Allis Chalmers HD15 VS John Deere 7520 specs comparison

Allis Chalmers HD15
General InfosMake | Allis Chalmers |
Model | HD15 |
Country | United states |
Production | From 1951 Until 1955 |
Price | - |
Tractor type | Agricultural Crawler tractor |
Fuel | diesel |
Service repair manual | Allis Chalmers HD15 Manual |
Dimensions, sizes and tires
AG front tires | 20-inch tracks |
AG rear tires | 20-inch tracks |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 27850 lbs or 12632 kg |
Length | 181 inches [459 cm] |
Width | 96.75 inches [245 cm] |
Height | 95 inches [241 cm] |
Wheelbase | - |
Ground clearance | 14.375 inches [36 cm] |
Turning radius | - |
Rear tread size | 74 inches |
Front tread size | 74 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 426 ci or 7.0 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 1600 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 91.5 gal or 346.3 L |
Oil capacity | 20 qts or 18.9 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers HD15 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | constant mesh |
Trans type | - |
Trans gears | 6 forward and 3 reverse |
Clutch system | - |
Wheel drive | crawler |
Final drive | - |
Steering | hydraulic steering clutches |
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 | 82 hp or 61.1 kW |
Drawbar horsepower | 104.4 hp or 77.9 kW |
Fuel consumption | - |
Pulling power | 29400 lbs or 13335 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 | - |

John Deere 7520
General InfosMake | John Deere |
Model | 7520 |
Country | United states |
Production | From 1972 Until 1975 |
Price | - |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | John Deere 7520 Manual |
Dimensions, sizes and tires
AG front tires | 23.1-30 |
AG rear tires | 23.1-30 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 22,320 lbs or 10124 kg |
Length | - |
Width | - |
Height | - |
Wheelbase | 120 inches [304 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 531 ci or 8.7 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 110 gal or 416.4 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 7520 Parts |
Batteries number | - |
Batteries voltage | - |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | Syncro-Range Hi-Lo |
Trans type | partially synchronized |
Trans gears | 16 forward and 4 reverse |
Clutch system | - |
Wheel drive | 4x4 articulated 4WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | integral hydraulic wet disc |
Cabin type | Cab standard |
Differentiel lock | - |
System | closed center |
Valves | - |
Pump flow | 21 gpm or 79.5 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 19 gal or 71.9 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | 160 hp or 119.3 kW |
Drawbar horsepower | 160.46 hp or 119.7 kW |
Fuel consumption | 11.7 gal/hour or 44.3 l/hour |
Pulling power | 22,517 lbs or 10213 kg |
Claimed power | 175 hp or 130.5 kW |
Real power | 175.82 hp or 131.1 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | - |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 11.6 gal/hour or 43.9 l/hour |
Hitch system | - |
Rear hitch | - |
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 HD15 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers HD15 farm-tractor here
- Get your John Deere 7520 manual book version
- Cabine, electrical And mechanical parts for John Deere 7520 farm-tractor here