Brand siblingArticulatedPerformance profile
CaseIH STX450QT Quadtrac
The CaseIH STX450QT Quadtrac is a powerful 4x4 tractor designed for heavy-duty farming tasks. It features a unique Quad-Trac drive system, which provides excellent traction and stability in various field conditions. The tractor is equipped with a hydrostatic power steering system, making it easy to maneuver despite its large size. Under the hood, the STX450QT boasts a Cummins QSX15 engine, a 6-cylinder diesel powerhouse that delivers an impressive 450 hp. This liquid-cooled engine is turbocharged and aftercooled, ensuring efficient performance. The tractor's full power shift transmission offers 16 forward gears and 2 reverse gears, giving operators plenty of options for different tasks. With a hefty operating weight of 51,335 lb, this machine is built to handle tough jobs. The STX450QT also features a rear hitch with category IVN/III compatibility and a pressure flow compensated hydraulic system, making it versatile for various implements and attachments.
ManufacturerCaseIHPower450 hpEngine6-cylTransFull Power Shift
Quick specs
- Category
- Articulated
- Engine Power Output
- 450hp
- Operating Weight
- 51,335 lb
- Transmission
- Full Power Shift
At a glance
How the STX450QT Quadtrac compares
vs. Articulated medianDistribution
Engine Power (hp)
Across all Articulated tractors
450 hp · 50th
This model
180
Median 450 hp
541
This modelArticulated tractorsMediann = 62
The STX450QT Quadtrac ranks at the 50th percentile for engine power among recorded articulated tractors.
Overview
About the CaseIH STX450QT Quadtrac
The CaseIH STX450QT Quadtrac is a powerful 4x4 tractor designed for heavy-duty farming tasks. It features a unique Quad-Trac drive system, which provides excellent traction and stability in various field conditions. The tractor is equipped with a hydrostatic power steering system, making it easy to maneuver despite its large size. Under the hood, the STX450QT boasts a Cummins QSX15 engine, a 6-cylinder diesel powerhouse that delivers an impressive 450 hp. This liquid-cooled engine is turbocharged and aftercooled, ensuring efficient performance. The tractor's full power shift transmission offers 16 forward gears and 2 reverse gears, giving operators plenty of options for different tasks. With a hefty operating weight of 51,335 lb, this machine is built to handle tough jobs. The STX450QT also features a rear hitch with category IVN/III compatibility and a pressure flow compensated hydraulic system, making it versatile for various implements and attachments.
Full specifications
Every recorded spec
General
| Manufacturer | CaseIH |
|---|---|
| Model | STX450QT Quadtrac |
| Category | Articulated tractor |
| Type | 4x4 (Quadtrac) |
| Operating weight | 51,335lb |
Engine
| Make | Cummins |
|---|---|
| Model | QSX15 |
| Power | 450hp |
| Cylinders | 6 |
| Displacement | 912ci |
| Bore | 5.39in |
| Stroke | 6.65in |
Transmission
| Type | Full Power Shift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x4 (Quadtrac) |
|---|---|
| Drive | Quad-Trac |
| Steering | Hydrostatic Power |
Hydraulics
| Type | Pressure Flow Compensated (PFC) |
|---|
Dimensions
| Width | 44in |
|---|---|
| Operating weight | 51,335lb |
Head to head
STX450QT Quadtrac vs. Articulated median
How the CaseIH STX450QT Quadtrac compares to other Articulated tractors
| Spec | This model | Articulated median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 450 hp | 450 hp | at median | 50th |
| Engine Displacement | 912 ci | 827 ci | +10% | 67th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 16 | 16 | at median | 50th |
| Operating Weight | 51,335 lb | 51,335 lb | at median | 50th |
| 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 Steiger 450 Quadtrac | 450 hp | 53,554 lb | — | Compare → |
| CaseIH STX440QT Quadtrac | 440 hp | 51,335 lb | — | Compare → |
| CaseIH Steiger 435QT Quadtrac | 435 hp | 48,150 lb | — | Compare → |
| CaseIH STX430QT Quadtrac | 430 hp | 54,000 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 |
|---|---|---|---|---|
| Big Bud 450 | 450 hp | 40,000 lb | — | Compare → |
| Big Bud 450/20 | 450 hp | 41,500 lb | — | Compare → |
| Big Bud 450/50 | 450 hp | 41,500 lb | — | Compare → |
| Big Bud KT400 | 450 hp | 40,000 lb | — | Compare → |
| Big Bud KT450 | 450 hp | 43,000 lb | — | Compare → |
Explore
CaseIH siblings
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Gallery
CaseIH STX450QT Quadtrac photos
FAQ
Common questions
What is the engine power output of the CaseIH STX450QT Quadtrac?
Rated engine output for the CaseIH STX450QT Quadtrac is 450 hp, delivered by a 6-cylinder engine. The engine displaces 912 ci.
Which transmission does the CaseIH STX450QT Quadtrac use?
The CaseIH STX450QT Quadtrac is equipped with a Full Power Shift transmission with 16 forward gears.
What type of hydraulic system does the CaseIH STX450QT Quadtrac use?
Hydraulics on the CaseIH STX450QT Quadtrac are Pressure Flow Compensated (PFC).
What hitch category is the CaseIH STX450QT Quadtrac?
The CaseIH STX450QT Quadtrac uses a Category IVN/III hitch.
What is the operating weight of the CaseIH STX450QT Quadtrac?
In working trim, the CaseIH STX450QT Quadtrac comes in at roughly 51,335 lb.
How do I maintain a CaseIH STX450QT Quadtrac?
Routine service for the CaseIH STX450QT 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.