Challenger MT425B VS International Harvester 1256 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 | - |

International Harvester 1256
General InfosMake | International Harvester |
Model | 1256 |
Country | United states |
Production | From 1967 Until 1969 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | International Harvester 1256 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 | 9940 lbs or 4508 kg |
Length | 164 inches [416 cm] |
Width | 92 inches [233 cm] |
Height | - |
Wheelbase | 105 inches [266 cm] |
Ground clearance | - |
Turning radius | 13 feet [4.0 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 406.9 ci or 6.7 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2400 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 42 gal or 159.0 L |
Oil capacity | 15 qts or 14.2 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | International Harvester 1256 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | 204 amps |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 55 amps |
Trans system | Torque Amplifier |
Trans type | partial power shift |
Trans gears | 16 forward and 8 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | independent hydraulic dry disc |
Cabin type | Open operator station |
Differentiel lock | - |
System | open center |
Valves | 1 |
Pump flow | 8 gpm or 30.3 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 102.03 hp or 76.1 kW |
Fuel consumption | 7.6 gal/hour or 28.8 l/hour |
Pulling power | 11,104 lbs or 5036 kg |
Claimed power | 113 hp or 84.3 kW |
Real power | 113.33 hp or 84.5 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 | 6.8 gal/hour or 25.7 l/hour |
Hitch system | - |
Rear hitch | III/II |
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 International Harvester 1256 manual book version
- Cabine, electrical And mechanical parts for International Harvester 1256 farm-tractor here