Allis Chalmers HD21 VS Fiat M135 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 | - |
Fiat M135
General Infos| Make | Fiat |
| Model | M135 |
| Country | Italy |
| Production | From 1996 Until 1999 |
| Price | 56,000 USD |
| Tractor type | - |
| Fuel | diesel |
| Service repair manual | Fiat M135 Manual |
Dimensions, sizes and tires
| AG front tires | 11.00-16 |
| AG rear tires | 18.4R3 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 11,836 lbs or 5368 kg |
| Length | 180 inches [457 cm] (2WD) |
| Width | 84 inches [213 cm] (min) |
| Height | 111.5 inches [283 cm] |
| Wheelbase | 108.3 inches [275 cm] (2WD) |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 60.2 to 87.9 inches |
| Front tread size | 60.7 to 86.1 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 456 ci or 7.5 L |
| Cylinders | 6 cylinders |
| Engine power | 135 hp or 100.7 kW |
| Engine RPM | 2200 (rpm) |
| Torque | - | Torque RPM | 1400 (rpm) |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 85 gal or 321.7 L |
| Oil capacity | 20.8 qts or 19.7 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Fiat M135 Parts |
| Batteries number | 2 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | 900 |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 70 amps |
| Trans system | Range Command |
| Trans type | partial power shift |
| Trans gears | 18 forward and 6 reverse |
| Clutch system | wet disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | hydrostatic power |
| Braking system | differential hydraulic wet disc |
| Cabin type | Two-post ROPS |
| Differentiel lock | Rear (2WD) or front and rear (4WD) with push-button operation |
| System | closed center load sensing |
| Valves | 2 to 4 |
| Pump flow | 26 gpm or 98.4 lpm |
| SVC flow | - |
| Steering flow | 16.4 gpm or 62.1 lpm |
| Tank capacity | 23.7 gal or 89.7 L |
| Hydraulic pressure | 2755 psi or 190.0 bar |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 100 hp or 74.6 kW |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 115 hp or 85.8 kW |
| Real power | 119 hp or 88.7 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| 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/III |
| Rear hitch lift | 12,000 lbs or 5443 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 Fiat M135 manual book version
- Cabine, electrical And mechanical parts for Fiat M135 farm-tractor here