CaseIH STX425
The CaseIH STX425 is a tractor produced by Caseih. It is equipped with a 912 ci 14.9 L engine. The rated power output is 425 hp 316.9 kW. Transmission: Synchroshift.
Engine Power
425 hp
316.9 kW
Fuel & Capacities
300 gal
1135.5 L
Transmission
Synchroshift
Caseih STX425 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
![]() | 2002 - 2006
Steiger STX SeriesFour-wheel Drive (4WD) tractor |
|---|---|
2002 - 2006 | |
Steiger STX Series | |
Four-wheel Drive (4WD) tractor | |
Production | |
|---|---|
Manufacturer | CaseIH |
Four-wheel Drive (4WD) tractor | |
Built in Fargo, North Dakota, USA | |
Variants | |
|---|---|
STX425 | wheeled tractor |
STX425QT | crawler tractor |
TJ425 | similar New Holland model |
CaseIH STX425 Engine | |
|---|---|
Cummins 14.9L 6-cyl diesel | |
Fuel tank | 300 gal
1135.5 L |
Engine details ... | |
CaseIH STX425 Power | |
|---|---|
Engine | 425 hp
316.9 kW |
Drawbar (claimed) | 345 hp
257.3 kW |
PTO (claimed) | 370 hp
275.9 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Final drives | inboard planetary (standard) |
compound planetary (HD/scraper) | |
Steering | hydrostatic power |
Integrated hydraulic wet disc brakes | |
Surveyor Cab standard. | |
Hydraulics | |
|---|---|
Type | pressure flow compensated (PFC) |
Rear valves | 4 to 7 |
SCV flow | 35 gpm
132.5 lpm |
Total flow | 40 gpm
151.4 lpm |
55 gpmOptOptional
208.2 lpm | |
Tractor hitch | |
|---|---|
Rear Type | IVN/III |
Rear lift (at 24"/610mm) | 19500 lbs
8845 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent OptOptional |
Rear PTO Type | 1000 (1.75) |
Dimensions & Tires | |
|---|---|
Wheelbase | 154 inches
391 cm |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Battery volts | 12 |
References | |
|---|---|
![]() | |
STX Series Steiger Tractors published in 2002, by CaseIH* | |
*Publication contains known errors. |
Engine
Engine Detail — 912 ci / 14.9 L Diesel
Manufacturer | Cummins QSX 15 |
Configuration | turbocharged aftercooled diesel, 6-cylinder, liquid-cooled inline |
When equipped with the manual transmission the STX425 engine is limited to 1501 lb-ft of torque. | |
Displacement | 912 ci
14.9 L |
Bore/Stroke | 5.39x6.65 inches
137 x 169 mm |
Power | 425 hp
316.9 kW |
Air cleaner | dual paper elements |
Rated RPM | 2000 |
Torque | 1594 lb-ft
2161.5 Nm |
Torque RPM | 1400 |
Starter volts | 12 |
CaseIH STX425 Engine | |
|---|---|
![]() |
Transmission
Transmission options | |
|---|---|
16-speed full power shift | |
24-speed fully synchronized |
Transmission — 16 forward and 2 reverse full power shift
Type | full power shift |
Gears | 16 forward and 2 reverse |
Clutch | electro-hydraulic wet disc |
Transmission — Synchroshift
Transmission | Synchroshift |
Type | fully synchronized |
Gears | 24 forward and 6 reverse |
Dimensions
CaseIH STX425 Tires |
|---|
Dimensions | |
|---|---|
Wheelbase | 154 inches
391 cm |
Length | 317.5 inches
806 cm |
Width | 44 inches (frame)
111 cm |
Height | 152.1 inches
386 cm |
Front axle | 4.5 inch diameter
114 mm |
Rear axle | 4.5 inch diameter
114 mm |
Rear tread | 60 to 176 inches
152 to 447 cm |
CaseIH STX425 Weight | |
|---|---|
Max capacity | 51000 lbs
23133 kg |
Max Drawbar | 5300 lbs
2404 kg |
11000 lbs*Drawbar at innermost position.
4989 kg | |
Photos
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