Allis Chalmers HD21 VS CaseIH 7120 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 | - |

CaseIH 7120
General InfosMake | CaseIH |
Model | 7120 |
Country | United states |
Production | From 1987 Until 1993 |
Price | 76,000 USD |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | CaseIH 7120 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 | 15,920 lbs or 7221 kg |
Length | 191 inches [485 cm] (2WD) |
Width | - |
Height | 118.2 inches [300 cm] (2WD) |
Wheelbase | 118.3 inches [300 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 60 to 125 inches |
Front tread size | 60 to 86 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 504.5 ci or 8.3 L |
Cylinders | 6 cylinders 12 valves |
Engine power | - |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 78 gal or 295.2 L |
Oil capacity | 21 qts or 19.9 L |
Oil change | 250 h |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | CaseIH 7120 Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 950 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 110 amps |
Trans system | - |
Trans type | full power shift |
Trans gears | 18 forward and 4 reverse |
Clutch system | hydraulic wet disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | differential hydraulic wet disc |
Cabin type | Silent Guardian II Cab standard with air-conditioning |
Differentiel lock | - |
System | closed center pressure flow compensated |
Valves | 2 to 4 |
Pump flow | 22 gpm or 83.3 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 50.5 gal or 191.1 L |
Hydraulic pressure | 2600 psi or 179.3 bar |
Max flow | 29 gpm or 109.8 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 135.55 hp or 101.1 kW |
Fuel consumption | 8.5 gal/hour or 32.2 l/hour |
Pulling power | 19,538 lbs or 8862 kg |
Claimed power | 150 hp or 111.9 kW |
Real power | 151.62 hp or 113.1 kW |
Engine @RPM | 1000@2200 (rpm) |
PTO Clutch | wet disc |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 9.0 gal/hour or 34.1 l/hour |
Hitch system | electronic lower link |
Rear hitch | III/IIIN |
Rear hitch lift | 8,300 lbs or 3764 kg |
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 CaseIH 7120 manual book version
- Cabine, electrical And mechanical parts for CaseIH 7120 farm-tractor here