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CaseIH STX375QT Quadtrac

The CaseIH STX375QT Quadtrac is an articulated crawler tractor produced from 2002 to 2005 as part of the Steiger STX Series. It features a powerful Cummins QSX15 15.0L 6-cylinder turbocharged aftercooled diesel engine delivering 375 hp (279.6 kW) with a 16-speed full power shift transmission. Designed for heavy-duty farming tasks, it includes hydrostatic power steering, integrated hydraulic wet disc brakes, and a Surveyor Cab as standard. The tractor offers advanced hydraulics with pressure flow compensated system and optional pump flow rates. It runs on 30 or 36 inch wide tracks and has a maximum operating weight capacity of 53264 lbs (24160 kg). The STX375QT is built in Fargo, North Dakota, USA, and is part of a series including the STX380QT and STX425QT models.
CaseIHSTX375QTQuadtracarticulated crawler tractorCummins QSX15375 hpfarm tractortractor specifications
Power-
Founded-
ModelSTX375QT

Technical Specifications

Detailed specifications and technical data for CaseIH STX375QT Quadtrac

Power

Engine power:375 hp (279.6 kW)
PTO (claimed):330 hp (246.1 kW)

Engine

Type:turbocharged aftercooled diesel
Model:Cummins QSX15
Power:375 hp (279.6 kW)
Torque:1380 lb-ft (1871.3 Nm)
Cooling:liquid-cooled
Cylinders:6-cylinder
Fuel tank:300 gal (1135.5 L)
Rated RPM:2000
Torque RPM:1400
Air cleaner:dual paper elements
Bore/Stroke:5.39x6.65 inches (137 x 169 mm)
Displacement:915 ci (15.0 L)
Starter volts:12

Tracks

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

Weight

Max Drawbar:5300 lbs (2404 kg)
Max capacity:53264 lbs (24160 kg)
Optional weight:11000 lbs (4989 kg)

Variants

STX375:wheeled tractor
STX375QT:crawler tractor

Dimensions

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

Electrical

Ground:negative
Battery volts:12
Charging system:alternator

Hydraulics

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

Mechanical

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

Production

Type:Articulated Crawler tractor
Series:Steiger STX Series
Built in:Fargo, North Dakota, USA
Years produced:2002 - 2005

Transmission

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

Tractor hitch

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

Power Take-off (PTO)

Rear PTO:independent (Optional)
Rear PTO Type:1000 (1.75)

Related Models

CaseIH STX380QT Quadtrac

Model:STX380QT

CaseIH STX425QT Quadtrac

Model:STX425QT