| Manufacturer | CaseIH |
| Price | - |
| Model | STX375 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Fargo, North Dakota, USA |
OCED TRACTOR TEST 1783 2
| Description | Diesel 16-speed 4WD October 9 - 18, 2000 Link: OCED Tractor Test 1783 file PTO performance Drawbar performance Gear 5 used for power test. Gear 1 used for pull test |
| Max power | 313.95hp / 234.1kW |
| Fuel use | 19.1gal/hour / 72.3l/hour |
| Power at rated engine speed | 337.93hp / 252.0kW |
| Max pull | 33,658lbs / 15267kg |
CASEIH STX375 POWER
| Engine | 375hp / 279.6kW |
| Drawbar (claimed) | 305hp / 227.4kW |
| PTO (claimed) | 330hp / 246.1kW |
| Drawbar (tested) | 313.95hp / 234.1kW |
| PTO (tested) | 386.64hp / 288.3kW |
ENGINE DETAIL
The CaseIH STX375 tractor features a robust Cummins QSX15 engine, delivering 375 hp and an impressive torque of 1380 lb-ft at a low 1400 RPM, making it well-suited for heavy-duty applications like plowing and tilling in agriculture. Its efficient 15.0L displacement and high compression ratio of 16.5:1 enhance fuel efficiency, while dual paper air cleaners improve air intake reliability under demanding conditions. However, maintenance complexity and the significant oil capacity of 52 quarts may require careful planning for service intervals to maintain optimal operational performance.
| Description | Cummins QSX15 turbocharged aftercooled diesel 6-cylinder liquid-cooled |
| Displacement | 915ci / 15.0L |
| Bore/Stroke | 5.39x6.65inches / 137x 169 mm |
| Power | 375hp / 279.6kW |
| Air cleaner | dual paper elements |
| Compression | 16.5:1 |
| Rated RPM | 2000 |
| Torque | 1380 lb-ft /1871.3 Nm |
| Torque RPM | 1400 |
| Starter volts | 12 |
| Oil capacity | 52qts / 49.2L |
CASEIH STX375 ENGINE
The CaseIH STX375 is powered by a Cummins 15.0L 6-cylinder diesel engine, offering robust power and efficiency for heavy-duty applications. With a substantial 300-gallon fuel tank, operator downtime is minimized, enhancing productivity during extended field operations. However, the significant weight and size of this tractor may present mobility challenges in tighter farming spaces.
| Description | Cummins 15.0L 6-cyl diesel |
| Fuel tank | 300gal / 1135.5L |
TRANSMISSIONS OVERVIEW
The CaseIH STX375 features a 16-speed full power shift transmission, which allows for seamless power transfer and effective torque management for varied field conditions, enhancing operational efficiency. The optional 24-speed fully synchronized transmission provides additional gearing flexibility for precise speed control during demanding tasks, potentially improving performance in diverse agricultural scenarios. Considerations include the complexity of maintenance and potential costs associated with the more intricate transmission systems.
| Description | 16-speed full power shift 24-speed fully synchronized |
TRANSMISSION 1
The CaseIH STX375's full power shift transmission enables seamless gear transitions through its 16 forward and 2 reverse gears, optimizing operational efficiency in various field conditions. The electro-hydraulic wet disc clutch provides smooth engagement while reducing wear, thus enhancing durability and reducing maintenance frequency. However, operators must stay vigilant about hydraulic fluid levels to ensure consistent clutch performance and avoid potential overheating in heavy-duty applications.
| Type | full power shift |
| Gears | 16 forward and 2 reverse |
| Clutch | electro-hydraulic wet disc |
TRANSMISSION 2
The CaseIH STX375 features a fully synchronized Synchroshift transmission, providing 24 forward and 6 reverse gears for optimal speed and torque management. This allows for smooth gear transitions, enhancing operational efficiency during varied tasks. However, the complexity of the transmission may require more maintenance, and operators need familiarity with gear selection to maximize performance in different field conditions.
| Transmission | Synchroshift |
| Type | fully synchronized |
| Gears | 24 forward and 6 reverse |
MECHANICAL
The CaseIH STX375 features an articulated 4x4 chassis, enhancing maneuverability and stability in rough terrain, making it ideal for demanding agricultural tasks. Its final drive options allow for tailored performance, with inboard planetary for standard applications and compound planetary for heavy-duty operations. The 16-speed full power shift transmission offers seamless power delivery, while the integrated hydraulic wet disc brakes ensure reliable stopping power, vital for safety during high-load activities.
| Chassis | 4x4 articulated 4WD |
| Final drives | inboard planetary (standard)/compound planetary (HD/scraper) |
| Steering | hydrostatic power |
| Brakes | integrated hydraulic wet disc |
| Cab | Surveyor Cab standard. |
| Transmissions | 16-speed full power shift/24-speed fully synchronized |
HYDRAULICS
| Type | pressure flow compensated (PFC) |
| Rear valves | 4 to 7 |
| Pump flow | 40gpm / 151.4lpm/55gpm / 208.2lpm |
TRACTOR HITCH
| Rear Type | IVN/III |
| Rear lift (at 24 | 19500lbs / 8845kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 (1.75) |
DIMENSIONS
| Wheelbase | 154inches / 391cm |
| Length | 317.5inches / 806cm |
| Width | 44inches / 111cm (frame) |
| Height | 152.1inches / 386cm |
| Front axle | 4.5 inch diameter /114 mm |
| Rear axle | 4.5 inch diameter /114 mm |
| Rear tread | 60 to 176inches / 152to 447 cm |
CASEIH STX375 WEIGHT
| Operating | 37610lbs / 17059kg |
| Max capacity | 45000lbs / 20412kg |
| Max Drawbar | 5300lbs / 2404kg/11000lbs / 4989kg *Drawbar at innermost position. |
DIMENSIONS & TIRES
The CaseIH STX375 tractor features a wheelbase of 154 inches, contributing to enhanced stability during field operations, particularly in heavy tillage or transport scenarios. Weighing 37,610 lbs, it offers a significant ground grip, making it well-suited for challenging terrains but may limit maneuverability in tighter spaces. Operators should consider its weight-to-power ratio for optimal performance, especially in heavy soil conditions where traction is key.
| Wheelbase | 154inches / 391cm |
| Weight | 37610lbs / 17059kg |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Battery volts | 12 |