Part of the Case Repair Manuals.
This is the complete Case IH factory service manual for the STX280, STX330, STX380, STX430, STX480 and STX530 Steiger tractors, covering both the wheeled and QuadTrac versions. It is organized into functional groups: General, Safety & Maintenance, Engine, Cooling & Fan Drive, Electrical System, Steering, Cab & Controls, Powershift Transmission & Driveline, Axles & Undercarriage, and Hydraulic System. Each group carries specifications, torque data, troubleshooting, and step-by-step removal, disassembly, inspection, assembly, and installation procedures, with model-specific engine and undercarriage coverage and the pressure checks these high-horsepower articulated tractors require.
What's Inside This Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| General, Safety & Maintenance | Standard Torque Specifications, Safety, Lubrication and Maintenance, And General Service Data for the STX280-STX530 Steiger Tractors | |
| Engine | Engine Removal and Installation for the STX280/330, STX380/430 and STX480/530, Air Induction System, And Engine Specifications | |
| Cooling & Fan Drive | Viscous Fan Drive and Hydraulic Fan Drive Test, Cooling System, And Thermostat and Radiator Service | |
| Electrical System | Electrical System Operation and Troubleshooting, Battery Servicing and Testing, Charging and Starting, And Wiring | |
| Steering | Steering Hand Pump, Priority and Control Valve Removal and Installation, Steering Column Repair, And Steering Test and Adjustment | |
| Cab & Controls | Center Console, Steering Column, Pedals and Switches, Operator Controls, And Instrumentation | |
| Powershift Transmission & Driveline | Powershift Transmission Removal and Installation, Transmission Controls and Calibration, PTO, And Driveline | |
| Axles & Undercarriage | Front and Rear Axles, Final Drives, Wheels, And the QuadTrac Undercarriage and Tracks | |
| Hydraulic System | Hydraulic Pump, Remote Control Valves, Three-Point Hitch, TwinFlow Hydraulics, And Hydraulic Troubleshooting and Pressure Checks |
Documents This Manual Refers To
The manufacturer cites these publications by number. We carry them:
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| STX380-STX530 | ||
| Rated Power | 384 HP (286 kW) STX380 / 434 HP (324 kW) STX430 / 485 HP (362 kW) STX480 / 535 HP (399 kW) STX530 | |
| Peak Torque (1400 RPM) | 1412 lb-ft (1914 Nm) STX380 up to 1873 lb-ft (2539 Nm) STX530 | |
| STX280-STX530 | ||
| Rated Engine Speed | 2000 RPM (2100 RPM on STX530) | |
| Fuel Tank Capacity | 200 gal (758 L) STX280/330; 300 gal (1136 L) STX380-STX530 | |
| Coolant Capacity | 11.4-12.4 gal (43-47 L) STX280/330; 18.25-21.0 gal (69-80 L) STX380-STX530 | |
| Standard Hydraulic Pump | 40 GPM (151 L/min) at 2000 PSI; High-Output 55 GPM (208 L/min) | |
| Total Hydraulic System Capacity | 63 gal (238 L) STX280/330; 71 gal (269 L) Wheel / 80 gal (303 L) QuadTrac STX380-STX530 | |
| STX280, STX330 | ||
| Maximum Steering Pressure | 2700 PSI (18,613 kPa) | |
