Power: 450 hp Date of manufacture : 2002 - 2005
Production Manufacturer: CaseIH Type: Articulated Crawler tractor Factory: Fargo, North Dakota, USA Variants STX450: wheeled tractor STX450QT: crawler tractor CaseIH STX450QT Power Engine: 450 hp 335.6 kW PTO (claimed): 395 hp 294.6 kW Drawbar (tested): 345.68 hp 257.8 kW PTO (tested): 450.29 hp 335.8 kW CaseIH STX450QT Engine Mechanical Chassis: articulated crawler Final drives: inboard planetary Steering: hydrostatic power Brakes: integrated hydraulic wet disc Cab: Surveyor Cab standard. Transmission: 16-speed full power shift Hydraulics Type: pressure flow compensated (PFC) Pump flow: 40 gpm 151.4 lpm   55 gpm 208.2 lpm *Optional Tractor hitch Rear Type: IVN/III Rear lift (at 24"/610mm): 19500 lbs 8845 kg Power Take-off (PTO) Rear PTO: independent*Optional Rear RPM: 1000 (1.75) Engine RPM: 1000@1998 Dimensions & Tracks Wheelbase: 154 inches 391 cm Weight: 51335 lbs 23285 kg 30-inch tracks Full dimensions and tracks ... Electrical Ground: negative Charging system: alternator Battery volts: 12

CaseIH STX430QT	Power: 430 hp	Date of manufacture : 2006 - 0000

CaseIH STX440	Power: 440 hp	Date of manufacture : 2001 - 0000

CaseIH STX440QT	Power: 440 hp	Date of manufacture : 2001 - 0000

CaseIH STX450	Power: 450 hp	Date of manufacture : 2002 - 2005

CaseIH STX450QT	Power: 450 hp	Date of manufacture : 2002 - 2005

CaseIH STX480	Power: 480 hp	Date of manufacture : 2006 - 2007

CaseIH STX480QT	Power: 480 hp	Date of manufacture : 2006 - 0000

CaseIH STX500	Power: 500 hp	Date of manufacture : 2004 - 2006

CaseIH STX500QT	Power: 500 hp	Date of manufacture : 2004 - 2006