Challenger MT645 VS Kubota M108S 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 | - |

Kubota M108S
General InfosMake | Kubota |
Model | M108S |
Country | Japan |
Production | From 2007 Until 2014 |
Price | 36,542 USD |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Kubota M108S Manual |
Dimensions, sizes and tires
AG front tires | 10.00-16 |
AG rear tires | 18.4-3 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 6,349 lbs or 2879 kg |
Length | - |
Width | 90 inches [228 cm] (2WD) |
Height | 106 inches [269 cm] |
Wheelbase | - |
Ground clearance | - |
Turning radius | 15.4 feet [4.7 m] |
Rear tread size | 67.1 to 79 inches |
Front tread size | 60.6 to 80.3 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 230 ci or 3.8 L |
Cylinders | 4 cylinders 16 valves |
Engine power | 108 hp or 80.5 kW |
Engine RPM | 2600 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 46.2 gal or 174.9 L |
Oil capacity | 11.3 qts or 10.7 L |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Kubota M108S Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 900 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 45 amps |
Trans system | Swing Shift Plus with creeper |
Trans type | partial power shift |
Trans gears | 48 forward and reverse |
Clutch system | wet disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | hydraulic wet disc |
Cabin type | Two-post foldable ROPS |
Differentiel lock | mechanical rear (2WD) or front-and-rear (4WD) |
System | open center |
Valves | 1 to 3 |
Pump flow | 17.2 gpm or 65.1 lpm |
SVC flow | - |
Steering flow | 12.1 gpm or 45.8 lpm |
Tank capacity | 16.6 gal or 62.8 L |
Hydraulic pressure | 2844 psi or 196.1 bar |
Max flow | 29.3 gpm or 110.9 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 96 hp or 71.6 kW |
Real power | 99.27 hp or 74.0 kW |
Engine @RPM | 540@2205 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 5.8 gal/hour or 22.0 l/hour |
Hitch system | - |
Rear hitch | II |
Rear hitch lift | 5,560 lbs or 2522 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


Challenger MT645 Challenger MT445B


Challenger MT645 Mahindra 7520


Kubota M108S CaseIH Farmall DX25E


Kubota M108S Kubota GB145


Challenger MT645 Kubota M110X


Challenger MT645 McCormick Intl T115 Max
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 Kubota M108S manual book version
- Cabine, electrical And mechanical parts for Kubota M108S farm-tractor here