Tractor · 2001Unverified
CaseIH STX440QT Quadtrac
CaseIH STX440QT Quadtrac — Steiger STX Series · 399 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
399 hp
Max power
335.8 kW
Weight
23285 kg
Hover a source tag to verify
Overview
ManufacturerCaseIHReference
Articulated Crawler tractorReference
Built in Fargo, North Dakota, USAReference
Drivearticulated crawlerReference
Final drivesinboard planetaryReference
Steeringhydrostatic powerReference
Integrated hydraulic wet disc brakesReference
Surveyor Cab standard.Reference
Engine
Cummins 14.9L 6-cyl dieselReference
Fuel tank1135.5 LReference
Engine328.1 kWReference
Drawbar (tested)257.8 kWReference
Cummins QSX15Reference
turbocharged aftercooled dieselReference
6-cylinderReference
liquid-cooledReference
Displacement14.9 LReference
Bore/Stroke137 x 169 mmReference
Power328.1 kWReference
Air cleanerdual paper elementsReference
Compression16.5:1Reference
Rated RPM2000Reference
Torque2237.4 NmReference
Torque RPM1400Reference
Starter volts12Reference
Max power335.8 kWReference
Power at rated engine speed297.6 kWReference
Max power257.8 kWReference
Transmission
16-speed full power shiftReference
Typefull power shiftReference
Gears16 forward and 2 reverseReference
Clutchelectro-hydraulic wet discReference
PTO & Hydraulics
PTO (tested)335.8 kWReference
Typeclosed center load sensingReference
Rear valves4 to 7Reference
Pump flow151.4 lpmReference
Pump flow208.2 lpmReference
Rear TypeIVNReference
Rear lift (at 24"/610mm)8845 kgReference
Rear PTOindependentReference
Rear PTO Type1000Reference
Dimensions
Weight23285 kgReference
TracksReference
Width111 cmReference
Operating weight23285 kgReference
Max weight24160 kgReference
Rear axle114 mmReference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Batteries2Reference
Battery volts12Reference
Test results
Diesel 16-speed CrawlerOctober 4 - 19, 2000Link: OCED Tractor Test 1785 fileReference
PTO performanceReference
Fuel use84.4 l/hourReference
Fuel use83.3 l/hourReference
Drawbar performanceReference
Fuel use83.6 l/hourReference
Gear 4 used for power 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.