CaseIH STX425QT Quadtrac

Last Updated: September 2024

Overview

The CaseIH STX425QT Quadtrac is a powerful 4WD tractor built for heavy-duty farming tasks. It features a unique Quadtrac system, which uses four tracks instead of wheels for better traction and less soil compaction. The tractor is equipped with a 16-speed forward and 2-speed reverse full power shift transmission, making it easy to change gears for different jobs.

Under the hood, the STX425QT boasts a Cummins QSX15 engine. This 6-cylinder diesel engine is turbocharged and aftercooled, providing an impressive 425 horsepower. It has a large displacement of 915 cubic inches, which is above average for tractors in its class. The engine is liquid-cooled to keep it running smoothly even during long workdays. With its 44-inch wide frame and heavy operating weight of 53,264 pounds, this tractor is built to handle tough field conditions. It also features a rear hitch with category IVN/III compatibility and a pressure flow compensated hydraulic system for efficient implement control.
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Key Specifications

Power Output: 425 hp (316.9 kW)

Transmission: Full power shift

Drive Type: 4WD

Operating Weight: 53264 lb (24160 kg)

Fuel Type: Diesel

CaseIH STX425QT Quadtrac vs. Similar Tractors

Power Output

The Power Output for the CaseIH STX425QT Quadtrac is Excellent. It is greater than 98% of similar Utility tractors in our database.

Horsepower distribution of Utility tractors

(across 6.6K+ tractors in our database)

Operating Weight

The Operating Weight for the CaseIH STX425QT Quadtrac is Excellent. It is greater than 100% of similar Utility tractors in our database.

Operating weight distribution of Utility tractors

(across 6.4K+ tractors in our database)

Engine Displacement

The Engine Displacement for the CaseIH STX425QT Quadtrac is Excellent. It is greater than 99% of similar Utility tractors in our database.

Engine displacement distribution of Utility tractors

(across 1K+ tractors in our database)

Engine Rated RPM

The Engine Rated RPM for the CaseIH STX425QT Quadtrac is Below Average. It is greater than 11% of similar Utility tractors in our database.

Engine rated RPM distribution of Utility tractors

(across 1K+ tractors in our database)

Technical Specifications

Engine

Manufacturer
Cummins
Model
QSX15
Cooling Type
Liquid-cooled
Fuel Type
Diesel
Induction Type
Turbocharged aftercooled
Cylinders
6
Displacement
915 ci (15.0 L)
Bore
5.39 in (136.9 mm)
Stroke
6.65 in (168.9 mm)
Rated RPM
2000
Power Output
425 hp (316.9 kW)

Transmission

Drivetrain