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CaseIH STX450QT Quadtrac Specs ( 2002-2005 )

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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 5.39x6.65 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 450 hp (335.6 kW)
Rated RPM 2000
Starter volts 12
Torque 1669 lb-ft (2263.2 Nm)
Torque RPM 1400
Drawbar (tested) 345.68 hp (257.8 kW)
PTO (claimed) 395 hp (294.6 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)
Type pressure flow compensated (PFC)

Hitch

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

PTO

Engine RPM 1000@1998
Rear PTO independent OptOptional
Rear PTO Type 1000 (1.75)

Electrical

Battery volts 12
Charging system alternator
Ground negative

Dimensions & Tires

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

CaseIH STX450QT Tracks

Width 30 inches (76 cm) / 36 inches (91 cm)

CaseIH STX450QT Weight

Max capacity 53264 lbs (24160 kg)
Max Drawbar 5300 lbs (2404 kg)
Operating 51335 lbs (23285 kg)

Dimensions & Tracks

Description 30-inch tracks
Weight 51335 lbs (23285 kg)
Wheelbase 154 inches (391 cm)

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. / Gear 3 used for pull 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)
Max pull 38412 lbs (17423 kg)
Power at rated engine speed 399.14 hp (297.6 kW)

References

Description STX Series Steiger Tractors published in 2002, by CaseIH* / *Publication contains known errors.

Variants

STX450 wheeled tractor
STX450QT crawler tractor