Allis Chalmers HD7W
3-Point Hitch
| Rear type | - |
|---|---|
| Control | - |
| Rear lift | - |
| Front hitch | - |
| Front lift | - |
Power Take-off (PTO):
| Rear PTO | - |
|---|---|
| Clutch | - |
| Rear RPM | - |
| Front PTO | - |
| Engine RPM | - |
Capacity
| Fuel | 31 gal [117.3 L] |
|---|
Dimensions & Tires
| Wheelbase | - |
|---|---|
| Weight | 14,000 lbs [6350 kg] |
| Front tire | tracks |
| Rear tire | tracks |
Allis Chalmers HD7W Power:
| Engine gross | - |
|---|---|
| Engine max | - |
Mechanical
| Chassis | crawler |
|---|---|
| Differential lock | - |
| Steering | - |
| Brakes | - |
| Trailer brakes | - |
| Cab | - |
Hydraulics
| Type | - |
|---|---|
| Rear valves | - |
| Mid valves | - |
| Pump flow | - |
| SCV flow | - |
| Total flow | - |
Electrical
| Ground | - |
|---|---|
| Charging system | - |
| Charging amps | - |
| Charging volts | - |
Battery
| Number | 2 |
|---|---|
| Cold-cranking amps | - |
| Volts | 6 |
Engine Detail
| General Motors 3-71 blower diesel 3-cylinder liquid-cooled 2-cycle vertical I-head 213 ci [3.5 L] |
Engine specifications
| Bore/Stroke | 4.25x5.00 inches [108 x 127 mm] |
|---|---|
| Emissions | - |
| Emission control | - |
| Rated Power | - |
| Maximum Power | - |
| Air cleaner | oil bath |
| Pre-heating | - |
| Compression | - |
| Fuel system | - |
| Rated RPM | 1500 |
| Operating RPM | - |
| Torque | - |
| Torque RPM | - |
| Starter | - |
| Starter volts | 12 |
| Oil capacity | - |
| Oil change | - |
| Coolant capacity | 23 qts [21.8 L] |
| Type | 1940 - 1950 |
|---|---|
| Gears | 4 forward and 1 reverse |
| Clutch | - |
| Speeds |
| Type | sliding gear |
|---|---|
| Gears | - |
| Clutch | - |
| Speeds | - |
Allis Chalmers HD7W Tires
| Ag front | 1940 - 1950 |
|---|---|
| Ag rear | tracks |
| Standard tires (ag) | - |
Dimensions
| Weight (operating) | 14,000 lbs [6350 kg] |
|---|---|
| Weight (max capacity) | - |
| Front axle load | - |
| Rear axle load | - |
| Wheelbase | - |
| Length | 128 inches [325 cm] |
| With hitch Length: | - |
| Width | 81 inches [205 cm] |
| Height (hood) | - |
| Height (cab) | - |
| Front axle | - |
| Rear axle | - |
| Height (exhaust) | - |
| Clearance (front axle) | - |
| Clearance (rear axle) | - |
| Clearance (drawbar) | - |
Test name
| Test Date | 1940 - 1950 |
|---|---|
| Test Type | Diesel 4-speed crawler |
| PTO power (max) | - |
| PTO fuel use (max) | - |
| PTO power (rated engine speed) | - |
| PTO fuel use (engine speed) | - |
| PTO fuel use (PTO speed) | - |
| Drawbar power (max) | 57.31 hp [42.7 kW] |
| Drawbar fuel use (max) | - |
| Drawbar pull (max) | 12,171 lbs [5520 kg] |
| Max pull gear | 1 |
Test name
| Test Date | October 15 - 21, 1940 |
|---|---|
| Test Type | - |
| PTO power (max) | - |
| PTO fuel use (max) | - |
| PTO power (rated engine speed) | - |
| PTO fuel use (engine speed) | - |
| PTO fuel use (PTO speed) | - |
| Drawbar power (max) | - |
| Drawbar fuel use (max) | - |
| Drawbar pull (max) | - |
| Max pull gear | - |