Challenger MT645 VS International Harvester 6388 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 6388
General InfosMake | International Harvester |
Model | 6388 |
Country | United states |
Production | From 1981 Until 1984 |
Price | 61,400 USD |
Tractor type | - |
Fuel | diesel |
Service repair manual | International Harvester 6388 Manual |
Dimensions, sizes and tires
AG front tires | 16.9-38 |
AG rear tires | 16.9-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 15,960 lbs or 7239 kg |
Length | 227 inches [576 cm] |
Width | 101.61 inches [258 cm] |
Height | 113 inches [287 cm] |
Wheelbase | 110 inches [279 cm] |
Ground clearance | 27.3 inches [69 cm] |
Turning radius | 15.94 feet [4.9 m] |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 436 ci or 7.1 L |
Cylinders | 6 cylinders |
Engine power | 157 hp or 117.1 kW |
Engine RPM | 2400 (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 | 12 V |
Parts And Accessories | International Harvester 6388 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | - |
Trans gears | 16 forward and 8 reverse |
Clutch system | - |
Wheel drive | 4x4 articulated 4WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | - |
Cabin type | Cab standard with burgundy finish |
Differentiel lock | - |
System | closed center |
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 | 114 hp or 85.0 kW |
Drawbar horsepower | 111.75 hp or 83.3 kW |
Fuel consumption | 8.3 gal/hour or 31.4 l/hour |
Pulling power | 16,764 lbs or 7604 kg |
Claimed power | 130 hp or 96.9 kW |
Real power | 128.59 hp or 95.9 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 7.6 gal/hour or 28.8 l/hour |
Hitch system | - |
Rear hitch | 3, 2 |
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 MT645 service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645 farm-tractor here
- Get your International Harvester 6388 manual book version
- Cabine, electrical And mechanical parts for International Harvester 6388 farm-tractor here