Challenger MT855B VS White Field Boss 31 specs comparison

Challenger MT855B
General InfosMake | Challenger |
Model | MT855B |
Country | United states |
Production | From 2005 Until 2008 |
Price | - |
Tractor type | Agricultural Crawler tractor |
Fuel | diesel |
Service repair manual | Challenger MT855B Manual |
Dimensions, sizes and tires
AG front tires | tracks |
AG rear tires | tracks |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | - |
Length | 265.9 inches [675 cm] |
Width | 140.9 inches [357 cm] |
Height | 138.1 inches [350 cm] |
Wheelbase | 118 inches [299 cm] |
Ground clearance | 14.4 inches [36 cm] |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 928 ci or 15.2 L |
Cylinders | 6 cylinders 24 valves |
Engine power | 460 hp or 343.0 kW |
Engine RPM | 2100 (rpm) |
Torque | 1423 lb-ft or 1929.6 Nm | Torque RPM | 1300 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 305 gal or 1154.4 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger MT855B Parts |
Batteries number | 4 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 1000 |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | 185 amps |
Trans system | Cat Powershift |
Trans type | - |
Trans gears | 16 forward and 4 reverse |
Clutch system | - |
Wheel drive | crawler |
Final drive | - |
Steering | - |
Braking system | - |
Cabin type | Cab standard |
Differentiel lock | - |
System | closed center PFC |
Valves | 4 |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | 43.5 gpm or 164.6 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 358.14 hp or 267.1 kW |
Fuel consumption | 23.9 gal/hour or 90.5 l/hour |
Pulling power | 41964 lbs or 19034 kg |
Claimed power | 385 hp or 287.1 kW |
Real power | 444.14 hp or 331.2 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 25.6 gal/hour or 96.9 l/hour |
Hitch system | - |
Rear hitch | III/IVN |
Rear hitch lift | 19,500 lbs or 8845 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 | - |
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Useful links and guides ....
- Challenger provided us with the latest version of its MT855B service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT855B 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