Challenger MT645E VS Kubota STW40 specs comparison

Challenger MT645E
General InfosMake | Challenger |
Model | MT645E |
Country | United states |
Production | From 2014 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT645E Manual |
Dimensions, sizes and tires
AG front tires | - |
AG rear tires | - |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 23810 lbs or 10800 kg |
Length | 218.6 inches [555 cm] |
Width | - |
Height | 141 inches [358 cm] |
Wheelbase | 122 inches [309 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 512.6 ci or 8.4 L |
Cylinders | 6 cylinders 24 valves |
Engine power | 240 hp or 179.0 kW |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 166 gal or 628.3 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Challenger MT645E Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | 12 V |
Charging Amps | 240 amps |
Trans system | Techstar CVT |
Trans type | continuously variable transmission (CVT) |
Trans gears | infinite (2-range) forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | electro-hydraulic |
System | closed center load sensing |
Valves | 4 to 6 |
Pump flow | 54 gpm or 204.4 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | - |
Drawbar type | Cat |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 205 hp or 152.9 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | III/IVN |
Rear hitch lift | 26455 lbs or 11999 kg |
Front hitch | - |
Front hitch lift | - |

Kubota STW40
General InfosMake | Kubota |
Model | STW40 |
Country | Japan |
Production | From 2015 |
Price | - |
Tractor type | Compact Utility tractor |
Fuel | diesel |
Service repair manual | Kubota STW40 Manual |
Dimensions, sizes and tires
AG front tires | 6.00-12 |
AG rear tires | 9.5-22 |
Lawn front tires | 24x8.50-14 |
Lawn rear tires | 24x8.50-14 |
Indus front tires | - |
Indus rear tires | - |
Weight | 2436 lbs or 1104 kg |
Length | 115.8 inches [294 cm] |
Width | 46.7 inches [118 cm] |
Height | 85.2 inches [216 cm] |
Wheelbase | 63.4 inches [161 cm] |
Ground clearance | 9.3 inches [23 cm] |
Turning radius | - |
Rear tread size | 37.4 to 42.1 inches |
Front tread size | 40.2 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 111.4 ci or 1.8 L |
Cylinders | 3 cylinders |
Engine power | 36.6 hp or 27.3 kW |
Engine RPM | 2700 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 7.8 gal or 29.5 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Kubota STW40 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 60 amps |
Trans system | - |
Trans type | hydrostatic |
Trans gears | infinite (3-range) forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | wet disc |
Cabin type | Two-post folding ROPS |
Differentiel lock | mechanical rear |
System | - |
Valves | - |
Pump flow | 7.9 gpm or 29.9 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2461 psi or 169.7 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 27.4 hp or 20.4 kW |
Real power | - |
Engine @RPM | 2500@2734 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | independent |
Mid PTO RPM | 2500 (rpm) |
Fuel consumption | - |
Hitch system | position control |
Rear hitch | I |
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 MT645E service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT645E farm-tractor here
- Get your Kubota STW40 manual book version
- Cabine, electrical And mechanical parts for Kubota STW40 farm-tractor here