Allis Chalmers HD21 VS John Deere 6715 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 6715
General InfosMake | John Deere |
Model | 6715 |
Country | United states |
Production | From 2003 Until 2007 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | John Deere 6715 Manual |
Dimensions, sizes and tires
AG front tires | 10.00-16 |
AG rear tires | 18.4-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 8776 lbs or 3980 kg |
Length | 177.2 inches [450 cm] |
Width | - |
Height | - |
Wheelbase | 104.3 inches [264 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 414 ci or 6.8 L |
Cylinders | 6 cylinders |
Engine power | 125 hp or 93.2 kW |
Engine RPM | 2300 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 54.7 gal or 207.0 L |
Oil capacity | 21.2 qts or 20.1 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 6715 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | 154 amps |
Cold Amps | 1230 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 90 amps |
Trans system | PowrQuad |
Trans type | four-speed power shift |
Trans gears | 16 forward and reverse |
Clutch system | wet disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | hydraulic wet disc |
Cabin type | Two-post foldable ROPS |
Differentiel lock | electro-hydraulic rear |
System | constant-flow load-sensing |
Valves | 1 to 4 |
Pump flow | 17.5 gpm or 66.2 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 94.3 hp or 70.3 kW |
Fuel consumption | 6.8 gal/hour or 25.7 l/hour |
Pulling power | 11755 lbs or 5332 kg |
Claimed power | 105 hp or 78.3 kW |
Real power | 115.5 hp or 86.1 kW |
Engine @RPM | - |
PTO Clutch | electro-hydraulic wet disc |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 7.2 gal/hour or 27.3 l/hour |
Hitch system | electro-hydraulic lower-link draft sensing |
Rear hitch | II |
Rear hitch lift | 5915 lbs or 2683 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


Allis Chalmers HD21 TYM T550


Allis Chalmers HD21 Landini Ghibli 80


John Deere 6715 John Deere 5325


Allis Chalmers HD21 AGCO GT45


Allis Chalmers HD21 Lamborghini Champion 160


Allis Chalmers HD21 Kirovets K-3160 ATM
Choose another tractor
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 6715 manual book version
- Cabine, electrical And mechanical parts for John Deere 6715 farm-tractor here