John Deere 8650 VS Allis Chalmers HD21 specs comparison
John Deere 8650
General Infos| Make | John Deere |
| Model | 8650 |
| Country | United states |
| Production | From 1982 Until 1988 |
| Price | 95,000 USD |
| Tractor type | Four wheel Drive (4WD) tractor |
| Fuel | diesel |
| Service repair manual | John Deere 8650 Manual |
Dimensions, sizes and tires
| AG front tires | 20.8-34 |
| AG rear tires | 20.8-34 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 29,320 lbs or 13299 kg |
| Length | 223.5 inches [567 cm] |
| Width | - |
| Height | - |
| Wheelbase | 125 inches [317 cm] |
| Ground clearance | - |
| Turning radius | 17.8 feet [5.4 m] |
| Rear tread size | 66 to 129 inches |
| Front tread size | 66 to 129 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 619 ci or 10.1 L |
| Cylinders | 6 cylinders |
| Engine power | 290 hp or 216.3 kW |
| Engine RPM | 2100 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 214 gal or 810.0 L |
| Oil capacity | 28 qts or 26.5 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | John Deere 8650 Parts |
| Batteries number | 2 |
| Batteries voltage | 6 V |
| Battries Amps | - |
| Cold Amps | 975 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 110 amps |
| Trans system | Quad-Range |
| Trans type | partial power shift |
| Trans gears | 16 forward and 6 reverse |
| Clutch system | Perma-Clutch hydraulic wet discs |
| Wheel drive | 4x4 articulated 4WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | hydraulic wet disc |
| Cabin type | Sound-Gard cab with air-conditioning |
| Differentiel lock | - |
| System | closed center constant-pressure |
| Valves | 2 to 4 |
| Pump flow | 32 gpm or 121.1 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 37.5 gal or 141.9 L |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 219.93 hp or 164.0 kW |
| Fuel consumption | 15.4 gal/hour or 58.3 l/hour |
| Pulling power | 28,257 lbs or 12817 kg |
| Claimed power | 235 hp or 175.2 kW |
| Real power | 238.56 hp or 177.9 kW |
| Engine @RPM | - |
| PTO Clutch | hydraulic wet disc |
| Rear PTO | independent |
| Rear PTO RPM | 1000 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 15.4 gal/hour or 58.3 l/hour |
| Hitch system | lower-link |
| Rear hitch | 3/3N |
| Rear hitch lift | 9,260 lbs or 4200 kg |
| Front hitch | - |
| Front hitch lift | - |
Allis Chalmers HD21
General Infos| Make | Allis Chalmers |
| Model | HD21 |
| Country | United states |
| Production | From 1954 Until 1965 |
| Price | - |
| Tractor type | Agricultural Crawler tractor |
| Fuel | diesel |
| Service repair manual | Allis Chalmers HD21 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 | 45500 lbs or 20638 kg |
| Length | 198 inches [502 cm] |
| Width | - |
| Height | 99 inches [251 cm] |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 844 ci or 13.8 L |
| Cylinders | 6 cylinders |
| Engine power | 225 hp or 167.8 kW |
| Engine RPM | 1800 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 135 gal or 511.0 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 24 V |
| Parts And Accessories | Allis Chalmers HD21 Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | torque converter |
| Trans gears | 2 forward and 1 reverse |
| Clutch system | - |
| Wheel drive | crawler |
| Final drive | - |
| Steering | - |
| Braking system | 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 | - |
| Drawbar horsepower | 135.12 hp or 100.8 kW |
| Fuel consumption | - |
| Pulling power | 40563 lbs or 18399 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
Allis Chalmers HD21 ATC Terratrac 200
John Deere 8650 Allis Chalmers HD9
John Deere 8650 John Deere 620
Allis Chalmers HD21 J.I. Case 500
Allis Chalmers HD21 Holder Cultitrac A12
John Deere 8650 International Harvester Cub Lo-Boy
Choose another tractor
Useful links and guides ....
- John Deere provided us with the latest version of its 8650 service repair manual
- Find All mechanical and electrical parts and accessories of John Deere 8650 farm-tractor here
- Get your Allis Chalmers HD21 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD21 farm-tractor here
