Production

Who manufactured the CaseIH STX425QT Quadtrac, and where was it built?

• Manufacturer: CaseIH
• Type: Articulated Crawler tractor
• Built in: Fargo, North Dakota, USA

Variants

What are the variants of the STX425QT?

• STX425: wheeled tractor
• STX425QT: crawler tractor

Engine

What kind of engine does the CaseIH STX425QT have?

• Model: Cummins 15.0L 6-cyl diesel
• Fuel tank capacity: 300 gal (1135.5 L)

Transmission

What type of transmission is in the CaseIH STX425QT?

• 16-speed full power shift

Horsepower

How much horsepower does the CaseIH STX425QT produce?

• Engine: 425 hp (316.9 kW)
• PTO (claimed): 370 hp (275.9 kW)

Mechanical

What are the mechanical features of the CaseIH STX425QT?

• Drive: articulated crawler
• Final drives: inboard planetary
• Steering: hydrostatic power
• Brakes: integrated hydraulic wet disc brakes
• Cab: Surveyor Cab standard

Hydraulics

What are the hydraulic specifications of the CaseIH STX425QT?

• Type: pressure flow compensated (PFC)
• Rear valves: 4 to 7
• Pump flow: 40 gpm (151.4 lpm), optional 55 gpm (208.2 lpm)

Tractor Hitch

What type of hitch does the CaseIH STX425QT use and how much can it lift?

• Rear Type: IVN/III
• Rear lift (at 24"/610mm): 19500 lbs (8845 kg)

Power Take-off (PTO)

What are the PTO specifications of the CaseIH STX425QT?

• Rear PTO: independent (optional)
• Rear RPM: 1000 (1.75)

Dimensions & Tracks

What are the dimensions of the CaseIH STX425QT?

• Wheelbase: 154 inches (391 cm)
• Tracks: 30-inch

Electrical

What are the electrical specifications of the CaseIH STX425QT?

• Ground: negative
• Charging system: alternator
• Battery volts: 12