Challenger MT665B VS Kubota STW37 specs comparison

Challenger MT665B
General InfosMake | Challenger |
Model | MT665B |
Country | United states |
Production | From 2005 Until 2008 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT665B 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 | 19,550 lbs or 8867 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 | 513 ci or 8.4 L |
Cylinders | 6 cylinders 24 valves |
Engine power | 290 hp or 216.3 kW |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | electronic direct 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 MT665B 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 | power shift |
Trans gears | 18 forward and 9 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 | 231.2 hp or 172.4 kW |
Fuel consumption | - |
Pulling power | 27,071 lbs or 12279 kg |
Claimed power | 240 hp or 179.0 kW |
Real power | 265.89 hp or 198.3 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 | 14.7 gal/hour or 55.6 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 STW37
General InfosMake | Kubota |
Model | STW37 |
Country | Japan |
Production | From 2015 |
Price | - |
Tractor type | Compact Utility tractor |
Fuel | diesel |
Service repair manual | Kubota STW37 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 | 34.7 hp or 25.9 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 STW37 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 | 25.5 hp or 19.0 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 MT665B service repair manual
- Find All mechanical and electrical parts and accessories of Challenger MT665B farm-tractor here
- Get your Kubota STW37 manual book version
- Cabine, electrical And mechanical parts for Kubota STW37 farm-tractor here