CaseIH STX450 VS Challenger MT665B specs comparison

CaseIH STX450
General InfosMake | CaseIH |
Model | STX450 |
Country | United states |
Production | From 2002 Until 2005 |
Price | - |
Tractor type | Four wheel Drive (4WD) tractor |
Fuel | diesel |
Service repair manual | CaseIH STX450 Manual |
Dimensions, sizes and tires
AG front tires | - |
AG rear tires | - |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 39,325 lbs or 17837 kg |
Length | - |
Width | 44 inches [111 cm] |
Height | - |
Wheelbase | 154 inches [391 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 912 ci or 14.9 L |
Cylinders | 6 cylinders |
Engine power | 450 hp or 335.6 kW |
Engine RPM | 2000 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 300 gal or 1135.5 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | CaseIH STX450 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | full power shift |
Trans gears | 16 forward and 2 reverse |
Clutch system | - |
Wheel drive | 4x4 articulated 4WD |
Final drive | compound planetary |
Steering | hydrostatic power |
Braking system | integrated hydraulic wet disc |
Cabin type | Surveyor Cab standard |
Differentiel lock | - |
System | pressure flow compensated |
Valves | - |
Pump flow | 40 gpm or 151.4 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 371.35 hp or 276.9 kW |
Fuel consumption | 21.8 gal/hour or 82.5 l/hour |
Pulling power | 44,525 lbs or 20196 kg |
Claimed power | 395 hp or 294.6 kW |
Real power | 400.64 hp or 298.8 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 | 22.1 gal/hour or 83.6 l/hour |
Hitch system | - |
Rear hitch | IVN/III |
Rear hitch lift | 19,500 lbs or 8845 kg |
Front hitch | - |
Front hitch lift | - |

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 |
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Useful links and guides ....
- CaseIH provided us with the latest version of its STX450 service repair manual
- Find All mechanical and electrical parts and accessories of CaseIH STX450 farm-tractor here
- Get your Challenger MT665B manual book version
- Cabine, electrical And mechanical parts for Challenger MT665B farm-tractor here