Allis Chalmers HD21 VS McCormick Intl C90 Max specs comparison
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 | - |
McCormick Intl C90 Max
General Infos| Make | McCormick Intl |
| Model | C90 Max |
| Country | United states |
| Production | From 2007 |
| Price | - |
| Tractor type | Utility tractor |
| Fuel | diesel |
| Service repair manual | McCormick Intl C90 Max Manual |
Dimensions, sizes and tires
| AG front tires | 11.2-24 |
| AG rear tires | 16.9-30 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 7341 lbs or 3329 kg |
| Length | 162.8 inches [413 cm] |
| Width | 76.6 inches [194 cm] |
| Height | 99.1 inches [251 cm] |
| Wheelbase | 91.2 inches [231 cm] |
| Ground clearance | 16.7 inches [42 cm] |
| Turning radius | - |
| Rear tread size | 59.7 to 79.1 inches |
| Front tread size | 63.3 to 76.9 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 268.5 ci or 4.4 L |
| Cylinders | 4 cylinders |
| Engine power | 83 hp or 61.9 kW |
| Engine RPM | - |
| Torque | 254.5 lb-ft or 345.1 Nm | Torque RPM | 1400 (rpm) |
| Fuel type | diesel |
| Fuel injection | direct injection |
| Fuel tank size | 27 gal or 102.2 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | McCormick Intl C90 Max Parts |
| Batteries number | - |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | power shuttle |
| Trans gears | 24 forward and 12 reverse |
| Clutch system | wet disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | power |
| Braking system | wet disc |
| Cabin type | Two-post folding ROPS |
| Differentiel lock | electro-hydraulic front and rear |
| System | - |
| Valves | 2 to 4 |
| Pump flow | 13.8 gpm or 52.2 lpm |
| SVC flow | - |
| Steering flow | 7.9 gpm or 29.9 lpm |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | 21.7 gpm or 82.1 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 70.5 hp or 52.6 kW |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | mechanical dry disc |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | II |
| Rear hitch lift | 5732 lbs or 2600 kg |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
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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 McCormick Intl C90 Max manual book version
- Cabine, electrical And mechanical parts for McCormick Intl C90 Max farm-tractor here
