John Deere 8640 VS Hart-Parr 12-24 specs comparison
John Deere 8640
General Infos| Make | John Deere |
| Model | 8640 |
| Country | United states |
| Production | From 1979 Until 1982 |
| Price | - |
| Tractor type | Four wheel Drive (4WD) tractor |
| Fuel | diesel |
| Service repair manual | John Deere 8640 Manual |
Dimensions, sizes and tires
| AG front tires | 18.4-34 |
| AG rear tires | 18.4-34 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 28,270 lbs or 12823 kg |
| Length | 223.5 inches [567 cm] |
| Width | - |
| Height | 126.6 inches [321 cm] |
| Wheelbase | 125 inches [317 cm] |
| Ground clearance | 18.4 inches [46 cm] |
| Turning radius | - |
| Rear tread size | 63 to 130 inches |
| Front tread size | 63 to 130 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 619 ci or 10.1 L |
| Cylinders | 6 cylinders |
| Engine power | 275 hp or 205.1 kW |
| Engine RPM | 2100 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 214 gal or 810.0 L |
| Oil capacity | 26 qts or 24.6 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | John Deere 8640 Parts |
| Batteries number | 2 |
| Batteries voltage | 6 V |
| Battries Amps | - |
| Cold Amps | 975 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 90 amps |
| Trans system | John Deere Quad-Range |
| Trans type | partial power shift |
| Trans gears | 16 forward and 6 reverse |
| Clutch system | hydraulic wet disc |
| Wheel drive | 4x4 articulated 4WD |
| Final drive | - |
| Steering | articulated power |
| Braking system | hydraulic wet disc |
| Cabin type | Cab standard |
| Differentiel lock | hydraulic front and rear |
| System | closed center |
| Valves | 2 |
| Pump flow | 33 gpm or 124.9 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 41 gal or 155.2 L |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 203.34 hp or 151.6 kW |
| Fuel consumption | 14.5 gal/hour or 54.9 l/hour |
| Pulling power | 27,782 lbs or 12601 kg |
| Claimed power | 225 hp or 167.8 kW |
| Real power | 228.75 hp or 170.6 kW |
| Engine @RPM | 1000@2100 (rpm) |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 1000 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 14.7 gal/hour or 55.6 l/hour |
| Hitch system | - |
| Rear hitch | III/IIIN |
| Rear hitch lift | 8545 lbs or 3876 kg |
| Front hitch | - |
| Front hitch lift | - |
Hart-Parr 12-24
General Infos| Make | Hart-Parr |
| Model | 12-24 |
| Country | United states |
| Production | From 1924 Until 1930 |
| Price | 1050 USD |
| Tractor type | Standard tread tractor |
| Fuel | gasoline |
| Service repair manual | Hart-Parr 12-24 Manual |
Dimensions, sizes and tires
| AG front tires | 28x5 steel |
| AG rear tires | 46x10 steel |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 4440 lbs or 2013 kg |
| Length | 116 inches [294 cm] |
| Width | 66 inches [167 cm] |
| Height | 56 inches [142 cm] |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | 11 feet [3.4 m] |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 337.6 ci or 5.5 L |
| Cylinders | 2 cylinders |
| Engine power | - |
| Engine RPM | 850 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | gasoline |
| Fuel injection | - |
| Fuel tank size | - |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Hart-Parr 12-24 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 | 12 hp or 8.9 kW |
| Drawbar horsepower | 17.54 hp or 13.1 kW |
| Fuel consumption | - |
| Pulling power | 3,054 lbs or 1385 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
John Deere 8640 Hart-Parr 40
Hart-Parr 12-24 Advance-Rumely OilPull M 20/35
Hart-Parr 12-24 Eagle Manufacturing H 16-30
Hart-Parr 12-24 McCormick-Deering 10-20
Hart-Parr 12-24 Caterpillar 2-Ton
John Deere 8640 Hart-Parr 18-36
Choose another tractor
Useful links and guides ....
- John Deere provided us with the latest version of its 8640 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 8640 farm-tractor here
- Get your Hart-Parr 12-24 manual book version
- Cabine, electrical And mechanical parts for Hart-Parr 12-24 farm-tractor here
