| Manufacturer | CaseIH |
| Price | - |
| Model | STX325 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Fargo, North Dakota, USA |
NEBRASKA TRACTOR TEST 1797
| Description | Diesel 16-speed 4WD October 4 - 12, 2001 Link: Nebraska Tractor Test 1797 file PTO performance Drawbar performance Gear 5 used for power test |
| Max power | 260.87hp / 194.5kW |
| Fuel use | 16.3gal/hour / 61.7l/hour |
| Power at rated engine speed | 291.80hp / 217.6kW |
CASEIH STX325 POWER
| Engine | 325hp / 242.4kW |
| Drawbar (claimed) | 240hp / 179.0kW |
| PTO (claimed) | 270hp / 201.3kW |
| Drawbar (tested) | 260.87hp / 194.5kW |
| PTO (tested) | 320.75hp / 239.2kW |
ENGINE DETAIL
The CaseIH STX325 is powered by a robust CDC turbocharged aftercooled diesel engine, featuring high torque output (1150 lb-ft at 1400 RPM) that ensures efficient performance in heavy-duty applications like tillage and hauling. With a significant displacement of 8.9L and a compression ratio of 16.5:1, this tractor offers enhanced fuel efficiency and power delivery, albeit with potential challenges in maintenance due to its complexity. The oil capacity of 29.2 quarts indicates substantial lubrication needs, making regular oil changes essential for optimal engine longevity and performance.
| Description | CDC turbocharged aftercooled diesel 6-cylinder liquid-cooled |
| Displacement | 540ci / 8.9L |
| Bore/Stroke | 4.488x5.689inches / 114x 145 mm |
| Power | 325hp / 242.4kW |
| Air cleaner | dual paper elements |
| Compression | 16.5:1 |
| Rated RPM | 2000 |
| Torque | 1150 lb-ft /1559.4 Nm |
| Torque RPM | 1400 |
| Starter volts | 12 |
| Oil capacity | 29.2qts / 27.6L |
CASEIH STX325 ENGINE
The CaseIH STX325 features a robust CDC 8.9L 6-cylinder diesel engine, providing substantial power for heavy-duty agricultural tasks. Its 200-gallon fuel tank maximizes operational range, enhancing productivity by reducing downtime for refueling during extended fieldwork. However, the considerable weight and size of this tractor may pose maneuverability challenges in tighter farming environments.
| Description | CDC 8.9L 6-cyl diesel |
| Fuel tank | 200gal / 757.0L |
TRANSMISSIONS OVERVIEW
The CaseIH STX325 features a 16-speed full power shift transmission, providing seamless gear transitions under load, enhancing productivity on varied terrains. The option for a 24-speed fully synchronized transmission allows for finer speed adjustments and improved control during precision tasks, making it suitable for both heavy-duty fieldwork and delicate applications. However, the complexity of the transmission systems may increase maintenance requirements and operational learning curves for operators.
| Description | 16-speed full power shift 24-speed fully synchronized |
TRANSMISSION 1
The CaseIH STX325 employs a full power shift transmission, allowing seamless gear changes across 16 forward and 2 reverse options, enhancing operational efficiency for heavy-duty tasks. Its electro-hydraulic wet disc clutch provides smoother engagement and better durability under load, but may require specific maintenance practices to ensure performance longevity. Ideal for large-scale agricultural operations, this setup maximizes power transfer while minimizing operator fatigue in demanding conditions.
| Type | full power shift |
| Gears | 16 forward and 2 reverse |
| Clutch | electro-hydraulic wet disc |
TRANSMISSION 2
The CaseIH STX325 features a fully synchronized Synchroshift transmission, providing smoother gear transitions and enhancing operator control during operation. With 24 forward and 6 reverse gears, it offers versatile speed options for various field applications, optimizing both efficiency and power management. However, the complexity of the synchroshift system may present maintenance challenges over time, necessitating careful monitoring and servicing to ensure reliable performance.
| Transmission | Synchroshift |
| Type | fully synchronized |
| Gears | 24 forward and 6 reverse |
MECHANICAL
The CaseIH STX325 features a 4x4 articulated 4WD chassis, offering enhanced maneuverability and stability in diverse agricultural applications. Its inboard planetary final drives provide increased durability and efficiency, suitable for heavy-duty tasks. The tractor's integrated hydraulic wet disc brakes ensure reliable stopping power, while the 16-speed full power shift transmission allows for optimal performance and responsiveness, making it ideal for both tillage and transport 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 STX325 WEIGHT
| Operating | 31925lbs / 14481kg |
| Max capacity | 39000lbs / 17690kg |
| Max Drawbar | 4500lbs / 2041kg/11000lbs / 4989kg *Drawbar at innermost position. |
DIMENSIONS & TIRES
The CaseIH STX325 tractor features a wheelbase of 139 inches, providing stability for heavy-duty field operations, while the optional ACCUSTEER configuration extends this to 145 inches, enhancing maneuverability. Weighing 31,925 lbs, it offers substantial traction for demanding tasks, though this mass can pose challenges in wet or soft soil conditions. Ideal for large-scale farming, its design supports high horsepower applications and can efficiently handle tillage, planting, and hauling operations.
| Wheelbase | 139inches / 353cm/145inches / 368cm (ACCUSTEER) |
| Weight | 31925lbs / 14481kg |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Battery volts | 12 |