Allis Chalmers HD21 VS Versatile 256 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 | - |

Versatile 256
General InfosMake | Versatile |
Model | 256 |
Country | Canada |
Production | From 1984 Until 1985 |
Price | 41,000 USD |
Tractor type | - |
Fuel | diesel |
Service repair manual | Versatile 256 Manual |
Dimensions, sizes and tires
AG front tires | 13.6x28 |
AG rear tires | 13.6x28 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 8,700 lbs or 3946 kg |
Length | - |
Width | - |
Height | 112 inches [284 cm] |
Wheelbase | 86 inches [218 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 239 ci or 3.9 L |
Cylinders | 4 cylinders |
Engine power | 100 hp or 74.6 kW |
Engine RPM | 2500 (rpm) |
Torque | 250 lb-ft or 339.0 Nm | Torque RPM | 1600 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 39 gal or 147.6 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | - |
Parts And Accessories | Versatile 256 Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 580 |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | hydrostatic |
Trans gears | infinite (3-range) forward and reverse |
Clutch system | - |
Wheel drive | 4x4 articulated 4WD |
Final drive | - |
Steering | power |
Braking system | - |
Cabin type | Cab with heat and A/C |
Differentiel lock | - |
System | closed center |
Valves | 3 |
Pump flow | 18 gpm or 68.1 lpm |
SVC flow | - |
Steering flow | 5 gpm or 18.9 lpm |
Tank capacity | 8.5 gal or 32.2 L |
Hydraulic pressure | 2800 psi or 193.1 bar |
Max flow | 23 gpm or 87.1 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 84 hp or 62.6 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | 2/1 |
Rear hitch lift | 4400 lbs or 1995 kg |
Front hitch | - |
Front hitch lift | - |
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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 Versatile 256 manual book version
- Cabine, electrical And mechanical parts for Versatile 256 farm-tractor here