CaseIH STX450QT tractor specifications

2002 - 2005

2002 - 2005 Steiger STX SeriesArticulated Crawler tractor

Production

Production Manufacturer:CaseIH
Type:Articulated Crawler tractor
Factory:Fargo, North Dakota, USA

Variants

Variants STX450:wheeled tractor
STX450QT:crawler tractor

2002 - 2005

Steiger STX Series

Four-wheel Drive (4WD) tractor

Production

Production
Manufacturer:	CaseIH
Type:	Four-wheel Drive (4WD) tractor
Factory:	Fargo, North Dakota, USA
The New Holland TJ450 is the same as the CaseIH STX450.

Variants

Variants
STX450:	wheeled tractor
STX450QT:	crawler tractor
CaseIH STX450

CaseIH STX450 Power

CaseIH STX450 Power
Engine:	450 hp 335.6 kW
Drawbar (claimed):	360 hp 268.5 kW
PTO (claimed):	395 hp 294.6 kW
Drawbar (tested):	371.35 hp 276.9 kW
PTO (tested):	454.23 hp 338.7 kW
power test details ...

CaseIH STX450 Engine

CaseIH STX450 Engine
Cummins 14.9L 6-cyl diesel
Fuel tank:	300 gal 1135.5 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x4 articulated 4WD
Final drives:	compound planetary
Steering:	hydrostatic power
Brakes:	integrated hydraulic wet disc
Cab:	Surveyor Cab standard.
Transmission:	16-speed full power shift
Transmission details ...

Hydraulics

Hydraulics
Type:	pressure flow compensated (PFC)
Rear valves:	4 to 7
Pump flow:	40 gpm 151.4 lpm
	55 gpm 208.2 lpm *Optional

Tractor hitch

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

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent*Optional
Rear RPM:	1000 (1.75)

Dimensions & Tires

Dimensions & Tires
Wheelbase:	154 inches 391 cm
Weight:	39325 lbs 17837 kg
Full dimensions and tires ...

Electrical

Electrical
Ground:	negative
Charging system:	alternator
Battery volts:	12

CaseIH STX450QT Power

CaseIH STX450QT Power Engine:450 hp
335.6 kW
PTO (claimed):395 hp
294.6 kW
Drawbar (tested):345.68 hp
257.8 kW
PTO (tested):450.29 hp
335.8 kW
power test details ...

2002 - 2005

Steiger STX Series

Articulated Crawler tractor

OCED Tractor Test 1785

OCED Tractor Test 1785
Diesel 16-speed Crawler October 4 - 19, 2000 Link: OCED Tractor Test 1785 file
PTO performance
Max power:	450.29 hp 335.8 kW
Fuel use:	22.3 gal/hour 84.4 l/hour
Power at rated engine speed:	399.14 hp 297.6 kW
Fuel use:	22.0 gal/hour 83.3 l/hour
Drawbar performance
Max power:	345.68 hp 257.8 kW
Fuel use:	22.1 gal/hour 83.6 l/hour
Gear 4 used for power test.
Max pull:	38412 lbs 17423 kg
Gear 3 used for pull test.

CaseIH STX450QT Engine

CaseIH STX450QT Engine Cummins 14.9L 6-cyl diesel Fuel tank:300 gal
1135.5 L
Engine details ...

2002 - 2005

Steiger STX Series

Articulated Crawler tractor

Engine Detail

Engine Detail
Cummins QSX15
turbocharged aftercooled diesel
6-cylinder
liquid-cooled
Displacement:	912 ci 14.9 L
Bore/Stroke:	5.39x6.65 inches 137 x 169 mm
Power:	450 hp 335.6 kW
Air cleaner:	dual paper elements
Compression:	16.5:1
Rated RPM:	2000
Torque:	1669 lb-ft 2263.2 Nm
Torque RPM:	1400
Starter volts:	12

Mechanical

Mechanical Chassis:articulated crawler
Final drives:inboard planetary
Steering:hydrostatic power
Brakes:integrated hydraulic wet disc
Cab:Surveyor Cab standard.
Transmission:16-speed full power shift
Transmission details ...