Overview
The CaseIH STX430QT Quadtrac is an articulated crawler tractor manufactured in Fargo, North Dakota, featuring an Iveco 12.9L 6-cylinder turbocharged diesel engine rated at 430 horsepower. This model is equipped with a 16-speed full power shift transmission and a 300-gallon fuel tank, operating on a 154-inch wheelbase with 30-inch or 36-inch tracks.
Ideal Applications
Powertrain and Engine Performance:
The liquid-cooled Iveco engine delivers 430 hp at 2000 rated RPM and provides a claimed 375 hp at the PTO, utilizing a 24-valve design with a 12.9L displacement.
Hydraulic and Hitch Configuration:
This tractor features a pressure flow compensated hydraulic system with a 40 gpm pump flow and a Category IVN rear hitch capable of lifting 19,728 lbs at 24 inches.
Mechanical and Operator Station:
The machine is built with integrated hydraulic wet disc brakes, hydrostatic power steering, and a standard Surveyor cab equipped with air-conditioning or an optional luxury leather-trimmed interior.
Production
| Description | Articulated Crawler tractor / Built in Fargo, North Dakota, USA |
|---|---|
| Manufacturer | CaseIH |
Engine
| Engine type | Iveco 12.9L 6-cyl diesel |
|---|---|
| Fuel tank | 300 gal (1135.5 L) |
| Bore/Stroke | 5.314x5.906 inches (135 x 150 mm) |
| Description | Iveco / turbocharged diesel / 6-cylinder 24-valve / liquid-cooled |
| Displacement | 786 ci (12.9 L) |
| Power | 430 hp (320.7 kW) |
| Rated RPM | 2000 |
| Starter volts | 12 |
| PTO (claimed) | 375 hp (279.6 kW) |
Transmission
| Clutch | electro-hydraulic wet disc |
|---|---|
| Gears | 16 forward and 2 reverse |
| Transmission type | 16-speed full power shift |
| Type | full power shift |
Mechanical
| Description | Integrated hydraulic wet disc brakes / Surveyor cab standard with air-conditioning. Optional luxury cab with leather trim and seating. |
|---|---|
| Drive | articulated crawler |
| Final drives | offset 3-planetary |
| Steering | hydrostatic power |
Hydraulics
| Pump flow | 40 gpm (151.4 lpm) |
|---|---|
| Type | pressure flow compensated |
Hitch
| Rear lift (at 24"/610mm) | 19728 lbs (8948 kg) |
|---|---|
| Rear Type | IVN |
PTO
| Rear PTO | independent OptOptional |
|---|---|
| Rear PTO Type | 1000 (1.75) |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Max weight | 54000 lbs (24494 kg) |
|---|---|
| Wheelbase | 154 inches (391 cm) |
CaseIH STX430QT Tracks
| Width | 30 inches (76 cm) / 36 inches (91 cm) |
|---|
Dimensions & Tracks
| Description | 30-inch tracks |
|---|---|
| Wheelbase | 154 inches (391 cm) |
References
| Description | STX Steiger published in 2006, by CaseIH / STX Series Steiger Tractors published in 2006, by CaseIH |
|---|
Variants
| STX430 | wheeled tractor |
|---|---|
| STX430QT | crawler |