Market Segment:
High-horsepower articulated four-wheel drive tractor, designed for demanding row crop, tillage, and heavy-duty fieldwork.
Key Competitors:
John Deere 8030 series, New Holland TG series, Challenger MT series.
Articulated Chassis:
Provides superior maneuverability and reduced soil compaction compared to conventional tractors.
High Power Output:
Delivers substantial horsepower for pulling large implements and performing high-demand tasks efficiently.
Robust Construction:
Engineered for durability and longevity in rigorous agricultural environments.
Systems Covered:
Comprehensive coverage of all major systems including engine, drivetrain, hydraulics, electrical, steering, braking, operator's station, and frame.
Estimated Page Count:
Estimated 1000+ pages (typical for comprehensive tractor service manuals)
Manual Type:
Official Full Service Repair Manual
Engine Diagnostics And Repair:
Detailed troubleshooting, repair, and overhaul procedures for the primary engine, including fuel system, cooling system, lubrication system, air intake, and exhaust.
Drivetrain And Transmission:
In-depth coverage of the powershift transmission, final drives, differentials, and PTO (Power Take-Off) systems, including adjustments and component replacements.
Hydraulic System:
Comprehensive information on hydraulic pumps, valves, cylinders, hoses, filters, and troubleshooting hydraulic performance issues, including PTO hydraulics and hitch controls.
Electrical System And Diagnostics:
Detailed wiring diagrams, component identification, diagnostic procedures for charging system, starting system, lighting, instrumentation, and electronic control units (ECUs).
Steering And Braking:
Procedures for steering system repair and adjustment, including hydrostatic power steering, and detailed information on hydraulic brake system maintenance and service.
Operator Station And Comfort:
Coverage of cab systems, HVAC (Heating, Ventilation, and Air Conditioning), operator controls, seating, and safety features.
Frame And Chassis:
Information on frame components, hitch mechanisms (if applicable), and front axle/steering linkages.
Routine Maintenance:
Detailed instructions for all scheduled maintenance tasks, including fluid changes, filter replacements, lubrication points, and inspections.
Troubleshooting Guide:
Systematic approach to diagnosing and resolving common and complex operational problems with flowcharts and symptom-based solutions.
Repair And Overhaul:
Step-by-step guides for component disassembly, repair, reassembly, and adjustment for all major systems.
Calibration And Adjustment:
Procedures for calibrating sensors, adjusting linkages, and setting engine and transmission parameters for optimal performance.
Depth Of Information:
Comprehensive, suitable for professional technicians and experienced owner-operators. Covers basic maintenance to complete engine and transmission rebuilds.
Engine Make And Model:
Cummins QSX15 (common for this model range, though specific variant might differ)
Engine Displacement:
15.0 Liters
Engine Configuration:
Inline 6-cylinder, turbocharged, aftercooled diesel
Rated Horsepower:
Approximately 440 engine horsepower (as per model designation)
Peak Torque:
Significantly high torque output, typically exceeding 1500 lb-ft for optimal pulling power.
Fuel Injection Type:
High-pressure common rail (HPCR) electronic fuel injection
Oil Capacity:
Refer to manual for exact capacity, typically 18-20 quarts (US)
Coolant Capacity:
Refer to manual for exact capacity, typically 20-25 gallons (US)
Transmission Type:
Powershift (e.g., 16-speed or 18-speed manual or automatic shifting)
Optional Transmission:
Not typically applicable; powershift is standard for this class of tractor.
Transmission Control:
Electronic control with manual override and programmable shifting points.
Pto Options:
Standard PTO options usually include 1000 RPM, with potential for 540/1000 RPM or ground speed PTO.
Transmission Fluid Type:
Hydraulic Oil, Universal Tractor Transmission Oil (UTTO) or specific CASE IH fluid recommended in manual.
Transmission Fluid Capacity:
Refer to manual for exact capacity, typically 25-30 gallons (US)
Overall Length:
Varies, but typically around 250-280 inches (6.3-7.1 meters)
Overall Width:
Varies based on tire configuration, usually 96-120 inches (2.4-3.0 meters)
Wheelbase:
Approximately 120-140 inches (3.0-3.5 meters)
Operating Weight:
Estimated 25,000 - 30,000+ lbs (11,300 - 13,600+ kg) depending on configuration and ballast.
Gvw:
Significantly higher, allowing for substantial ballast and implement weight.
Rollover Protection:
ROPS (Roll-Over Protective Structure) certified cab or frame.
Braking System:
Hydraulically actuated, self-adjusting, wet disc brakes.
Parking Brake:
Integrated mechanical or hydraulic parking brake.
Seatbelts:
Standard operator seatbelt.
Lighting:
Comprehensive work lighting and road lighting systems.
Operator Presence System:
Commonly features systems to prevent operation if operator is not seated.
Operator Interface:
Digital displays for monitoring engine parameters, transmission status, hydraulic functions, and diagnostics.
Gps Guidance Readiness:
Many models are equipped with or can be retrofitted with GPS steering and guidance systems for precision agriculture.
Diagnostic Ports:
OBD-II or proprietary diagnostic ports for connection with diagnostic tools.
Engine Oil And Filter:
Typically every 250-500 hours, depending on operating conditions and oil analysis.
Transmission Fluid And Filter:
Usually every 1000-1500 hours.
Hydraulic Fluid And Filter:
Typically every 1000-2000 hours.
Engine Oil Specification:
API CJ-4 or CK-4 (or equivalent CATERPILLAR ECF-3), SAE 15W-40 is common, but manual must be consulted for specific viscosity grades and OEM approvals.
Coolant Specification:
Coolant with a 50/50 mix of quality antifreeze (e.g., ELC - Extended Life Coolant) and distilled water. Consult manual for specific CASE IH approved coolant.
Electrical Connections:
Corrosion or loose connections in harness can lead to intermittent faults or system failures.
Hydraulic Pump Wear:
High-pressure hydraulic systems can experience wear over time, leading to reduced performance or leaks.
Transmission Shifting Issues:
Solenoid failures or hydraulic pressure issues can cause erratic shifting or failure to engage gears.
Engine Emissions Components:
Modern emissions systems (if applicable to specific year/tier) can sometimes be sensitive to fuel quality or require specialized service.
Case Ih Legacy:
CASE IH is a renowned brand with a long history in agricultural machinery, known for its durable and innovative tractors.
Stx Series Development:
The STX series represented CASE IH's entry into the high-horsepower articulated tractor market, evolving from earlier designs and integrating advanced technology.
Manufacturing Location:
Typically manufactured in North America (e.g., Fargo, North Dakota, USA).
Production Years:
The STX series was produced roughly from the early 2000s to the late 2000s, before being succeeded by the Magnum series (which also includes articulated models).