Challenger MT645E VS White Field Boss 31 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 | - |

White Field Boss 31
General InfosMake | White |
Model | Field Boss 31 |
Country | United states |
Production | From 1986 Until 1988 |
Price | - |
Tractor type | Compact Utility tractor |
Fuel | diesel |
Service repair manual | White Field Boss 31 Manual |
Dimensions, sizes and tires
AG front tires | 5.00-15 |
AG rear tires | 11.2-2 |
Lawn front tires | 24x8.50-12 (2WD) |
Lawn rear tires | 24x8.50-12 (2WD) |
Indus front tires | - |
Indus rear tires | - |
Weight | 2215 lbs or 1004 kg |
Length | 116 inches [294 cm] |
Width | 52 inches [132 cm] |
Height | - |
Wheelbase | 65 inches [165 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 40.2 to 52.8 inches |
Front tread size | 37.8 to 41.7 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 91.4 ci or 1.5 L |
Cylinders | 3 cylinders |
Engine power | 30 hp or 22.4 kW |
Engine RPM | 2600 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 7.4 gal or 28.0 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | White Field Boss 31 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 35 amps |
Trans system | Triple-sync |
Trans type | partially synchronized |
Trans gears | 12 forward and 4 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | manual (2WD) |
Braking system | mechanical wet discs |
Cabin type | Two-post ROPS |
Differentiel lock | - |
System | open center |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2135 psi or 147.2 bar |
Max flow | 7.7 gpm or 29.1 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 25 hp or 18.6 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | live |
Front PTO RPM | 2600 (rpm) |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | I |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


Challenger MT645E J.I. Case 1194


Challenger MT645E Hinomoto N249


Challenger MT645E J.I. Case 4994


White Field Boss 31 CaseIH 2120


White Field Boss 31 SAME Galaxy 170


Challenger MT645E CaseIH 3394
Choose another tractor
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 White Field Boss 31 manual book version
- Cabine, electrical And mechanical parts for White Field Boss 31 farm-tractor here