| Manufacturer |
CaseIH |
| Price |
- |
| Model |
STX450QT |
| Equipment Type |
Articulated Crawler Tractors |
| Factory |
Fargo, North Dakota, USA |
ENGINE DETAIL
The CaseIH STX450QT is powered by a robust Cummins QSX15 turbocharged diesel engine, delivering 450 hp and an impressive torque of 1,669 lb-ft at 1,400 RPM, ideal for heavy-duty applications such as plowing and tilling. With a compression ratio of 16.5:1 and a large displacement of 14.9L, it ensures efficient combustion and optimal power delivery, but the substantial weight may impact maneuverability in tighter fields. Regular maintenance of the dual paper air cleaner is essential to maintain engine performance and longevity, especially in dusty environments.
| Description |
Cummins QSX15 turbocharged aftercooled diesel 6-cylinder liquid-cooled |
| Displacemen |
912ci / 14.9L |
| Bore/Strok |
5.39x6.65inches / 137x 169 mm |
| Powe |
450hp / 335.6kW |
| Air cleane |
dual paper elements |
| Compressio |
16.5:1 |
| Rated RP |
2000 |
| Torqu |
1669 lb-ft/2263.2 Nm |
| Torque RP |
1400 |
| Starter volt |
12 |
CASEIH STX450QT ENGINE
The CaseIH STX450QT tractor is powered by a robust Cummins 14.9L 6-cylinder diesel engine, offering high torque and efficiency for heavy-duty applications. Its substantial 300-gallon fuel tank ensures extended operational time, making it ideal for large-scale farming or construction projects where downtime for refueling is minimized. However, the significant fuel capacity can add to the overall weight, potentially affecting maneuverability in tight spaces or on soft ground.
| Description |
Cummins 14.9L 6-cyl diesel |
| Fuel tan |
300gal / 1135.5L |
TRANSMISSION
The CaseIH STX450QT features a full power shift transmission with 16 forward and 2 reverse gears, providing seamless power delivery and optimal speed control for diverse field conditions. The electro-hydraulic wet disc clutch enhances durability and reduces wear compared to traditional clutch systems, facilitating smoother operation and extending service intervals. A potential challenge includes the complexity of the power shift system, which may require additional training for operators to fully utilize its capabilities.
| Typ |
full power shift |
| Gear |
16 forward and 2 reverse |
| Clutc |
electro-hydraulic wet disc |
CASEIH STX450QT TRANSMISSION
The CaseIH STX450QT features a 16-speed full power shift transmission, which allows for seamless gear changes without the need to disengage the drive, enhancing productivity during varied field conditions. The advantage of this system is improved efficiency and reduced operator fatigue, especially in applications requiring frequent speed adjustments. However, operators may face a learning curve to fully exploit the transmission capabilities, particularly in complex terrain scenarios.
| Description |
16-speed full power shift |
MECHANICAL
The CaseIH STX450QT features an articulated crawler design with hydrostatic power steering, providing superior maneuverability in challenging terrains. Its inboard planetary final drive enhances durability and efficiency, making it suitable for heavy-duty tasks, although maintenance access may be more complex. The integrated hydraulic wet disc brakes offer reliable stopping power, ideal for both fieldwork and transport scenarios.
| Driv |
articulated crawler |
| Final drive |
inboard planetary |
| Steerin |
hydrostatic power |
| Description |
Integrated hydraulic wet disc brakes/Surveyor Cab standard. |
HYDRAULICS
| Typ |
pressure flow compensated (PFC) |
| Pump flo |
40gpm / 151.4lpm/55gpmOptOptional / 208.2lpm |
TRACTOR HITCH
| Rear Typ |
IVN/III |
| Rear lift (at 24 |
19500lbs / 8845kg |
POWER TAKE-OFF (PTO)
| Rear PT |
independent OptOptional |
| Rear RP |
1000 (1.75) |
| Engine RP |
1000@1998 |
CASEIH STX450QT TRACKS
DIMENSIONS & TRACKS
| Wheelbas |
154inches / 391cm |
| Weigh |
51335lbs / 23285kg |
| Description |
30-inch tracks |
ELECTRICAL
| Groun |
negative |
| Charging syste |
alternator |
| Battery volt |
12 |
