Challenger MT645 VS International Harvester 6788 specs comparison

Challenger MT645
General InfosMake | Challenger |
Model | MT645 |
Country | United states |
Production | From 2002 Until 2003 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT645 Manual |
Dimensions, sizes and tires
AG front tires | 14.9R30 |
AG rear tires | 18.4R42 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 19000 lbs or 8618 kg |
Length | 203 inches [515 cm] |
Width | 98.2 inches [249 cm] |
Height | 121 inches [307 cm] |
Wheelbase | 121 inches [307 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 449 ci or 7.4 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2200 (rpm) |
Torque | - |
Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 120 gal or 454.2 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger MT645 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | power shift |
Trans gears | 18 forward and 6 reverse |
Clutch system | electro-hydraulic wet disc |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | closed center pressure flow compensated |
Valves | 4 |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | 29 gpm or 109.8 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 180 hp or 134.2 kW |
Real power | 183.87 hp or 137.1 kW |
Engine @RPM | 1000@2091 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 10.9 gal/hour or 41.3 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | 18400 lbs or 8346 kg |
Front hitch | - |
Front hitch lift | - |

International Harvester 6788
General InfosMake | International Harvester |
Model | 6788 |
Country | United states |
Production | From 1981 Until 1984 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | International Harvester 6788 Manual |
Dimensions, sizes and tires
AG front tires | 18.4-38 |
AG rear tires | 18.4-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 16,920 lbs or 7674 kg |
Length | 228.3 inches [579 cm] |
Width | 112 inches [284 cm] |
Height | 114.1 inches [289 cm] |
Wheelbase | 110 inches [279 cm] |
Ground clearance | 28.4 inches [72 cm] |
Turning radius | 15.94 feet [4.9 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 466 ci or 7.6 L |
Cylinders | 6 cylinders |
Engine power | 200 hp or 149.1 kW |
Engine RPM | 2500 (rpm) |
Torque | - |
Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 89 gal or 336.9 L |
Oil capacity | 20 qts or 18.9 L |
Oil change | - |
Starter motor | - |
Starter volts | - |
Parts And Accessories | International Harvester 6788 Parts |
Batteries number | - |
Batteries voltage | - |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | - |
Trans gears | 12 forward and 6 reverse |
Clutch system | - |
Wheel drive | 4x4 articulated 4WD |
Final drive | - |
Steering | articulated power |
Braking system | - |
Cabin type | Cab standard with burgundy finish |
Differentiel lock | - |
System | - |
Valves | 2 to 4 |
Pump flow | 18 gpm or 68.1 lpm |
SVC flow | - |
Steering flow | 12 gpm or 45.4 lpm |
Tank capacity | 23.6 gal or 89.3 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | 142 hp or 105.9 kW |
Drawbar horsepower | 142.05 hp or 105.9 kW |
Fuel consumption | 10.7 gal/hour or 40.5 l/hour |
Pulling power | 19069 lbs or 8649 kg |
Claimed power | 170 hp or 126.8 kW |
Real power | 166.39 hp or 124.1 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 | 9.7 gal/hour or 36.7 l/hour |
Hitch system | - |
Rear hitch | 3, 2 |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


International Harvester 6788 International Harvester 1455


International Harvester 6788 Yanmar YM2310


Challenger MT645 Yanmar YM2610


International Harvester 6788 Belarus 611


International Harvester 6788 Bolens G292


Challenger MT645 Fendt Farmer 108LS
Choose another tractor
Useful links and guides ....
- Challenger provided us with the latest version of its MT645 service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645 farm-tractor here
- Get your International Harvester 6788 manual book version
- Cabine, electrical And mechanical parts for International Harvester 6788 farm-tractor here