Challenger MT645B VS Kubota MX4800 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 MX4800
General InfosMake | Kubota |
Model | MX4800 |
Country | Japan |
Production | From 2014 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | Kubota MX4800 Manual |
Dimensions, sizes and tires
AG front tires | 7.5L-15 |
AG rear tires | 14.9-2 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 3469 lbs or 1573 kg |
Length | 126.2 inches [320 cm] |
Width | 69.7 inches [177 cm] |
Height | 95.7 inches [243 cm] |
Wheelbase | 74.6 inches [189 cm] |
Ground clearance | 15.2 inches [38 cm] |
Turning radius | - |
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 | 46.9 hp or 35.0 kW |
Engine RPM | 2700 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | common rail direct injection |
Fuel tank size | 13.5 gal or 51.1 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Kubota MX4800 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 45 amps |
Trans system | - |
Trans type | hydrostatic |
Trans gears | infinite (3-range) forward and reverse |
Clutch system | dry disc |
Wheel drive | 4x2 2WD |
Final drive | mechanical rear |
Steering | hydrostatic power |
Braking system | mechanical wet disc |
Cabin type | Two-post foldable ROPS |
Differentiel lock | - |
System | open center |
Valves | up to 3 |
Pump flow | 9.5 gpm or 36.0 lpm |
SVC flow | - |
Steering flow | 4.9 gpm or 18.5 lpm |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 04.5. hp or 3.4 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | wet disc |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | position control |
Rear hitch | II/I |
Rear hitch lift | telescoping lbs or 0 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


Challenger MT645B Kubota M110GX


Challenger MT645B McCormick Intl X4.70


Challenger MT645B New Holland T5.115


Challenger MT645B New Holland T4.105


Challenger MT645B New Holland T4.75


Challenger MT645B Massey Ferguson 3630A
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 MX4800 manual book version
- Cabine, electrical And mechanical parts for Kubota MX4800 farm-tractor here