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Tractor · 2002Unverified

CaseIH STX450

CaseIH STX450 — Steiger STX Series · 401 hp. Reference specifications; pending source verification.

The CaseIH STX450 is a tractor with a rated power output of 401 hp, positioning it at the powerful end of its class. Manufactured between 2002 and 2005, this tractor is equipped with a 6-cylinder turbocharged diesel liquid-cooled engine and four-wheel drive, paired with a hydrostatic transmission. The CaseIH STX450 has an operating weight of 17,837 kg. Its operating capacity spans 1,500+ acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power
401 hp
Max power
338.7 kW
Weight
17837 kg

Catalogue coverage

Variants represented
2
Richest spec table
73 rows
Recorded power
401 hp
Recorded weight
17837 kg
Transmissions
16-speed full power shift
Production years
2002-2005
Verified variants
0

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerCaseIHReference
Four-wheel Drive (4WD) tractorReference
Built in Fargo, North Dakota, USAReference
The New Holland TJ450 is the same as the CaseIH STX450.Reference
Four-wheel driveReference
Final drivescompound planetaryReference
Steeringhydrostatic powerReference
Integrated hydraulic wet disc brakesReference
Surveyor Cab standard.Reference

Variants

STX450wheeled tractorReference
STX450QTcrawler tractorReference
TJ450similar New Holland modelReference

Engine

Cummins 14.9L 6-cyl dieselReference
Fuel tank1135.5 LReference
Engine335.6 kWReference
Drawbar (claimed)268.5 kWReference
Drawbar (tested)276.9 kWReference
Cummins QSX 15Reference
turbocharged aftercooled dieselReference
6-cylinderReference
liquid-cooled inlineReference
Displacement14.9 LReference
Bore/Stroke137 x 169 mmReference
Power335.6 kWReference
Air cleanerdual paper elementsReference
Compression16.5:1Reference
Rated RPM2000Reference
Torque2263.2 NmReference
Torque RPM1400Reference
Starter volts12Reference
Max power338.7 kWReference
Power at rated engine speed298.8 kWReference
Max power276.9 kWReference

Transmission

16-speed full power shiftReference
Typefull power shiftReference
Gears16 forward and 2 reverseReference
Clutchelectro-hydraulic wet discReference

PTO & Hydraulics

PTO (claimed)294.6 kWReference
PTO (tested)338.7 kWReference
Typepressure flow compensated (PFC)Reference
Rear valves4 to 7Reference
SCV flow132.5 lpmReference
Total flow151.4 lpmReference
Total flow208.2 lpmReference
Rear TypeIVN/IIIReference
Rear lift (at 24"/610mm)8845 kgReference
Rear PTOindependentReference
Rear PTO Type1000 (1.75)Reference

Dimensions

Wheelbase391 cmReference
Weight17837 kgReference
Length806 cmReference
Width111 cmReference
Height386 cmReference
Front axle114 mmReference
Rear axle114 mmReference
Rear tread152 to 447 cmReference
Operating17837 kgReference
Ballasted20212 kgReference
Max Drawbar2404 kgReference
Max Drawbar4989 kgReference

Electrical

GroundnegativeReference
Charging systemalternatorReference
Battery volts12Reference

Capacities

Max capacity23587 kgReference

Test results

Diesel 16-speed 4WDOctober 11, 2000 - October 19;2000, Link: OCED Tractor Test 1784 fileReference
PTO performanceReference
Fuel use86.3 l/hourReference
Fuel use83.6 l/hourReference
Drawbar performanceReference
Fuel use82.5 l/hourReference
Gear 4 used for power test.Reference
Max pull20196 kgReference
Gear 3 used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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