CaseIH STX440

The CaseIH STX440 is a tractor produced by Caseih. It is equipped with a 912 ci 14.9 L engine. The rated power output is 440 hp 328.1 kW. Transmission: 16 forward and 2 reverse. Operating weight: 39325 lbs 17837 kg.

Overview

	2001 Steiger STX SeriesFour-wheel Drive (4WD) tractor
2001
Steiger STX Series
Four-wheel Drive (4WD) tractor

Production
Manufacturer	CaseIH
Four-wheel Drive (4WD) tractor
Built in Fargo, North Dakota, USA

CaseIH STX440 Engine
Cummins 14.9L 6-cyl diesel
Fuel tank	300 gal 1135.5 L
Engine details ...

CaseIH STX440 Transmission
16-speed full power shift
Transmission details ...

CaseIH STX440 Power
Engine	440 hp 328.1 kW
Drawbar (tested)	371.35 hp 276.9 kW
PTO (tested)	454.23 hp 338.7 kW
Performance test details ...

Mechanical
Four-wheel drive
Final drives	compound planetary
Steering	hydrostatic power
Integrated hydraulic wet disc brakes
Surveyor Cab standard.

Hydraulics
Type	closed center load sensing
Rear valves	4 to 7
Pump flow	40 gpm 151.4 lpm
	55 gpmOptOptional 208.2 lpm

Tractor hitch
Rear Type	IVN
Rear lift (at 24"/610mm)	19500 lbs 8845 kg

Power Take-off (PTO)
Rear PTO	independent OptOptional
Rear PTO Type	1000

Dimensions & Tires
Wheelbase	154 inches 391 cm
Weight	39325 lbs 17837 kg
Front tire	20.8R42
Rear tire	20.8R42
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Batteries	2
Battery volts	12

References
STX Series Steiger Tractors published in 2000, by CaseIH*
*Publication contains known errors.

Engine

Engine Detail — 912 ci / 14.9 L Diesel

Manufacturer	Cummins QSX15
Configuration	turbocharged aftercooled diesel, 6-cylinder, liquid-cooled
Displacement	912 ci 14.9 L
Bore/Stroke	5.394x6.654 inches 137 x 169 mm
Power	440 hp 328.1 kW
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

Transmission

Transmission — 16 forward and 2 reverse full power shift

Type	full power shift
Gears	16 forward and 2 reverse
Clutch	electro-hydraulic wet disc

Dimensions

CaseIH STX440 Tires
Ag front	20.8R42
Ag rear	20.8R42

Dimensions
Wheelbase	154 inches 391 cm
Width	44 inches (frame) 111 cm
Rear axle	4.5 inch diameter 114 mm

CaseIH STX440 Weight
Operating	39325 lbs 17837 kg
Ballasted	44560 lbs 20212 kg
Max capacity	52800 lbs 23950 kg

Tests

OCED Tractor Test 1784
Diesel 16-speed 4WD October 11, 2000 - October 19;2000, Link: OCED Tractor Test 1784 file
PTO performance
Max power	454.23 hp 338.7 kW
Fuel use	22.8 gal/hour 86.3 l/hour
Power at rated engine speed	400.64 hp 298.8 kW
Fuel use	22.1 gal/hour 83.6 l/hour
Drawbar performance
Max power	371.35 hp 276.9 kW
Fuel use	21.8 gal/hour 82.5 l/hour
Gear 4 used for power test.
Max pull	44,525 lbs 20196 kg
Gear 3 used for pull test.

Photos

Case IH Steiger STX 440 Quadtrack, left side.

Case IH Steiger STX 440 Quadtrack, right side.