew | 10 |
Commander, driver, co-driver + troopers | |
| Production Quantity | 3433 |
Date of first acceptance | March 1943 |
| DIMENSIONS | |||
| Combat weight | 9620 kg |
Height over AA MG Mount | 2.74 m |
| Length with roller | 6.15 m |
Length with winch | 6.33 m |
| Width with mine racks | 2.22 m |
Ground clearance | 0.284 m |
| Tread | 1.69 m (front) - 1.62 m (rear) |
Wheelbase | 3.442 m |
| ARMAMENT | |||
| Primary Armament | .50cal (12.7 mm) M2HB MG (1) |
Ammunition Carried | 700 |
| Traverse | Manual |
Elevation | Manual |
| Traverse speed (360°) | - |
Sight | - |
| Secondary Armament | .30cal (7.62 mm) M1919A4 MG (2) |
Ammunition Carried | 7750 |
.45 cal submachine gun (3) |
540 |
||
| grenade (4) |
10 |
||
anti-tank mines (5) |
14 |
||
| Location | 1: Flexible on ring mount M49 -
2: Flexible on pintle mounts- 3/4: inside - 5: side racks |
||
| ARMOR | ||||
| Assembly | Bolting
|
|||
| Armor Detail | Front |
Side |
Rear |
Top/Bottom |
| Body | 7.9 mm / 63° (Radiator
louvres) 15.9 mm / 67° (Windshield cover) |
7.9 mm / 90° |
7.9 mm / 90° |
7.9 mm / 7° (Hood top)
& Open |
| AUTOMOTIVE | |||
| Engine | International Harvester RED-450-B |
Type & Displacement | L6 |
| Horsepower (maximum) | 143 hp at 2700 rpm |
Power/Weight Ratio | 14.86 hp / ton |
| Gearbox | Spicer 3461 constant mesh: 4 forward, 1 reverse |
Steering | Cam and lever, front wheels only |
| Brakes | ? |
Fuel Capacity | 227 L Gasoline (Petrol) |
| SUSPENSION | |||
| Type | Semi-elliptic longitudinal leaf
spring (Front) Vertical volute spring (Rear) |
Road wheels | Steel ventilated disc (Front) 1 bogie/track; 4 dual/bogie (rear) |
| Track return rollers | 1 dual/track |
Sprocket-Wheels | 18-tooth front drive |
| Idler Sprockets | Adjustable fixed at rear of track |
Shock absorbers | On front wheels |
| Track Type | Center guide band type | ||
| Width | 300 mm |
Pitch | 100 mm |
| Links(shoes) | 58 |
Track ground contact | 1.187 m |
| PERFORMANCES | |||
| Maximum Speed | 68 km/h on road |
Range | 320 km on road |
| Mileage | ? L/100 km on road |
Maximum grade | 31° (from horizontal) |
| Trench crossing | 0.76 m |
Vertical obstacles | 0.30 m |
| Maximum fording depth | 0.81 m |
Minimum turning diameter | 18 m |
| Sources | |||
| AFV Database | Vehicles.com | - |
|
Drawings |
File |
