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Years in Production / 2002–2005
CaseIH
STX450QT
Explore the specifications, hardware, and original references for the CaseIH STX450QT.
450hp
Source index power
Tracks
Drive
2002–2005
Production years
CaseIH
Manufacturer
STX450QT / 01
At a glance
Overview
2002 - 2005
Steiger STX Series
Articulated Crawler tractor
Production
Articulated Crawler tractor
Built in Fargo, North Dakota, USA
- Manufacturer
- CaseIH
Mechanical
Integrated hydraulic wet disc brakes
Surveyor Cab standard.
- Drive
- articulated crawler
- Final Drives
- inboard planetary
- Steering
- hydrostatic power
Hydraulics
- Type
- pressure flow compensated (PFC)
- Pump Flow
- 40 gpm151.4 lpm
- Pump Flow
- 55 gpmOptOptional208.2 lpm
Hitch
- Rear Type
- IVN/III
- Rear Lift At24610mm
- 19500 lbs8845 kg
Pto
- Rear Pto
- independent OptOptional
- Rear Type
- 1000 (1.75)
- Engine Rpm
- 1000@1998
Electrical
- Ground
- negative
- Charging System
- alternator
- Battery Volts
- 12
STX450QT / 02
Under the hood
Engine Detail
Cummins QSX15
turbocharged aftercooled diesel
6-cylinder
liquid-cooled
- Displacement
- 912 ci14.9 L
- Bore Stroke
- 5.39x6.65 inches137 x 169 mm
- Power
- 450 hp335.6 kW
- Air Cleaner
- dual paper elements
- Compression Ratio
- 16.5:1
- Rated Rpm
- 2000
- Torque
- 1669 lb-ft2263.2 Nm
- Torque Rpm
- 1400
- Starter Volts
- 12
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
Cummins 14.9L 6-cyl diesel
- Fuel Tank
- 300 gal1135.5 L
STX450QT / 03
Gears & controls
Transmission
- Transmission Type
- full power shift
- Gears
- 16 forward and 2 reverse
- Clutch
- electro-hydraulic wet disc
Caseih Stx450qt Transmission
16-speed full power shift
STX450QT / 04
Size. Stance. Footprint.
Tires And Tracks
30-inch tracks
- Wheelbase
- 154 inches391 cm
- Weight
- 51335 lbs23285 kg
Tires And Tracks
- Width
- 30 inches76 cm
- Width
- 36 inches91 cm
STX450QT / 05
Tests (NTTL)
Oced Tractor Test1785
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.
- Max Power
- 450.29 hp335.8 kW
- Max Power
- 345.68 hp257.8 kW
- Fuel Use
- 22.3 gal/hour84.4 l/hour
- Fuel Use
- 22.0 gal/hour83.3 l/hour
- Fuel Use
- 22.1 gal/hour83.6 l/hour
- Power At Rated Engine Speed
- 399.14 hp297.6 kW
- Max Pull
- 38412 lbs17423 kg