Challenger MT645B VS Kubota MX5100 specs comparison

Challenger MT645B
General InfosMake | Challenger |
Model | MT645B |
Country | United states |
Production | From 2005 Until 2008 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT645B Manual |
Dimensions, sizes and tires
AG front tires | 380/85R34 |
AG rear tires | 480/80R46 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 18,308 lbs or 8304 kg |
Length | 206 inches [523 cm] |
Width | 118 inches [299 cm] |
Height | 123.6 inches [313 cm] |
Wheelbase | 121.1 inches [307 cm] |
Ground clearance | 22.4 inches [56 cm] |
Turning radius | - |
Rear tread size | 60 to 88 inches |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 449 ci or 7.4 L |
Cylinders | 6 cylinders 24 valves |
Engine power | 235 hp or 175.2 kW |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 159 gal or 601.8 L |
Oil capacity | 20 qts or 18.9 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger MT645B Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 775 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 150 amps |
Trans system | TechStar |
Trans type | continuously variable transmission (CVT) |
Trans gears | infinite (2-range) forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | inboard planetary |
Steering | power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with heat and A/C |
Differentiel lock | electrohydraulic front and rear |
System | pressure flow compensated |
Valves | 4 to 6 |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | 26.4 gal or 99.9 L |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | 39 gpm or 147.6 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 172.30 hp or 128.5 kW |
Fuel consumption | 12.0 gal/hour or 45.4 l/hour |
Pulling power | 16,954 lbs or 7690 kg |
Claimed power | 200 hp or 149.1 kW |
Real power | 221.55 hp or 165.2 kW |
Engine @RPM | 540@2037 (rpm) |
PTO Clutch | electro-hydraulic wet disc |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 12.0 gal/hour or 45.4 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | 15,600 lbs or 7076 kg |
Front hitch | II |
Front hitch lift | 7,700 lbs or 3492 kg |

Kubota MX5100
General InfosMake | Kubota |
Model | MX5100 |
Country | Japan |
Production | From 2009 Until 2014 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | Kubota MX5100 Manual |
Dimensions, sizes and tires
AG front tires | 7.5L-15 |
AG rear tires | 14.9-2 |
Lawn front tires | 29x12.50-15 |
Lawn rear tires | 29x12.50-15 |
Indus front tires | 12-16.5 (4WD) |
Indus rear tires | 17.5L-24 (4WD) |
Weight | 3369 lbs or 1528 kg |
Length | 127.8 inches [324 cm] (2WD) |
Width | 69.7 inches [177 cm] |
Height | 95.7 inches [243 cm] |
Wheelbase | 74.6 inches [189 cm] |
Ground clearance | 15.9 inches [40 cm] (2WD) |
Turning radius | 8.9 feet [2.7 m] (with brake) |
Rear tread size | 54.1 to 58.7 inches |
Front tread size | 50.4 to 62.2 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 148.6 ci or 2.4 L |
Cylinders | 4 cylinders |
Engine power | 50 hp or 37.3 kW |
Engine RPM | 2700 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 13.2 gal or 50.0 L |
Oil capacity | 8 qts or 7.6 L |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Kubota MX5100 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 582 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 40 amps |
Trans system | - |
Trans type | hydrostatic |
Trans gears | infinite (3-range) forward and reverse |
Clutch system | dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | mechanical wet disc |
Cabin type | Two-post foldable ROPS |
Differentiel lock | rear standard |
System | open center |
Valves | 0 to 3 |
Pump flow | 9.2 gpm or 34.8 lpm |
SVC flow | - |
Steering flow | 4.8 gpm or 18.2 lpm |
Tank capacity | 11.6 gal or 43.9 L |
Hydraulic pressure | - |
Max flow | 14 gpm or 53.0 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 44 hp or 32.8 kW |
Real power | - |
Engine @RPM | 540@2700 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | II/I |
Rear hitch lift | 2,866 lbs or 1300 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


Kubota MX5100 New Holland TD5050


Challenger MT645B John Deere 8345R


Kubota MX5100 Zetor Proxima 65


Kubota MX5100 Challenger MT475B


Kubota MX5100 Mahindra 7060


Kubota MX5100 CaseIH Puma 125
Choose another tractor
Useful links and guides ....
- Challenger provided us with the latest version of its MT645B service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645B farm-tractor here
- Get your Kubota MX5100 manual book version
- Cabine, electrical And mechanical parts for Kubota MX5100 farm-tractor here