Challenger MT743 VS International Harvester 444 specs comparison

Challenger MT743
General InfosMake | Challenger |
Model | MT743 |
Country | United states |
Production | From 2018 |
Price | - |
Tractor type | Agricultural Crawler tractor |
Fuel | diesel |
Service repair manual | Challenger MT743 Manual |
Dimensions, sizes and tires
AG front tires | - |
AG rear tires | - |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 33443 lbs or 15169 kg |
Length | - |
Width | - |
Height | - |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | 72 to 88 inches |
Front tread size | 72 to 88 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 599 ci or 9.8 L |
Cylinders | 7 cylinders |
Engine power | 425 hp or 316.9 kW |
Engine RPM | 1700 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 180 gal or 681.3 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | - |
Parts And Accessories | Challenger MT743 Parts |
Batteries number | - |
Batteries voltage | - |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | Accu-VT |
Trans type | infinitely-variable transmission |
Trans gears | infinite forward and reverse |
Clutch system | - |
Wheel drive | crawler |
Final drive | - |
Steering | - |
Braking system | - |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | load sensing |
Valves | 4 to 6 |
Pump flow | 58 gpm or 219.5 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 334 hp or 249.1 kW |
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 | III/IVN |
Rear hitch lift | 19000 lbs or 8618 kg |
Front hitch | - |
Front hitch lift | - |

International Harvester 444
General InfosMake | International Harvester |
Model | 444 |
Country | United states |
Production | From 1967 Until 1971 |
Price | - |
Tractor type | Utility tractor |
Fuel | gasoline |
Service repair manual | International Harvester 444 Manual |
Dimensions, sizes and tires
AG front tires | 6.00-16 |
AG rear tires | 13.6-28 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 3800 lbs or 1723 kg |
Length | 121 inches [307 cm] |
Width | - |
Height | - |
Wheelbase | 70 inches [177 cm] |
Ground clearance | 18 inches [45 cm] (rear frame) |
Turning radius | 10.5 feet [3.2 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 154 ci or 2.5 L |
Cylinders | 4 cylinders |
Engine power | 42 hp or 31.3 kW |
Engine RPM | 2000 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | gasoline |
Fuel injection | indirect injection |
Fuel tank size | 14 gal or 53.0 L |
Oil capacity | 7 qts or 6.6 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | International Harvester 444 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 32 amps |
Trans system | - |
Trans type | shuttle |
Trans gears | 8 forward and reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | bull gear |
Steering | power |
Braking system | independent mechanical disc |
Cabin type | Open operator station |
Differentiel lock | - |
System | open center |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | 8 gal or 30.3 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | 33 hp or 24.6 kW |
Drawbar horsepower | 32.94 hp or 24.6 kW |
Fuel consumption | 3.4 gal/hour or 12.9 l/hour |
Pulling power | 5,494 lbs or 2492 kg |
Claimed power | 36.9 hp or 27.5 kW |
Real power | 38.09 hp or 28.4 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | live |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 3.4 gal/hour or 12.9 l/hour |
Hitch system | - |
Rear hitch | I |
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 MT743 service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT743 farm-tractor here
- Get your International Harvester 444 manual book version
- Cabine, electrical And mechanical parts for International Harvester 444 farm-tractor here