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STX425QT Quadtrac

CaseIH STX425QT Quadtrac

Last Updated: June 2024

Overview

The CaseIH STX425QT Quadtrac is a powerful 4WD tractor powered by a 425 hp Cummins QSX15 engine. The engine is a turbocharged, aftercooled, 6-cylinder, liquid-cooled diesel with a displacement of 915 cubic inches. The tractor utilizes a full power shift transmission allowing 16 forward gears and 2 reverse gears, controlled by an electro-hydraulic wet disc clutch. The steering is hydrostatic power, allowing for easy and precise control.

Key Specifications

Power Output: 425

Transmission: Full power shift

Drive Type: 4WD

Operating Weight: 53264

Fuel Type: Diesel

Image Gallery

CaseIH STX425QT Quadtrac Tractor

Technical Specifications

Engine

Manufacturer: Cummins
Model: QSX15
Cooling Type: Liquid-cooled
Cylinder Orientation: -
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged aftercooled
Cylinders: 6
Displacement (ci): 915
Bore (in): 5.39
Stroke (in): 6.65
Rated RPM: 2000
Power Output (hp): 425

Transmission

Type: Full power shift
Forward Gears: 16
Reverse Gears: 2
Total Gears: -

Dimensions

Length (in): -
Width (in): 44 (frame)
Height (in): -
Operating Weight (lb): 53264

Power Take-Off (PTO)

PTO Type: -
PTO Speed 1 (rpm): -
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x4 (Quadtrac)
Drive Type: 4WD
Steering Type: Hydrostatic power
Coolant Capacity (qts): -
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: -
Manufacture - End Year: -
Hitch Type: -
Hitch Category: IVN/III
Hitch Position: Rear
Hitch Capacity (lb): -
Operator Station Type: -
Starter Type: Electric, 12 volts
Brake Type: -
Hydraulic System Type: Pressure flow compensated (PFC)