CaseIH STX450QT Quadtrac: all source data
All 55 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | CaseIH |
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| (no label) | Articulated Crawler tractor |
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| (no label) | Built in Fargo, North Dakota, USA |
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Engine| (no label) | Cummins 14.9L 6-cyl diesel |
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| Fuel tank | 300 gal | 1135.5 L |
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Transmission| (no label) | 16-speed full power shift |
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Power| Engine | 450 hp | 335.6 kW |
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| PTO (claimed) | 395 hp | 294.6 kW |
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| Drawbar (tested) | 345.68 hp | 257.8 kW |
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| PTO (tested) | 450.29 hp | 335.8 kW |
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Mechanical| Drive | articulated crawler |
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| Final drives | inboard planetary |
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| Steering | hydrostatic power |
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| (no label) | Integrated hydraulic wet disc brakes |
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| (no label) | Surveyor Cab standard. |
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Hydraulics| Type | pressure flow compensated (PFC) |
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| Pump flow | 40 gpm | 151.4 lpm |
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| Pump flow | 55 gpm | 208.2 lpm |
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Hitch| Rear Type | IVN/III |
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| Rear lift (at 24"/610mm) | 19500 lbs | 8845 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 1000 (1.75) |
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| Engine RPM | 1000@1998 |
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Dimensions| Wheelbase | 154 inches | 391 cm |
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| Weight | 51335 lbs | 23285 kg |
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| (no label) | 30-inch tracks |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Cummins QSX15 |
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| (no label) | turbocharged aftercooled diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 912 ci | 14.9 L |
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| Bore/Stroke | 5.39x6.65 inches | 137 x 169 mm |
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| Power | 450 hp | 335.6 kW |
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| Air cleaner | dual paper elements |
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| Compression | 16.5:1 |
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| Rated RPM | 2000 |
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| Torque | 1669 lb-ft | 2263.2 Nm |
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| Torque RPM | 1400 |
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| Starter volts | 12 |
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Transmission
Transmission| Type | full power shift |
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| Gears | 16 forward and 2 reverse |
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| Clutch | electro-hydraulic wet disc |
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Dimensions
Tracks| Width | 30 inches | 76 cm |
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| Width | 36 inches | 91 cm |
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Dimensions| Wheelbase | 154 inches | 391 cm |
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| Width | 44 inches (frame) | 111 cm |
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| Front axle | 4.5 inch diameter | 114 mm |
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| Rear axle | 4.5 inch diameter | 114 mm |
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Weight| Operating | 51335 lbs | 23285 kg |
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| Max capacity (Max) | 53264 lbs | 24160 kg |
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| Max Drawbar | 5300 lbs | 2404 kg |
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| Max Drawbar | 11000 lbs (optional) | 4989 kg |
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