| Manufacturer |
CaseIH |
| Price |
- |
| Model |
STX425QT |
| Equipment Type |
Articulated Crawler Tractors |
| Factory |
Fargo, North Dakota, USA |
ENGINE DETAIL
The CaseIH STX425QT tractor is powered by a robust Cummins QSX15 engine, delivering 425 hp and a substantial torque of 1594 lb-ft at 1400 RPM, making it ideal for heavy-duty agricultural tasks and demanding field operations. The engine's dual paper element air cleaner enhances filtration and engine longevity, while the 15.0L displacement provides optimal power for cultivating, plowing, and towing duties. However, operators should consider the challenge of managing fuel efficiency at higher power outputs and the need for regular maintenance to ensure peak performance.
| Description |
Cummins QSX15 turbocharged aftercooled diesel 6-cylinder liquid-cooled |
| Displacemen |
915ci / 15.0L |
| Bore/Strok |
5.39x6.65inches / 137x 169 mm |
| Powe |
425hp / 316.9kW |
| Air cleane |
dual paper elements |
| Rated RP |
2000 |
| Torqu |
1594 lb-ft/2161.5 Nm |
| Torque RP |
1400 |
| Starter volt |
12 |
CASEIH STX425QT ENGINE
The CaseIH STX425QT features a robust 15.0L Cummins 6-cylinder diesel engine, providing substantial horsepower and torque for demanding agricultural tasks. With a fuel tank capacity of 300 gallons (1135.5L), this tractor is designed for extended operation, reducing downtime for refueling during large-scale projects. However, the significant weight and size may present challenges in maneuverability on smaller fields or tight spaces.
| Description |
Cummins 15.0L 6-cyl diesel |
| Fuel tan |
300gal / 1135.5L |
TRANSMISSION
The CaseIH STX425QT's full power shift transmission enhances operational efficiency with 16 forward and 2 reverse gears, allowing for precise speed management in varying field conditions. The electro-hydraulic wet disc clutch offers durability and minimal slippage, translating to improved power transfer during heavy-duty tasks. A potential challenge is the complexity of the transmission system, which may require specialized knowledge for maintenance and repairs.
| Typ |
full power shift |
| Gear |
16 forward and 2 reverse |
| Clutc |
electro-hydraulic wet disc |
CASEIH STX425QT TRANSMISSION
The CaseIH STX425QT's 16-speed full power shift transmission allows seamless gear changes under load, enhancing operational efficiency and reducing downtime. This feature is advantageous for tasks requiring variable speed control, such as tillage or planting. However, it may present a learning curve for operators unfamiliar with complex transmission systems, requiring proper training to maximize productivity.
| Description |
16-speed full power shift |
MECHANICAL
The CaseIH STX425QT tractor features an articulated crawler design, enhancing maneuverability in tight spaces and complex terrain, which is ideal for large-scale operations. Its inboard planetary final drive provides efficient torque distribution and durability, although it may have higher maintenance needs due to more components in the drive system. The hydrostatic power steering combined with integrated hydraulic wet disc brakes allows for precise control and safety, making it suitable for heavy-duty tasks in varying conditions.
| 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) |
| Rear valve |
4 to 7 |
| 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) |
CASEIH STX425QT TRACKS
DIMENSIONS & TRACKS
| Wheelbas |
154inches / 391cm |
| Description |
30-inch tracks |
ELECTRICAL
| Groun |
negative |
| Charging syste |
alternator |
| Battery volt |
12 |
