Brand siblingCaseIH STX375QT Quadtrac
The CaseIH STX375QT Quadtrac is a powerful and versatile tractor designed for heavy-duty farming tasks. It features a unique quad track system instead of traditional wheels, providing excellent traction and stability in various field conditions. The tractor is powered by a robust Cummins QSX15 engine, which delivers an impressive 375 horsepower at 2000 RPM. This liquid-cooled, turbocharged diesel engine has 6 cylinders and a large displacement of 915 cubic inches, making it well-suited for demanding agricultural work. The STX375QT Quadtrac comes equipped with a full power shift transmission, offering 16 forward gears and 2 reverse gears for flexible operation. Its hydrostatic power steering ensures easy maneuverability despite its large size. The tractor's hydraulic system uses pressure flow compensation technology, allowing for efficient implement control. With an operating weight of 53,264 pounds and a frame width of 44 inches, this tractor is built to handle heavy loads and wide implements. The hitch is compatible with both category IVN and III implements, adding to its versatility. For farmers looking for a high-performance tractor with excellent traction and power, the CaseIH STX375QT Quadtrac is a strong contender.

Quick specs
- Category
- Articulated
- Engine Power Output
- 375hp
- Operating Weight
- 53,264 lb
- Transmission
- Full Power Shift
At a glance
How the STX375QT Quadtrac compares
vs. Articulated medianDistribution
Engine Power (hp)
Across all Articulated tractors
This model
The STX375QT Quadtrac ranks at the 27th percentile for engine power among recorded articulated tractors.
Overview
About the CaseIH STX375QT Quadtrac
The CaseIH STX375QT Quadtrac is a powerful and versatile tractor designed for heavy-duty farming tasks. It features a unique quad track system instead of traditional wheels, providing excellent traction and stability in various field conditions. The tractor is powered by a robust Cummins QSX15 engine, which delivers an impressive 375 horsepower at 2000 RPM. This liquid-cooled, turbocharged diesel engine has 6 cylinders and a large displacement of 915 cubic inches, making it well-suited for demanding agricultural work. The STX375QT Quadtrac comes equipped with a full power shift transmission, offering 16 forward gears and 2 reverse gears for flexible operation. Its hydrostatic power steering ensures easy maneuverability despite its large size. The tractor's hydraulic system uses pressure flow compensation technology, allowing for efficient implement control. With an operating weight of 53,264 pounds and a frame width of 44 inches, this tractor is built to handle heavy loads and wide implements. The hitch is compatible with both category IVN and III implements, adding to its versatility. For farmers looking for a high-performance tractor with excellent traction and power, the CaseIH STX375QT Quadtrac is a strong contender.
Full specifications
Every recorded spec
General
| Manufacturer | CaseIH |
|---|---|
| Model | STX375QT Quadtrac |
| Category | Articulated tractor |
| Type | 4X4 |
| Operating weight | 53,264lb |
Engine
| Make | Cummins |
|---|---|
| Model | QSX15 |
| Power | 375hp |
| Cylinders | 6 |
| Displacement | 915ci |
| Bore | 5.39in |
| Stroke | 6.65in |
Transmission
| Type | Full Power Shift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4X4 |
|---|---|
| Drive | Quad Track |
| Steering | Hydrostatic Power |
Hydraulics
| Type | Pressure Flow Compensated |
|---|
Dimensions
| Width | 44in |
|---|---|
| Operating weight | 53,264lb |
Head to head
STX375QT Quadtrac vs. Articulated median
How the CaseIH STX375QT Quadtrac compares to other Articulated tractors
| Spec | This model | Articulated median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 375 hp | 450 hp | -17% | 27th |
| Engine Displacement | 915 ci | 827 ci | +11% | 78th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 16 | 16 | at median | 50th |
| Operating Weight | 53,264 lb | 51,335 lb | +4% | 57th |
| Width | 44 in | 100 in | -56% | 29th |
Medians and percentiles are computed from the articulated tractors in our database with a recorded value for each spec (sample sizes 41–62 models).
Compare to tractors with similar specs
Commonly compared CaseIH tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| CaseIH STX380QT Quadtrac | 380 hp | 54,000 lb | — | Compare → |
| CaseIH Steiger 385QT Quadtrac | 385 hp | 48,150 lb | — | Compare → |
| CaseIH Quadtrac 9370QT | 360 hp | 44,000 lb | — | Compare → |
| CaseIH Quadtrac 9380QT | 400 hp | 44,000 lb | — | Compare → |
| CaseIH STX425QT Quadtrac | 425 hp | 53,264 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Challenger 85E | 375 hp | 34,895 lb | — | Compare → |
| Big Bud 370 | 370 hp | 41,200 lb | — | Compare → |
| Challenger 85D | 370 hp | 34,234 lb | — | Compare → |
| Buhler Versatile 450 | 364.92 hp | 45,150 lb | — | Compare → |
| AGCO AGCOSTAR 8360 | 360 hp | — | 1995–2001 | Compare → |
Explore
CaseIH siblings
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Gallery
CaseIH STX375QT Quadtrac photos



FAQ
Common questions
What is the engine power output of the CaseIH STX375QT Quadtrac?
Rated engine output for the CaseIH STX375QT Quadtrac is 375 hp, delivered by a 6-cylinder engine. The engine displaces 915 ci.
Which transmission does the CaseIH STX375QT Quadtrac use?
The CaseIH STX375QT Quadtrac is equipped with a Full Power Shift transmission with 16 forward gears.
What type of hydraulic system does the CaseIH STX375QT Quadtrac use?
Hydraulics on the CaseIH STX375QT Quadtrac are Pressure Flow Compensated.
What is the operating weight of the CaseIH STX375QT Quadtrac?
In working trim, the CaseIH STX375QT Quadtrac comes in at roughly 53,264 lb.
How do I maintain a CaseIH STX375QT Quadtrac?
Routine service for the CaseIH STX375QT Quadtrac covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.





