CaseIH

CaseIH STX480QT Quadtrac

The CaseIH STX480QT Quadtrac is a 2006 articulated crawler tractor from the Quadtrac Series built in Fargo, North Dakota, USA. It features a Cummins 14.9L 6-cylinder turbocharged diesel engine producing 480 hp, paired with a 16-speed full power shift transmission. The tractor has articulated crawler drive with offset 3-planetary final drives and hydrostatic power steering. It includes integrated hydraulic wet disc brakes and a Surveyor cab with air-conditioning, with an optional luxury cab available. The STX480QT offers multiple hydraulic pump flow options and a rear IVN hitch with a lift capacity of 19728 lbs at 24 inches. It has a wheelbase of 154 inches and max weight of 54000 lbs. Track width options include 30 and 36 inches. Variants include the wheeled STX480 and crawler STX5480QT. Related models are the STX430QT, STX530QT, and the earlier STX450QT (2002-2005).

Power-

Founded-

ModelSTX480QT

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Technical Specifications

Detailed specifications and technical data for CaseIH STX480QT Quadtrac

Power

Engine	480 hp (357.9 kW)
PTO (claimed)	425 hp (316.9 kW)

Engine

Type	turbocharged diesel
Model	Cummins QSX15
Power	480 hp (357.9 kW)
Cooling	liquid-cooled
Cylinders	6-cylinder 24-valve
Fuel tank	300 gal (1135.5 L)
Rated RPM	2000
Bore/Stroke	5.394x6.654 inches (137 x 169 mm)
Displacement	912 ci (14.9 L)
Starter volts	24

Tracks

Width options	30 inches (76 cm), 36 inches (91 cm)

Variants

STX480	wheeled tractor
STX5480QT	crawler

Dimensions

Wheelbase	154 inches (391 cm)
Max weight	54000 lbs (24494 kg)

Electrical

Ground	negative
Battery volts	12

Hydraulics

Type	pressure flow compensated
Pump flow	40 gpm (151.4 lpm), 55 gpm (High-Flow) (208.2 lpm), 90 gpm (Twin-Flow) (340.7 lpm)

Mechanical

Cab	Surveyor cab standard with air-conditioning. Optional luxury cab with leather trim and seating.
Drive	articulated crawler
Brakes	Integrated hydraulic wet disc brakes
Steering	hydrostatic power
Final drives	offset 3-planetary

Production