CaseIH STX450
The CaseIH STX450 is a four-wheel drive (4WD) tractor produced from 2002 to 2005. It is part of the Steiger STX Series and built in Fargo, North Dakota, USA. The New Holland TJ450 is the same model as the CaseIH STX450. It features a powerful Cummins QSX 15 turbocharged aftercooled diesel engine with 450 hp, a 16-speed full power shift transmission, and advanced hydraulics and mechanical systems designed for heavy-duty farm work.
Power450 hp
Founded2002 - 2005
ModelSTX450
Technical Specifications
Detailed specifications and technical data for CaseIH STX450
Power
| Engine power | 450 hp (335.6 kW) |
|---|---|
| PTO (tested) | 454.23 hp (338.7 kW) |
| PTO (claimed) | 395 hp (294.6 kW) |
| Drawbar (tested) | 371.35 hp (276.9 kW) |
| Drawbar (claimed) | 360 hp (268.5 kW) |
Engine
| Type | turbocharged aftercooled diesel |
|---|---|
| Model | Cummins QSX 15 |
| Power | 450 hp (335.6 kW) |
| Torque | 1669 lb-ft (2263.2 Nm) |
| Cooling | liquid-cooled inline |
| Cylinders | 6-cylinder |
| Rated RPM | 2000 |
| Torque RPM | 1400 |
| Air cleaner | dual paper elements |
| Bore/Stroke | 5.39x6.65 inches (137 x 169 mm) |
| Displacement | 912 ci (14.9 L) |
| Starter volts | 12 |
| Compression ratio | 16.5:1 |
Weight
| Ballasted | 44560 lbs (20212 kg) |
|---|---|
| Operating | 39325 lbs (17837 kg) |
| Max Drawbar | 5300 lbs (2404 kg) |
| Max capacity | 52000 lbs (23587 kg) |
| Drawbar at innermost position | 11000 lbs (4989 kg) |
Variants
| TJ450 | similar New Holland model |
|---|---|
| STX450 | wheeled tractor |
| STX450QT | crawler tractor |
Dimensions
| Width | 44 inches (frame) (111 cm) |
|---|---|
| Height | 152.1 inches (386 cm) |
| Length | 317.5 inches (806 cm) |
| Rear axle | 4.5 inch diameter (114 mm) |
| Wheelbase | 154 inches (391 cm) |
| Front axle | 4.5 inch diameter (114 mm) |
| Rear tread | 60 to 176 inches (152 to 447 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
Hydraulics
| Type | pressure flow compensated (PFC) |
|---|---|
| SCV flow | 35 gpm (132.5 lpm) |
| Total flow | 40 gpm (151.4 lpm) |
| Rear valves | 4 to 7 |
| Optional flow | 55 gpm (208.2 lpm) |
Mechanical
| Cab | Surveyor Cab standard |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Integrated hydraulic wet disc brakes |
| Steering | hydrostatic power |
| Final drives | compound planetary |
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Notes | The New Holland TJ450 is the same as the CaseIH STX450. |
| Built in | Fargo, North Dakota, USA |
| Manufacturer | CaseIH |
| Years produced | 2002 - 2005 |
Transmission
| Type | full power shift |
|---|---|
| Gears | 16 forward and 2 reverse |
| Clutch | electro-hydraulic wet disc |
Tractor hitch
| Rear Type | IVN/III |
|---|---|
| Rear lift (at 24"/610mm) | 19500 lbs (8845 kg) |
Power Take-off (PTO)
| Rear PTO | independent (Optional) |
|---|---|
| Rear PTO Type | 1000 (1.75) |
