Allis Chalmers HD7W VS McCormick-Deering W-4 specs comparison
Allis Chalmers HD7W
General Infos| Make | Allis Chalmers |
| Model | HD7W |
| Country | United states |
| Production | From 1940 Until 1950 |
| Price | - |
| Tractor type | Agricultural Crawler tractor |
| Fuel | diesel |
| Service repair manual | Allis Chalmers HD7W Manual |
Dimensions, sizes and tires
| AG front tires | tracks |
| AG rear tires | tracks |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 14,000 lbs or 6350 kg |
| Length | 128 inches [325 cm] |
| Width | 81 inches [205 cm] |
| Height | 69 inches [175 cm] |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 213 ci or 3.5 L |
| Cylinders | 3 cylinders |
| Engine power | - |
| Engine RPM | 1500 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 31 gal or 117.3 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Allis Chalmers HD7W Parts |
| Batteries number | 2 |
| Batteries voltage | 6 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | sliding gear |
| Trans gears | 4 forward and 1 reverse |
| Clutch system | - |
| Wheel drive | crawler |
| Final drive | - |
| Steering | - |
| Braking system | - |
| Cabin type | - |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | 45 hp or 33.6 kW |
| Drawbar horsepower | 57.31 hp or 42.7 kW |
| Fuel consumption | - |
| Pulling power | 12,171 lbs or 5520 kg |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | - |
| Rear PTO RPM | - |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | - |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
McCormick-Deering W-4
General Infos| Make | McCormick-Deering |
| Model | W-4 |
| Country | United states |
| Production | From 1939 Until 1952 |
| Price | 1,900 USD |
| Tractor type | Standard tread tractor |
| Fuel | distillate |
| Service repair manual | McCormick-Deering W-4 Manual |
Dimensions, sizes and tires
| AG front tires | 22-inch steel |
| AG rear tires | 40-inch steel |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 4,219 lbs or 1913 kg |
| Length | 114 inches [289 cm] |
| Width | 65.25 inches [165 cm] |
| Height | - |
| Wheelbase | 66.75 inches [169 cm] |
| Ground clearance | - |
| Turning radius | 11 feet [3.4 m] |
| Rear tread size | 52 inches |
| Front tread size | 45.875 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 152.1 ci or 2.5 L |
| Cylinders | 4 cylinders |
| Engine power | - |
| Engine RPM | 1650 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | distillate |
| Fuel injection | - |
| Fuel tank size | 17.5 gal or 66.2 L |
| Oil capacity | 6 qts or 5.7 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 6 V |
| Parts And Accessories | McCormick-Deering W-4 Parts |
| Batteries number | 1 |
| Batteries voltage | 6 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | positive |
| Charging system | generator |
| Charging Volts | - |
| Charging Amps | 11 amps |
| Trans system | - |
| Trans type | sliding gear |
| Trans gears | 5 forward and 1 reverse |
| Clutch system | dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | manual |
| Braking system | differential mechanical external contracting band |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | 17 hp or 12.7 kW |
| Drawbar horsepower | 23.97 hp or 17.9 kW |
| Fuel consumption | - |
| Pulling power | 3,671 lbs or 1665 kg |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | transmission |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | - |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its HD7W service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers HD7W farm-tractor here
- Get your McCormick-Deering W-4 manual book version
- Cabine, electrical And mechanical parts for McCormick-Deering W-4 farm-tractor here
