Challenger MT425B VS Allis Chalmers 620 specs comparison

Challenger MT425B
General InfosMake | Challenger |
Model | MT425B |
Country | United states |
Production | From 2004 Until 2010 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | Challenger MT425B Manual |
Dimensions, sizes and tires
AG front tires | 7.50-16 (2WD) |
AG rear tires | 18.4R34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 8885 lbs or 4030 kg |
Length | - |
Width | - |
Height | - |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 268 ci or 4.4 L |
Cylinders | 4 cylinders |
Engine power | 75 hp or 55.9 kW |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | - |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger MT425B Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | Autopower IV |
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 | Cab optional |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 48.5 hp or 36.2 kW |
Fuel consumption | 3.9 gal/hour or 14.8 l/hour |
Pulling power | 8385 lbs or 3803 kg |
Claimed power | 60 hp or 44.7 kW |
Real power | 59.7 hp or 44.5 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 3.7 gal/hour or 14.0 l/hour |
Hitch system | - |
Rear hitch | II |
Rear hitch lift | - |
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 MT425B service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT425B farm-tractor here
- Get your Allis Chalmers 620 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers 620 farm-tractor here