Allis Chalmers HD20 VS Long 445 specs comparison

Allis Chalmers HD20
General InfosMake | 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 | - |

Long 445
General InfosMake | Long |
Model | 445 |
Country | United states |
Production | From 1972 Until 1976 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | Long 445 Manual |
Dimensions, sizes and tires
AG front tires | 7.50-16 |
AG rear tires | 16.9-28 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 4480 lbs or 2032 kg |
Length | - |
Width | - |
Height | - |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | 47.5 to 74.6 inches |
Front tread size | 50.4 to 77.5 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 143 ci or 2.3 L |
Cylinders | 3 cylinders |
Engine power | 45 hp or 33.6 kW |
Engine RPM | 2400 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 14.25 gal or 53.9 L |
Oil capacity | 8.25 qts or 7.8 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Long 445 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | - |
Trans gears | 6 forward and 2 reverse |
Clutch system | 254mm dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | manual |
Braking system | independent 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 | 36.98 hp or 27.6 kW |
Fuel consumption | 3.1 gal/hour or 11.7 l/hour |
Pulling power | 5,910 lbs or 2680 kg |
Claimed power | 41.9 hp or 31.2 kW |
Real power | 36.53 hp or 27.2 kW |
Engine @RPM | 540@1970 (rpm) |
PTO Clutch | - |
Rear PTO | live |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 2.7 gal/hour or 10.2 l/hour |
Hitch system | position and draft control |
Rear hitch | II/I |
Rear hitch lift | 2660 lbs or 1206 kg |
Front hitch | - |
Front hitch lift | - |
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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 Long 445 manual book version
- Cabine, electrical And mechanical parts for Long 445 farm-tractor here