Allis Chalmers HD21 VS John Deere 7505 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 | - |

John Deere 7505
General InfosMake | John Deere |
Model | 7505 |
Country | United states |
Production | From 1998 Until 2005 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | John Deere 7505 Manual |
Dimensions, sizes and tires
AG front tires | 18.4-24 |
AG rear tires | 24.5-32 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 11,660 lbs or 5288 kg |
Length | 184.9 inches [469 cm] |
Width | - |
Height | 112 inches [284 cm] |
Wheelbase | 104.3 inches [264 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 62.2 to 107.4 inches |
Front tread size | 62.9 to 82.6 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 414.4 ci or 6.8 L |
Cylinders | 6 cylinders |
Engine power | 140 hp or 104.4 kW |
Engine RPM | 2100 (rpm) |
Torque | 446.2 lb-ft or 605.0 Nm | Torque RPM | 1400 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 81.1 gal or 307.0 L |
Oil capacity | 20.1 qts or 19.0 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 7505 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | 150 amps |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 52 amps |
Trans system | John Deere PowrQuad |
Trans type | partial power shift |
Trans gears | 16 forward and reverse |
Clutch system | hydraulic wet disc PermaClutch II |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | hydraulic wet disc |
Cabin type | Cab optional |
Differentiel lock | electro-hydraulic |
System | closed-center flow-compensated |
Valves | 2 to 3 |
Pump flow | 17.44 gpm or 66.0 lpm |
SVC flow | 15.85 gpm or 60.0 lpm |
Steering flow | - |
Tank capacity | 16.9 gal or 64.0 L |
Hydraulic pressure | 2756 psi or 190.0 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 119 hp or 88.7 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | electro-hydraulic |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | electronic lower link |
Rear hitch | II |
Rear hitch lift | 10,690 lbs or 4848 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 John Deere 7505 manual book version
- Cabine, electrical And mechanical parts for John Deere 7505 farm-tractor here