| Manufacturer | CaseIH |
| Price | - |
| Model | STX275 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Fargo, North Dakota, USA |
NEBRASKA TRACTOR TEST 1796 2
| Description | Diesel 16-speed 4WD October 3 - 12, 2001 Link: Nebraska Tractor Test 1796 file PTO performance Drawbar performance Gear 4 used for power test. |
| Max power | 211.57hp / 157.8kW |
| Fuel use | 13.7gal/hour / 51.9l/hour |
| Power at rated engine speed | 238.92hp / 178.2kW |
CASEIH STX275 POWER
| Engine | 275hp / 205.1kW |
| Drawbar (claimed) | 205hp / 152.9kW |
| PTO (claimed) | 225hp / 167.8kW |
| Drawbar (tested) | 211.57hp / 157.8kW |
| PTO (tested) | 274.11hp / 204.4kW |
ENGINE DETAIL
The CaseIH STX275 features a robust 8.3L CDC turbocharged diesel engine, delivering 275hp, which is optimal for heavy-duty agricultural tasks. With a torque output of 1022 lb-ft at 1400 RPM, it excels in high-load scenarios like plowing or heavy tilling but may face challenges in efficiency at lower RPMs. The dual paper element air cleaner enhances engine longevity; however, maintenance is crucial to prevent airflow restriction.
| Description | CDC turbocharged aftercooled diesel 6-cylinder liquid-cooled |
| Displacement | 504.5ci / 8.3L |
| Bore/Stroke | 4.488x5.315inches / 114x 135 mm |
| Power | 275hp / 205.1kW |
| Air cleaner | dual paper elements |
| Compression | 17.1:1 |
| Rated RPM | 2000 |
| Torque | 1022 lb-ft /1385.8 Nm |
| Torque RPM | 1400 |
| Starter volts | 12 |
| Oil capacity | 25.2qts / 23.8L |
CASEIH STX275 ENGINE
The CaseIH STX275 tractor features a robust CDC 8.3L 6-cylinder diesel engine, providing substantial power for heavy-duty applications. Its large 200-gallon fuel tank enhances operational efficiency, allowing for extended run times between refueling, ideal for long-duration field tasks. However, the size and weight of the tractor may limit maneuverability in tighter spaces, necessitating careful planning for field layout and transport logistics.
| Description | CDC 8.3L 6-cyl diesel |
| Fuel tank | 200gal / 757.0L |
TRANSMISSIONS OVERVIEW
The CaseIH STX275 tractor features a 16-speed full power shift transmission, enabling seamless power transfer and optimal productivity in demanding agricultural tasks. In addition, the 24-speed fully synchronized option provides enhanced gear selection for varying operational conditions, improving fuel efficiency and reducing engine strain. This tractor is ideally suited for tasks requiring versatile speed management, such as tilling and planting across diverse terrains.
| Description | 16-speed full power shift 24-speed fully synchronized |
TRANSMISSION 1
The CaseIH STX275 features a full power shift transmission with 16 forward and 2 reverse gears, allowing seamless shifting under load for enhanced field productivity. The electro-hydraulic wet disc clutch provides superior durability and responsiveness, minimizing slippage and prolonging service life in demanding applications. This configuration is ideal for heavy tillage and transport tasks but may present challenges in operator training to fully utilize gear ranges efficiently.
| Type | full power shift |
| Gears | 16 forward and 2 reverse |
| Clutch | electro-hydraulic wet disc |
TRANSMISSION 2
The CaseIH STX275 tractor features a fully synchronized Synchroshift transmission, offering seamless gear transitions which enhance operator comfort and efficiency during field operations. With 24 forward and 6 reverse gears, it provides versatile speed options for various tasks, allowing for precision control in both planting and towing scenarios. However, the complexity of a fully synchronized system may require more maintenance and can lead to higher repair costs if issues arise.
| Transmission | Synchroshift |
| Type | fully synchronized |
| Gears | 24 forward and 6 reverse |
MECHANICAL
The CaseIH STX275 features a robust 4x4 articulated 4WD chassis, benefiting from enhanced traction and maneuverability in challenging terrain, which is ideal for heavy-duty farming applications. It incorporates inboard planetary final drives for improved weight distribution and stability while hydropneumatic power steering offers precise control and reduced driver fatigue. The 16-speed full power shift transmission enables seamless power delivery, but operators should be aware of potential learning curves associated with its complexity in high-load scenarios.
| Chassis | 4x4 articulated 4WD |
| Final drives | inboard planetary |
| 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 | 14500lbs / 6577kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 (1.75) |
DIMENSIONS
| Wheelbase | 139inches / 353cm/145inches / 368cm (ACCUSTEER) |
| Length | 295.5inches / 750cm |
| Width | 36.5inches / 92cm (frame) |
| Height | 145.2inches / 368cm |
| Front axle | 4.0 inch diameter /101 mm |
| Rear axle | 4.0 inch diameter /101 mm |
| Rear tread | 60 to 176inches / 152to 447 cm |
CASEIH STX275 WEIGHT
| Operating | 31785lbs / 14417kg |
| Max capacity | 33000lbs / 14968kg |
| Max Drawbar | 4500lbs / 2041kg/11000lbs / 4989kg *Drawbar at innermost position. |
DIMENSIONS & TIRES
The CaseIH STX275 tractor features an adjustable wheelbase, providing flexibility for various applications, with a maximum of 145 inches (368 cm) for enhanced stability during fieldwork. Weighing 31,785 lbs (14,417 kg), this machine offers substantial traction for heavy tillage and high-draught implements, although it may pose challenges in terms of soil compaction on softer terrains. The ACCUSTEER system potentially enhances maneuverability and control, making it suitable for precision farming tasks.
| Wheelbase | 139inches / 353cm/145inches / 368cm (ACCUSTEER) |
| Weight | 31785lbs / 14417kg |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Battery volts | 12 |