Allis Chalmers HD3 VS Caterpillar Seventy-Five specs comparison
Allis Chalmers HD3
General Infos| Make | Allis Chalmers |
| Model | HD3 |
| Country | United states |
| Production | From 1960 Until 1968 |
| Price | - |
| Tractor type | - |
| Fuel | diesel |
| Service repair manual | Allis Chalmers HD3 Manual |
Dimensions, sizes and tires
| AG front tires | 7-inch track |
| AG rear tires | 7-inch track |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 7645 lbs or 3467 kg |
| Length | 108.75 inches [276 cm] |
| Width | - |
| Height | - |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 48 inches |
| Front tread size | 48 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 175 ci or 2.9 L |
| Cylinders | 4 cylinders |
| Engine power | - |
| Engine RPM | 1650 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | Roosa-Master injection |
| Fuel tank size | 14 gal or 53.0 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | Allis Chalmers HD3 Parts |
| Batteries number | 2 |
| Batteries voltage | 6 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | Power Director |
| Trans type | mechanical shuttle |
| Trans gears | 4 forward and reverse |
| Clutch system | wet disc (Power Director) |
| Wheel drive | crawler |
| Final drive | - |
| Steering | mechanical clutches |
| Braking system | mechanical contracting band |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | open center |
| Valves | 1 to 3 |
| Pump flow | 15 gpm or 56.8 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 16.5 gal or 62.5 L |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 26.17 hp or 19.5 kW |
| Fuel consumption | 2.6 gal/hour or 9.8 l/hour |
| Pulling power | 8207 lbs or 3722 kg |
| Claimed power | - |
| Real power | 32.53 hp or 24.3 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | optional |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 2.6 gal/hour or 9.8 l/hour |
| Hitch system | - |
| Rear hitch | - |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Caterpillar Seventy-Five
General Infos| Make | Caterpillar |
| Model | Seventy-Five |
| Country | United states |
| Production | From 1933 Until 1935 |
| Price | - |
| Tractor type | Agricultural Crawler tractor |
| Fuel | diesel |
| Service repair manual | Caterpillar Seventy-Five Manual |
Dimensions, sizes and tires
| AG front tires | 18-inch tracks |
| AG rear tires | 18-inch tracks |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 31,557 lbs or 14314 kg |
| Length | 183 inches [464 cm] |
| Width | 103.75 inches [263 cm] |
| Height | - |
| Wheelbase | - |
| Ground clearance | 10.5 inches [26 cm] |
| Turning radius | - |
| Rear tread size | 78 inches |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 1039 ci or 17.0 L |
| Cylinders | 6 cylinders |
| Engine power | - |
| Engine RPM | 820 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 90 gal or 340.7 L |
| Oil capacity | 28 qts or 26.5 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Caterpillar Seventy-Five Parts |
| Batteries number | - |
| Batteries voltage | - |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | gear |
| Trans gears | 6 forward and 2 reverse |
| Clutch system | dry |
| Wheel drive | crawler |
| Final drive | - |
| Steering | manual clutch |
| Braking system | - |
| 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 | - |
| Drawbar horsepower | 80.57 hp or 60.1 kW |
| Fuel consumption | - |
| Pulling power | 18,697 lbs or 8480 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 | - |
Related tractor comparison
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Choose another tractor
Useful links and guides ....
- Allis Chalmers provided us with the latest version of its HD3 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers HD3 farm-tractor here
- Get your Caterpillar Seventy-Five manual book version
- Cabine, electrical And mechanical parts for Caterpillar Seventy-Five farm-tractor here
