Challenger 65D VS Allis Chalmers 620 specs comparison

Challenger 65D
General InfosMake | Challenger |
Model | 65D |
Country | United states |
Production | From 1995 Until 1997 |
Price | - |
Tractor type | Agricultural Crawler tractor |
Fuel | diesel |
Service repair manual | Challenger 65D Manual |
Dimensions, sizes and tires
AG front tires | 30-inch track |
AG rear tires | 30-inch track |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 35235 lbs or 15982 kg |
Length | 232 inches [589 cm] |
Width | 120 inches [304 cm] |
Height | 128 inches [325 cm] |
Wheelbase | 107 inches [271 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 90 inches |
Front tread size | 90 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 636 ci or 10.4 L |
Cylinders | 6 cylinders |
Engine power | 300 hp or 223.7 kW |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 209 gal or 791.1 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger 65D Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 145 amps |
Trans system | - |
Trans type | full power shift |
Trans gears | 10 forward and 2 reverse |
Clutch system | - |
Wheel drive | crawler |
Final drive | - |
Steering | hydrostatic differential steering |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | closed-center pressure-compensated |
Valves | 4 |
Pump flow | 27 gpm or 102.2 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 235.26 hp or 175.4 kW |
Fuel consumption | 15.9 gal/hour or 60.2 l/hour |
Pulling power | 35,502 lbs or 16103 kg |
Claimed power | - |
Real power | 268.39 hp or 200.1 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 16.1 gal/hour or 60.9 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | 15,084 lbs or 6842 kg |
Front hitch | - |
Front hitch lift | - |

Allis Chalmers 620
General InfosMake | Allis Chalmers |
Model | 620 |
Country | United states |
Production | From 1973 Until 1975 |
Price | - |
Tractor type | Sub Compact Utility tractor |
Fuel | gasoline |
Service repair manual | Allis Chalmers 620 Manual |
Dimensions, sizes and tires
AG front tires | 4.00x12 |
AG rear tires | 8x16 |
Lawn front tires | 20-8x10 |
Lawn rear tires | 20-8x10 |
Indus front tires | - |
Indus rear tires | - |
Weight | 1,500 lbs or 680 kg |
Length | 83 inches [210 cm] |
Width | 48 inches [121 cm] |
Height | 43.25 inches [109 cm] |
Wheelbase | 56 inches [142 cm] |
Ground clearance | 15 inches [38 cm] |
Turning radius | 3 feet [0.9 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 49.8 ci or 0.8 L |
Cylinders | 2 cylinders |
Engine power | 19.5 hp or 14.5 kW |
Engine RPM | 3600 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | gasoline |
Fuel injection | - |
Fuel tank size | 3.8 gal or 14.4 L |
Oil capacity | 3.5 qts or 3.3 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers 620 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | 20 amps |
Trans system | - |
Trans type | hydrostatic |
Trans gears | infinite (3-range) forward and reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | - |
Braking system | - |
Cabin type | Open operator station |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | 1.25 gal or 4.7 L |
Hydraulic pressure | 500 psi or 34.5 bar |
Max flow | 2.25 gpm or 8.5 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | electric |
Rear PTO RPM | 2000 (rpm) |
Front PTO | electric |
Front PTO RPM | 2000 (rpm) |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Challenger provided us with the latest version of its 65D service repair manual
- Find All mechanical and electrical parts and accessories of Challenger 65D farm-tractor here
- Get your Allis Chalmers 620 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers 620 farm-tractor here