Head to head · Articulated

CaseIH STX425QT Quadtrac vs CaseIH STX450QT Quadtrac

CaseIHCaseIH STX425QT Quadtrac
vs
CaseIHCaseIH STX450QT Quadtrac

How they compare

Headline specs vs. the whole Articulated

n = 41–62

Engine Power

▲ STX450QT Quadtrac higher · +25 hp (+6%)
STX425QT Quadtrac425 hp
STX450QT Quadtrac450 hp
Median Articulated Tractor450 hp

STX425QT Quadtrac is in the 38th percentile; STX450QT Quadtrac is in the 50th · 62 models

Engine Displacement

▲ STX425QT Quadtrac higher · +3 ci (<1%)
STX425QT Quadtrac915 ci
STX450QT Quadtrac912 ci
Median Articulated Tractor827 ci

STX425QT Quadtrac is in the 78th percentile; STX450QT Quadtrac is in the 67th · 61 models

Cylinders

= Effectively tied
STX425QT Quadtrac6
STX450QT Quadtrac6
Median Articulated Tractor6

STX425QT Quadtrac is in the 50th percentile; STX450QT Quadtrac is in the 50th · 61 models

Forward Gears

= Effectively tied
STX425QT Quadtrac16
STX450QT Quadtrac16
Median Articulated Tractor16

STX425QT Quadtrac is in the 50th percentile; STX450QT Quadtrac is in the 50th · 59 models

STX425QT Quadtrac (A)STX450QT Quadtrac (B)Median Articulated Tractor

Full comparison

Every spec, side by side

General Information

SpecCaseIH STX425QT QuadtracCaseIH STX450QT QuadtracDifference
ManufacturerCaseIHCaseIHSame
ModelSTX425QT QuadtracSTX450QT Quadtrac—
CategoryArticulatedArticulatedSame

Engine

SpecCaseIH STX425QT QuadtracCaseIH STX450QT QuadtracDifference
ManufacturerCumminsCumminsSame
ModelQSX15QSX15Same
Power Output425hp450hp▲ STX450QT Quadtrac+25 hp · +6%
Rated RPM2,000RPM2,000RPMSame
Cylinders66Same
Displacement915ci912ci▲ STX425QT Quadtrac+3 ci · <1%
Bore5.4in5.4inSame
Stroke6.7in6.7inSame

Transmission

SpecCaseIH STX425QT QuadtracCaseIH STX450QT QuadtracDifference
TypeFull power shiftFull Power ShiftSame

Dimensions & Weight

SpecCaseIH STX425QT QuadtracCaseIH STX450QT QuadtracDifference
Width44in44inSame
Operating Weight53,264lb51,335lb▲ STX425QT Quadtrac+1,929 lb · +4%

Hydraulics

SpecCaseIH STX425QT QuadtracCaseIH STX450QT QuadtracDifference
System TypePressure flow compensated (PFC)Pressure Flow Compensated (PFC)Same
Steering TypeHydrostatic powerHydrostatic PowerSame

Hitch & Towing

SpecCaseIH STX425QT QuadtracCaseIH STX450QT QuadtracDifference
Hitch CategoryIVN/IIIIVN/IIISame
Hitch PositionRearRearSame

Chassis & Drive

SpecCaseIH STX425QT QuadtracCaseIH STX450QT QuadtracDifference
Chassis Type4x4 (Quadtrac)4x4 (Quadtrac)Same
Drive Type4WDQuad-Trac—
Steering TypeHydrostatic powerHydrostatic PowerSame

Electrical

SpecCaseIH STX425QT QuadtracCaseIH STX450QT QuadtracDifference
Starter TypeElectric, 12 voltsElectric—

Category context

Both models against the field

Engine Power

median 450 hp
A · 38th percentile (425 hp)B · 50th percentile (450 hp)

Engine Displacement

median 827 ci
A · 78th percentile (915 ci)B · 67th percentile (912 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Forward Gears

median 16
A · 50th percentile (16)B · 50th percentile (16)

Operating Weight

median 51,335 lb
A · 57th percentile (53,264 lb)B · 50th percentile (51,335 lb)
A · STX425QT QuadtracB · STX450QT QuadtracMedian Articulated Tractor
Full spec pageCaseIH STX425QT QuadtracFull spec pageCaseIH STX450QT Quadtrac