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CaseIH STX440QT Quadtrac Specs

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Production

Description Articulated Crawler tractor / Built in Fargo, North Dakota, USA
Manufacturer CaseIH

Engine

Engine type Cummins 14.9L 6-cyl diesel
Fuel tank 300 gal (1135.5 L)
Air cleaner dual paper elements
Bore/Stroke 5.394x6.654 inches (137 x 169 mm)
Compression 16.5:1
Description Cummins QSX15 / turbocharged aftercooled diesel / 6-cylinder / liquid-cooled
Displacement 912 ci (14.9 L)
Power 440 hp (328.1 kW)
Rated RPM 2000
Starter volts 12
Torque 1650 lb-ft (2237.4 Nm)
Torque RPM 1400
Drawbar (tested) 345.68 hp (257.8 kW)
PTO (tested) 450.29 hp (335.8 kW)

Transmission

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

Mechanical

Cab Surveyor Cab standard.
Description Integrated hydraulic wet disc brakes
Drive articulated crawler
Final drives inboard planetary
Steering hydrostatic power

Hydraulics

Pump flow 40 gpm (151.4 lpm)
Rear valves 4 to 7
Type closed center load sensing

Hitch

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

PTO

Rear PTO independent OptOptional
Rear PTO Type 1000

Electrical

Batteries 2
Battery volts 12
Charging system alternator
Ground negative

Dimensions & Tires

Max weight 53264 lbs (24160 kg)
Operating weight 51335 lbs (23285 kg)
Rear axle 4.5 inch diameter (114 mm)
Width 44 inches (frame) (111 cm)

Dimensions & Tracks

Description Tracks
Weight 51335 lbs (23285 kg)

OCED Tractor Test 1785

Description Diesel 16-speed CrawlerOctober 4 - 19, 2000Link: OCED Tractor Test 1785 file / PTO performance / Drawbar performance / Gear 4 used for power test.
Fuel use 22.3 gal/hour (84.4 l/hour) / 22.0 gal/hour (83.3 l/hour) / 22.1 gal/hour (83.6 l/hour)
Max power 450.29 hp (335.8 kW) / 345.68 hp (257.8 kW)
Power at rated engine speed 399.14 hp (297.6 kW)

References

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