Allis Chalmers HD20 VS Massey-Harris 44 Special specs comparison
Allis Chalmers HD20
General Infos| Make | Allis Chalmers |
| Model | HD20 |
| Country | United states |
| Production | From 1951 Until 1954 |
| Price | - |
| Tractor type | Agricultural Crawler tractor |
| Fuel | diesel |
| Service repair manual | Allis Chalmers HD20 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 | 41000 lbs or 18597 kg |
| Length | 191 inches [485 cm] |
| Width | - |
| Height | 95 inches [241 cm] |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 660 ci or 10.8 L |
| Cylinders | 6 cylinders |
| Engine power | 175 hp or 130.5 kW |
| Engine RPM | 1700 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 120 gal or 454.2 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 24 V |
| Parts And Accessories | Allis Chalmers HD20 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 | - |
| 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 | 117 hp or 87.2 kW |
| Drawbar horsepower | 116.7 hp or 87.0 kW |
| Fuel consumption | - |
| Pulling power | 30,464 lbs or 13818 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 | - |
Massey-Harris 44 Special
General Infos| Make | Massey-Harris |
| Model | 44 Special |
| Country | United states |
| Production | From 1953 Until 1955 |
| Price | - |
| Tractor type | Row Crop tractor |
| Fuel | gasoline |
| Service repair manual | Massey-Harris 44 Special Manual |
Dimensions, sizes and tires
| AG front tires | 6.50x16 |
| AG rear tires | 11-38 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | - |
| Length | 135.3 inches [343 cm] |
| Width | 79 inches [200 cm] |
| Height | 80 inches [203 cm] |
| Wheelbase | 88 inches [223 cm] |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 259.4 ci or 4.3 L |
| Cylinders | 4 cylinders |
| Engine power | 40 hp or 29.8 kW |
| Engine RPM | 1350 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | gasoline |
| Fuel injection | Zenith 1.25" carburetor |
| Fuel tank size | 23 gal or 87.1 L |
| Oil capacity | 8 qts or 7.6 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Massey-Harris 44 Special Parts |
| Batteries number | - |
| Batteries voltage | - |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | unsynchronized gear |
| Trans gears | 5 forward and 1 reverse |
| Clutch system | 11-inch dry disc |
| Wheel drive | - |
| Final drive | - |
| Steering | manual worm-and-sector |
| Braking system | differential mechanical drum |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 1.75 gal or 6.6 L |
| Hydraulic pressure | 1050 psi or 72.4 bar |
| Max flow | 7.5 gpm or 28.4 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 43.58 hp or 32.5 kW |
| Fuel consumption | - |
| Pulling power | 5,341 lbs or 2422 kg |
| Claimed power | - |
| Real power | - |
| Engine @RPM | 534@1350 (rpm) |
| PTO Clutch | - |
| Rear PTO | live |
| Rear PTO RPM | 534 (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
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Massey-Harris 44 Special Massey-Harris 50
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Massey-Harris 44 Special Massey-Harris 33
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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its HD20 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers HD20 farm-tractor here
- Get your Massey-Harris 44 Special manual book version
- Cabine, electrical And mechanical parts for Massey-Harris 44 Special farm-tractor here
