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CaseIH STX450 vs CaseIH STX450QT Quadtrac
Verdict: CaseIH STX450 vs CaseIH STX450QT Quadtrac
The CaseIH STX450 and the CaseIH STX450QT Quadtrac are both tractors — here is how they stack up on the figures that matter. CaseIH STX450 leads on rated power with 401 hp against 399 hp. CaseIH STX450 is the lighter machine (17,837 kg vs 23,285 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. In short: choose the CaseIH STX450 for outright pulling power, or the CaseIH STX450QT Quadtrac if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
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Fit & specs
CaseIH
62
Fit score
Best match
Clear
CaseIH
62
Fit score
Best match
Clear
Rated power
401 hp
399 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
CaseIHReference
CaseIHReference
Gear 3 used for pull test.Reference
Gear 3 used for pull test.Reference
Final drives
compound planetaryReference
inboard planetaryReference
Steering
hydrostatic powerReference
hydrostatic powerReference
Drive
—
articulated crawlerReference
Variants
STX450
wheeled tractorReference
wheeled tractorReference
STX450QT
crawler tractorReference
crawler tractorReference
TJ450
similar New Holland modelReference
—
Engine
Fuel tank
1135.5 LReference
1135.5 LReference
Engine
335.6 kWReference
335.6 kWReference
Drawbar (claimed)
268.5 kWReference
—
Drawbar (tested)
276.9 kWReference
257.8 kWReference
Displacement
14.9 LReference
14.9 LReference
Bore/Stroke
137 x 169 mmReference
137 x 169 mmReference
Power
335.6 kWReference
335.6 kWReference
Air cleaner
dual paper elementsReference
dual paper elementsReference
Compression
16.5:1Reference
16.5:1Reference
Rated RPM
2000Reference
2000Reference
Torque
2263.2 NmReference
2263.2 NmReference
Torque RPM
1400Reference
1400Reference
Starter volts
12Reference
12Reference
Max power
276.9 kWReference
257.8 kWReference
Power at rated engine speed
298.8 kWReference
297.6 kWReference
Transmission
Gears
16 forward and 2 reverseReference
16 forward and 2 reverseReference
Clutch
electro-hydraulic wet discReference
electro-hydraulic wet discReference
PTO & Hydraulics
PTO (claimed)
294.6 kWReference
294.6 kWReference
PTO (tested)
338.7 kWReference
335.8 kWReference
Type
full power shiftReference
full power shiftReference
Rear valves
4 to 7Reference
—
SCV flow
132.5 lpmReference
—
Total flow
208.2 lpmReference
—
Rear Type
IVN/IIIReference
IVN/IIIReference
Rear lift (at 24"/610mm)
8845 kgReference
8845 kgReference
Rear PTO
independentReference
independentReference
Rear PTO Type
1000 (1.75)Reference
1000 (1.75)Reference
Pump flow
—
208.2 lpmReference
Engine RPM
—
1000@1998Reference
Dimensions
Wheelbase
391 cmReference
391 cmReference
Weight
17837 kgReference
23285 kgReference
Length
806 cmReference
—
Width
111 cmReference
111 cmReference
Height
386 cmReference
—
Front axle
114 mmReference
114 mmReference
Rear axle
114 mmReference
114 mmReference
Rear tread
152 to 447 cmReference
—
Operating
17837 kgReference
23285 kgReference
Ballasted
20212 kgReference
—
Max Drawbar
4989 kgReference
4989 kgReference
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Battery volts
12Reference
12Reference
Capacities
Max capacity
23587 kgReference
24160 kgReference
Test results
Fuel use
82.5 l/hourReference
83.6 l/hourReference
Max pull
20196 kgReference
17423 kgReference
CaseIH STX450QT Tracks
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.