| Manufacturer | CaseIH |
| Price | - |
| Model | STX440 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Fargo, North Dakota, USA |
OCED TRACTOR TEST 1784 2
| Description | Diesel 16-speed 4WD October 11, 2000 - October 19;2000, Link: OCED Tractor Test 1784 file PTO performance Drawbar performance Gear 4 used for power test. Gear 3 used for pull test |
| Max power | 371.35hp / 276.9kW |
| Fuel use | 21.8gal/hour / 82.5l/hour |
| Power at rated engine speed | 400.64hp / 298.8kW |
| Max pull | 44,525lbs / 20196kg |
CASEIH STX440 POWER
| Engine | 440hp / 328.1kW |
| Drawbar (tested) | 371.35hp / 276.9kW |
| PTO (tested) | 454.23hp / 338.7kW |
ENGINE DETAIL
The CaseIH STX440, equipped with a Cummins QSX15 engine, delivers significant power output of 440 hp, making it suitable for heavy-duty agricultural applications. With a high torque rating of 1650 lb-ft at just 1400 RPM, it provides excellent pulling capabilities, particularly beneficial for demanding tasks like plowing or tillage. However, the large 14.9L displacement may lead to higher fuel consumption, which could be a cost consideration in long-duration operations.
| Description | Cummins QSX15 turbocharged aftercooled diesel 6-cylinder liquid-cooled |
| Displacement | 912ci / 14.9L |
| Bore/Stroke | 5.394x6.654inches / 137x 169 mm |
| Power | 440hp / 328.1kW |
| Air cleaner | dual paper elements |
| Compression | 16.5:1 |
| Rated RPM | 2000 |
| Torque | 1650 lb-ft /2237.4 Nm |
| Torque RPM | 1400 |
| Starter volts | 12 |
CASEIH STX440 ENGINE
The CaseIH STX440 is powered by a robust Cummins 14.9L 6-cylinder diesel engine, delivering high torque ideal for heavy-duty applications. Its substantial 300-gallon fuel tank allows for extended operational time, reducing the frequency of refueling during long tasks in the field. However, the significant weight and size of the tractor may pose challenges in maneuverability in smaller fields or tight spaces.
| Description | Cummins 14.9L 6-cyl diesel |
| Fuel tank | 300gal / 1135.5L |
TRANSMISSION
The CaseIH STX440 features a full power shift transmission, providing seamless gear transitions with 16 forward and 2 reverse speeds, enhancing operational efficiency in varied field conditions. The electro-hydraulic wet disc clutch ensures reliable engagement and disengagement under heavy loads, minimizing wear and extending service life. However, the complexity of the system may require specialized maintenance, potentially increasing long-term ownership costs.
| Type | full power shift |
| Gears | 16 forward and 2 reverse |
| Clutch | electro-hydraulic wet disc |
MECHANICAL
The CaseIH STX440 features a robust 4x4 articulated chassis, providing superior maneuverability and traction in diverse terrains. Its compound planetary final drives offer enhanced torque distribution, making it ideal for heavy-duty applications like soil tillage or large-scale planting. Advantages of the hydrostatic power steering and integrated hydraulic wet disc brakes include improved control and safety, especially in challenging conditions, ensuring efficient operation during prolonged work hours.
| Chassis | 4x4 articulated 4WD |
| Final drives | compound planetary |
| Steering | hydrostatic power |
| Brakes | integrated hydraulic wet disc |
| Cab | Surveyor Cab standard. |
| Transmission | 16-speed full power shift |
HYDRAULICS
| Type | closed center load sensing |
| Rear valves | 4 to 7 |
| Pump flow | 40gpm / 151.4lpm/55gpm / 208.2lpm |
TRACTOR HITCH
| Rear Type | IVN |
| Rear lift (at 24 | 19500lbs / 8845kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 |
CASEIH STX440 TIRES
The CaseIH STX440 tractor, equipped with 20.8R42 tires both front and rear, offers increased traction and stability, ideal for heavy tillage and fieldwork scenarios. Its high power output and robust design can handle demanding applications, but it may face challenges in maneuverability in tighter spaces due to its larger footprint. Ensure proper tire pressure maintenance for optimal performance and fuel efficiency during operations.
| Ag front | 20.8R42 |
| Ag rear | 20.8R42 |
DIMENSIONS
| Wheelbase | 154inches / 391cm |
| Width | 44inches / 111cm (frame) |
| Rear axle | 4.5 inch diameter /114 mm |
CASEIH STX440 WEIGHT
| Operating | 39325lbs / 17837kg |
| Ballasted | 44560lbs / 20212kg |
| Max capacity | 52800lbs / 23950kg |
DIMENSIONS & TIRES
The CaseIH STX440 features a substantial wheelbase of 154 inches (391 cm), enhancing stability and traction in challenging terrains, making it ideal for heavy tillage and big field operations. With a weight of 39,325 lbs (17,837 kg) and equipped with 20.8R42 tires, this tractor provides excellent flotation and reduced soil compaction, beneficial for sensitive soil conditions. However, its significant weight may pose challenges in transportation and maneuverability in confined spaces or on inclines.
| Wheelbase | 154inches / 391cm |
| Weight | 39325lbs / 17837kg |
| Front tire | 20.8R42 |
| Rear tire | 20.8R42 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Batteries | 2 |
| Battery volts | 12 |