CaseIH STX440
The CaseIH STX440 is a four-wheel drive (4WD) tractor introduced in 2001 as part of the Steiger STX Series. It is built in Fargo, North Dakota, USA. The tractor features a powerful Cummins QSX15 14.9L 6-cylinder turbocharged aftercooled diesel engine producing 440 hp (328.1 kW). It has a 16-speed full power shift transmission with electro-hydraulic wet disc clutch. The STX440 offers advanced mechanical features including compound planetary final drives, hydrostatic power steering, and integrated hydraulic wet disc brakes. The tractor is equipped with a Surveyor Cab as standard. Hydraulics include a closed center load sensing system with 4 to 7 rear valves and pump flow options of 40 gpm or 55 gpm. The rear hitch is type IVN with a lift capacity of 19500 lbs at 24 inches. The rear PTO is independent and optional with a 1000 rpm type. Dimensions include a 154 inch wheelbase and 44 inch frame width. Operating weight is 39325 lbs, ballasted weight 44560 lbs, and max capacity 52800 lbs. Tires are 20.8R42 front and rear. Electrical system features negative ground, alternator charging, two 12 volt batteries. The STX440 is related to the STX450 model produced from 2002 to 2005.
Power440 hp
Founded2001
ModelSTX440
Technical Specifications
Detailed specifications and technical data for CaseIH STX440
Power
| Engine power | 440 hp (328.1 kW) |
|---|---|
| PTO (tested) | 454.23 hp (338.7 kW) |
| Drawbar (tested) | 371.35 hp (276.9 kW) |
Tires
| Ag rear | 20.8R42 |
|---|---|
| Ag front | 20.8R42 |
Engine
| Type | turbocharged aftercooled diesel |
|---|---|
| Model | Cummins QSX15 |
| Power | 440 hp (328.1 kW) |
| Torque | 1650 lb-ft (2237.4 Nm) |
| Cooling | liquid-cooled |
| Cylinders | 6-cylinder |
| Fuel tank | 300 gal (1135.5 L) |
| Rated RPM | 2000 |
| Torque RPM | 1400 |
| Air cleaner | dual paper elements |
| Bore/Stroke | 5.394x6.654 inches (137 x 169 mm) |
| Compression | 16.5:1 |
| Displacement | 912 ci (14.9 L) |
| Starter volts | 12 |
Weight
| Ballasted | 44560 lbs (20212 kg) |
|---|---|
| Operating | 39325 lbs (17837 kg) |
| Max capacity | 52800 lbs (23950 kg) |
Dimensions
| Width | 44 inches (frame) (111 cm) |
|---|---|
| Rear axle | 4.5 inch diameter (114 mm) |
| Wheelbase | 154 inches (391 cm) |
Electrical
| Ground | negative |
|---|---|
| Batteries | 2 |
| Battery volts | 12 |
| Charging system | alternator |
Hydraulics
| Type | closed center load sensing |
|---|---|
| Pump flow | 40 gpm (151.4 lpm) |
| Rear valves | 4 to 7 |
| Optional pump flow | 55 gpm (208.2 lpm) |
Mechanical
| Cab | Surveyor Cab standard |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Integrated hydraulic wet disc brakes |
| Steering | hydrostatic power |
| Final drives | compound planetary |
Production
| Type | Four-wheel Drive (4WD) tractor |
|---|---|
| Built in | Fargo, North Dakota, USA |
| Manufacturer | CaseIH |
| Year introduced | 2001 |
Transmission
| Type | full power shift |
|---|---|
| Gears | 16 forward and 2 reverse |
| Clutch | electro-hydraulic wet disc |
Tractor hitch
| Rear Type | IVN |
|---|---|
| Rear lift (at 24"/610mm) | 19500 lbs (8845 kg) |
Power Take-off (PTO)
| Rear PTO | independent (Optional) |
|---|---|
| Rear PTO Type | 1000 |
