Allis Chalmers 7040 VS Allis Chalmers HD21 specs comparison

Allis Chalmers 7040
General InfosMake | Allis Chalmers |
Model | 7040 |
Country | United states |
Production | From 1975 Until 1977 |
Price | 24,550 USD |
Tractor type | - |
Fuel | diesel |
Service repair manual | Allis Chalmers 7040 Manual |
Dimensions, sizes and tires
AG front tires | 10.00-16 |
AG rear tires | 20.8-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 11,700 lbs or 5307 kg |
Length | 173.6 inches [440 cm] |
Width | 95.5 inches [242 cm] |
Height | - |
Wheelbase | 106 inches [269 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 64 to 91 inches |
Front tread size | 62 to 88 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 426 ci or 7.0 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2300 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 51 gal or 193.0 L |
Oil capacity | 19 qts or 18.0 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers 7040 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | Power Shift |
Trans type | partial power shift |
Trans gears | 12 forward and 2 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | differential hydraulic wet disc |
Cabin type | Acousta cab standard with heater |
Differentiel lock | power standard |
System | closed center |
Valves | 2 or 3 |
Pump flow | 22 gpm or 83.3 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 24.1 gal or 91.2 L |
Hydraulic pressure | - |
Max flow | 45 gpm or 170.3 lpm |
Drawbar type | - |
Claimed power | 117 hp or 87.2 kW |
Drawbar horsepower | 114.34 hp or 85.3 kW |
Fuel consumption | 8.8 gal/hour or 33.3 l/hour |
Pulling power | 13,547 lbs or 6144 kg |
Claimed power | 136 hp or 101.4 kW |
Real power | 136.15 hp or 101.5 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 | 8.8 gal/hour or 33.3 l/hour |
Hitch system | - |
Rear hitch | III/II |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

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 | - |
Related tractor comparison


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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its 7040 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers 7040 farm-tractor here
- Get your Allis Chalmers HD21 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD21 farm-tractor here