Four-Wheel DrivePerformance profile
CaseIH STX425
The CaseIH STX425 is a powerful tractor built for big jobs on the farm. It has a strong Cummins engine that can produce 425 horsepower. This engine has 6 cylinders and uses diesel fuel. It's turbocharged, which means it can work even harder. The tractor has a special transmission that makes it easy to change gears. It has 24 forward gears and 6 reverse gears, giving the driver lots of options. The steering is hydrostatic power, which makes it smooth to turn. The STX425 is big, measuring 317.5 inches long, 44 inches wide, and 152.1 inches tall. It has a strong hitch at the back for pulling heavy equipment. This CaseIH model has some nice features for farmers. It has a good hydraulic system and a power take-off (PTO) for running other machines. The tractor starts with an electric starter, making it easy to get going in the morning. Overall, the STX425 is a robust tractor designed for serious farm work.
ManufacturerCaseIHPower425 hpEngine6-cylTransFull power shift, Fully synchronized
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Quick specs
- Category
- Four-Wheel Drive
- Engine Power Output
- 425hp
- Transmission
- Full power shift, Fully synchronized
At a glance
How the STX425 compares
vs. Four-Wheel Drive medianDistribution
Engine Power (hp)
Across all Four-Wheel Drive tractors
425 hp · 59th
This model
84
Median 375 hp
549
This modelFour-Wheel Drive tractorsMediann = 162
The STX425 ranks at the 59th percentile for engine power among recorded four-wheel drive tractors.
Overview
About the CaseIH STX425
The CaseIH STX425 is a powerful tractor built for big jobs on the farm. It has a strong Cummins engine that can produce 425 horsepower. This engine has 6 cylinders and uses diesel fuel. It's turbocharged, which means it can work even harder. The tractor has a special transmission that makes it easy to change gears. It has 24 forward gears and 6 reverse gears, giving the driver lots of options. The steering is hydrostatic power, which makes it smooth to turn. The STX425 is big, measuring 317.5 inches long, 44 inches wide, and 152.1 inches tall. It has a strong hitch at the back for pulling heavy equipment. This CaseIH model has some nice features for farmers. It has a good hydraulic system and a power take-off (PTO) for running other machines. The tractor starts with an electric starter, making it easy to get going in the morning. Overall, the STX425 is a robust tractor designed for serious farm work.
Full specifications
Every recorded spec
General
| Manufacturer | CaseIH |
|---|---|
| Model | STX425 |
| Category | Four-Wheel Drive tractor |
Engine
| Make | Cummins |
|---|---|
| Model | QSX 15 |
| Power | 425hp |
| Cylinders | 6 |
| Displacement | 912ci |
| Bore | 5.39in |
| Stroke | 6.65in |
Transmission
| Type | Full power shift, Fully synchronized |
|---|---|
| Forward gears | 24 |
| Reverse gears | 6 |
Chassis & drive
| Steering | Hydrostatic power |
|---|
Hydraulics
| Type | Pressure Flow Compensated |
|---|
Power take-off
| Rear PTO | 1000 (1.75) |
|---|
Dimensions
| Length | 317.5in |
|---|---|
| Width | 44in |
| Height | 152.1in |
Head to head
STX425 vs. Four-Wheel Drive median
How the CaseIH STX425 compares to other Four-Wheel Drive tractors
| Spec | This model | Four-Wheel Drive median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 425 hp | 375 hp | +13% | 59th |
| Engine Displacement | 912 ci | 826 ci | +10% | 78th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 24 | 16 | +50% | 98th |
| Length | 318 in | 275 in | +15% | 91st |
| Width | 44 in | 116 in | -62% | 12th |
| Height | 152 in | 143 in | +7% | 87th |
Medians and percentiles are computed from the four-wheel drive tractors in our database with a recorded value for each spec (sample sizes 71–162 models).
Compare to tractors with similar specs
Commonly compared CaseIH tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| CaseIH Steiger 420 | 420 hp | 40,159 lb | — | Compare → |
| CaseIH Steiger 450 | 450 hp | 36,048 lb | — | Compare → |
| CaseIH STX450 | 450 hp | 39,325 lb | — | Compare → |
| CaseIH Steiger 470 | 470 hp | 40,159 lb | — | Compare → |
| CaseIH Steiger 470 Quadtrac | 470 hp | 46,500 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO AGCOSTAR 8425 | 425 hp | 28,300 lb | 1995–2001 | Compare → |
| Challenger MT743 | 425 hp | 36,220 lb | 2018+ | Compare → |
| Challenger 1042 | 410.1 hp | 31,615 lb | — | Compare → |
| Big Bud 440 | 440 hp | 40,000 lb | — | Compare → |
| Challenger 95E | 410 hp | 35,520 lb | 1998–2001 | Compare → |
Explore
CaseIH siblings
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FAQ
Common questions
What is the engine power output of the CaseIH STX425?
Rated engine output for the CaseIH STX425 is 425 hp, delivered by a 6-cylinder engine. The engine displaces 912 ci.
What hydraulics does the CaseIH STX425 have?
The CaseIH STX425 uses a Pressure Flow Compensated hydraulic system.
What three-point hitch category does the CaseIH STX425 use?
The CaseIH STX425 has a Category Category 3 three-point hitch.
Which transmission does the CaseIH STX425 use?
The CaseIH STX425 is equipped with a Full power shift, Fully synchronized transmission with 24 forward gears.
How do I maintain a CaseIH STX425?
Routine service for the CaseIH STX425 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.