Allis Chalmers HD21 VS Muir-Hill 171 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 | - |

Muir-Hill 171
General InfosMake | Muir-Hill |
Model | 171 |
Country | England |
Production | From 1975 Until 1984 |
Price | - |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | Muir-Hill 171 Manual |
Dimensions, sizes and tires
AG front tires | 18.4/15x34 |
AG rear tires | 18.4/15x34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 14000 lbs or 6350 kg |
Length | 186.5 inches [473 cm] |
Width | 96.5 inches [245 cm] |
Height | 123.5 inches [313 cm] |
Wheelbase | 86.6 inches [219 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 76 inches |
Front tread size | 76 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 539 ci or 8.8 L |
Cylinders | 8 cylinders |
Engine power | 177 hp or 132.0 kW |
Engine RPM | 2500 (rpm) |
Torque | 410 lb-ft or 556.0 Nm | Torque RPM | 1600 (rpm) |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 84 gal or 317.9 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 24 V |
Parts And Accessories | Muir-Hill 171 Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | 128 amps |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 45 amps |
Trans system | Eaton-Fuller T4510 |
Trans type | gear |
Trans gears | 10 forward and 2 reverse |
Clutch system | 355.6mm dry disc |
Wheel drive | 4x4 4WD |
Final drive | planetary |
Steering | power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard |
Differentiel lock | - |
System | open center |
Valves | - |
Pump flow | 17.5 gpm or 66.2 lpm |
SVC flow | - |
Steering flow | 9.6 gpm or 36.3 lpm |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | 1000@2300 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | position and draft control |
Rear hitch | III/II |
Rear hitch lift | - |
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 Muir-Hill 171 manual book version
- Cabine, electrical And mechanical parts for Muir-Hill 171 farm-tractor here