Oliver 770 VS Hart-Parr 28-44 specs comparison
Oliver 770
General Infos| Make | Oliver |
| Model | 770 |
| Country | United states |
| Production | From 1958 Until 1967 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | gasoline |
| Service repair manual | Oliver 770 Manual |
Dimensions, sizes and tires
| AG front tires | 6.00-16 |
| AG rear tires | 15.5-38 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 5500 lbs or 2494 kg |
| Length | - |
| Width | - |
| Height | - |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 216.5 ci or 3.5 L |
| Cylinders | 6 cylinders |
| Engine power | - |
| Engine RPM | 1750 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | gasoline |
| Fuel injection | - |
| Fuel tank size | 20.3 gal or 76.8 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Oliver 770 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | positive |
| Charging system | generator |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | Power-Booster |
| Trans type | sliding gear |
| Trans gears | 12 forward and 4 reverse |
| Clutch system | dry disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | manual |
| Braking system | disc |
| 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 | 44.38 hp or 33.1 kW |
| Fuel consumption | - |
| Pulling power | 7,137 lbs or 3237 kg |
| Claimed power | 47 hp or 35.0 kW |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | - |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | I/II |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Hart-Parr 28-44
General Infos| Make | Hart-Parr |
| Model | 28-44 |
| Country | United states |
| Production | From 1930 Until 1937 |
| Price | - |
| Tractor type | Standard tread tractor |
| Fuel | kerosene |
| Service repair manual | Hart-Parr 28-44 Manual |
Dimensions, sizes and tires
| AG front tires | - |
| AG rear tires | - |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 6,415 lbs or 2909 kg |
| Length | - |
| Width | - |
| Height | - |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 443 ci or 7.3 L |
| Cylinders | 4 cylinders |
| Engine power | - |
| Engine RPM | 1125 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | kerosene |
| Fuel injection | - |
| Fuel tank size | - |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Hart-Parr 28-44 Parts |
| Batteries number | - |
| Batteries voltage | - |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | gear |
| Trans gears | 3 forward and 1 reverse |
| Clutch system | - |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | manual |
| 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 | 22 hp or 16.4 kW |
| Drawbar horsepower | 34.21 hp or 25.5 kW |
| Fuel consumption | - |
| Pulling power | 5,116 lbs or 2320 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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Oliver 770 McCormick-Deering W-30
Hart-Parr 28-44 McCormick-Deering TA-40
Oliver 770 Advance-Rumely OilPull W 20/30
Choose another tractor
Useful links and guides ....
- Oliver provided us with the latest version of its 770 service repair manual
- Find All mechanical and electrical parts and accessories of Oliver 770 farm-tractor here
- Get your Hart-Parr 28-44 manual book version
- Cabine, electrical And mechanical parts for Hart-Parr 28-44 farm-tractor here
