Allis Chalmers HD21 VS John Deere 8570 specs comparison

Allis Chalmers HD21
General InfosMake | 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 | - |

John Deere 8570
General InfosMake | John Deere |
Model | 8570 |
Country | United states |
Production | From 1993 Until 1996 |
Price | 96,000 USD |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | John Deere 8570 Manual |
Dimensions, sizes and tires
AG front tires | 24.5R-32 |
AG rear tires | 24.5R-32 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 32,100 lbs or 14560 kg |
Length | 268.9 inches [683 cm] |
Width | - |
Height | - |
Wheelbase | 134 inches [340 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 466 ci or 7.6 L |
Cylinders | 6 cylinders |
Engine power | 250 hp or 186.4 kW |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 220 gal or 832.7 L |
Oil capacity | 24.3 qts or 23.0 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 8570 Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 925 |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | PowrSync |
Trans type | two-speed power shift |
Trans gears | 24 forward and 6 reverse |
Clutch system | hydraulic wet disc |
Wheel drive | 4x4 articulated 4WD |
Final drive | inboard planetary |
Steering | hydrostatic power |
Braking system | hydraulic wet discs |
Cabin type | Sound-Gard cab standard |
Differentiel lock | - |
System | closed center pressure compensated |
Valves | 3 to 5 |
Pump flow | 44.8 gpm or 169.6 lpm |
SVC flow | 33.3 gpm or 126.0 lpm |
Steering flow | - |
Tank capacity | 38 gal or 143.8 L |
Hydraulic pressure | 2530 psi or 174.4 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 191.59 hp or 142.9 kW |
Fuel consumption | 11.8 gal/hour or 44.7 l/hour |
Pulling power | 31,924 lbs or 14480 kg |
Claimed power | 205 hp or 152.9 kW |
Real power | 230.84 hp or 172.1 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 | 12.5 gal/hour or 47.3 l/hour |
Hitch system | draft sensing |
Rear hitch | 3 |
Rear hitch lift | 14,980 lbs or 6794 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


John Deere 8570 CaseIH 7230


John Deere 8570 John Deere 8200


Allis Chalmers HD21 New Holland 5030


Allis Chalmers HD21 John Deere 6506


John Deere 8570 Kubota GL-600


John Deere 8570 Ursus 1134
Choose another tractor
Useful links and guides ....
- Allis Chalmers provided us with the latest version of its HD21 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers HD21 farm-tractor here
- Get your John Deere 8570 manual book version
- Cabine, electrical And mechanical parts for John Deere 8570 farm-tractor here