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CaseIH 9390 vs CaseIH STX480QT Quadtrac
Verdict: CaseIH 9390 vs CaseIH STX480QT Quadtrac
The CaseIH 9390 and the CaseIH STX480QT Quadtrac are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 425 hp. CaseIH STX480QT Quadtrac holds more fuel (1135.5 L vs 1022.0 L) for longer stints between fills. CaseIH STX480QT Quadtrac is the newer design (2006 vs 1997). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
CaseIH
62
Fit score
Best match
Clear
CaseIH
62
Fit score
Best match
Clear
Rated power
425 hp
425 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
CaseIHReference
CaseIHReference
Three synchronized gears (1-3) in four synchronized ranges (A-D) with a two-speed high/low shift.Reference
liquid-cooledReference
Drive
—
articulated crawlerReference
Final drives
—
offset 3-planetaryReference
Steering
—
hydrostatic powerReference
Engine
Fuel tank
1022.0 LReference
1135.5 LReference
Engine (gross)
316.9 kWReference
—
Displacement
14.0 LReference
14.9 LReference
Bore/Stroke
140 x 152 mmReference
137 x 169 mmReference
Power (gross)
316.9 kWReference
—
Rated RPM
2100Reference
2000Reference
Idle RPM
850-2300Reference
—
Starter volts
12Reference
24Reference
Oil capacity
38.6 LReference
—
Oil change
250 hReference
—
Coolant capacity
62.5 LReference
—
Engine
—
357.9 kWReference
Power
—
357.9 kWReference
Transmission
Gears
24 forward and 6 reverseReference
16 forward and 2 reverseReference
Clutch
wet discReference
electro-hydraulic wet discReference
Transmission
Hi-Lo SynchroShiftReference
—
PTO & Hydraulics
PTO (claimed)
285.6 kWReference
316.9 kWReference
Type
full powershiftReference
full power shiftReference
Pressure
200.0 barReference
—
Valves
4Reference
—
Pump flow
113.6 lpmReference
340.7 lpmReference
Total flow
227.1 lpmReference
—
Rear Type
IVReference
IVNReference
Rear lift (at 24"/610mm)
7711 kgReference
8948 kgReference
Rear PTO
independentReference
independentReference
Rear PTO Type
1000Reference
1000 (1.75)Reference
Dimensions
Wheelbase
365 cmReference
391 cmReference
Weight
14742 kgReference
—
Front tire
20.8R-42Reference
—
Rear tire
20.8R-42Reference
—
Ag front
20.8R-42Reference
—
Ag rear
20.8R-42Reference
—
Length
713 cmReference
—
Width
243 cmReference
91 cmReference
Height (exhaust)
379 cmReference
—
Operating weight
14742 kgReference
—
Max weight
19958 kgReference
24494 kgReference
Clearance (front axle)
80 cmReference
—
Clearance (drawbar)
48 cmReference
—
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
—
Charging amps
125Reference
—
Batteries
3Reference
—
Battery CCA
625Reference
—
Battery volts
12Reference
12Reference
Variants
STX480
—
wheeled tractorReference
STX5480QT
—
crawlerReference
CaseIH STX480QT 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.