Category:
High-horsepower agricultural tractor
Class Competitors:
John Deere 8R Series, New Holland T8 Series, AGCO Challenger MT Series.
Operator Station:
Advanced cab design with ergonomic controls, climate control, and high visibility (details specific to STX440 cab design).
Drive System:
Four-wheel drive with articulated steering for enhanced maneuverability and traction.
Power Take Off:
Heavy-duty PTO capabilities for powering implements.
Hydraulic Capacity:
High-flow hydraulic system to support demanding implements.
Engine Systems:
Engine mechanical, fuel system, lubrication system, cooling system, intake and exhaust systems, starting and charging systems.
Powertrain Systems:
Transmission (PowerShift/CVT - specific type to be confirmed by model year), clutch, PTO (Power Take-Off), drive shafts, axles, differentials.
Hydraulic Systems:
Hydraulic pump, valves, cylinders, hoses, filters, control systems (e.g., hitch control, SCV operation).
Electrical Systems:
Wiring schematics, lighting, starter, alternator, battery, control modules, sensors, operator interface, diagnostic connectors.
Chassis And Controls:
Steering system, braking system, suspension (if applicable), operator station, HVAC, controls and linkages.
Body And Frame:
Frame, cab structure, hood, fenders, ballast mounting.
Maintenance Procedures:
Lubrication schedules, fluid checks and changes, filter replacement, pre-operation checks, post-operation checks.
Diagnostic Procedures:
Troubleshooting charts, fault code interpretation, component testing procedures, electrical system diagnostics.
Repair Procedures:
Step-by-step instructions for component removal, disassembly, inspection, repair, reassembly, and installation.
Calibration And Adjustment:
Engine governor settings, hydraulic system calibration, transmission control adjustments, sensor calibration.
Depth Of Coverage:
Comprehensive, covering from basic maintenance to complete component overhauls and advanced diagnostics.
Target Audience:
Professional technicians, experienced mechanics, and knowledgeable owner-operators.
File Type:
Portable Document Format (PDF)
Searchability:
Searchable text for efficient information retrieval.
Scalability:
High-resolution diagrams and illustrations for clear viewing and printing.
Binding Format:
Digital (PDF), Print-on-Demand Enabled
Print Format Characteristics:
Printable on demand, allowing users to select and print specific pages or sections.
Engine Manufacturer:
Cummins (likely, standard for STX series of this era)
Engine Model:
QSM11 or similar high-horsepower diesel (specific variant to be confirmed by model year)
Displacement:
Approximately 11.0 Liters (common for Cummins QSM11)
Aspiration:
Turbocharged and Intercooled
Rated Horsepower:
Approximately 440 PTO horsepower (as indicated by model name)
Peak Torque:
High torque output for heavy draft operations (specific Nm or lb-ft to be found in manual)
Emissions Compliance:
EPA Tier 3 or equivalent (depending on model year and market)
Fuel Injection Type:
High-pressure common rail (HPCR) or similar modern injection system.
Fuel Filter Part Number:
Part number varies by specific engine and filter manufacturer; manual will specify.
Transmission Type:
Powershift (likely Case IH's own design) or continuously variable transmission (CVT) depending on specific STX440 variant and model year.
Transmission Options:
While often a single primary transmission type, different gear ratios or control software could be options.
Transmission Control:
Electronic shift control for seamless gear changes under load.
Transmission Fluid Type:
Specific Case IH or equivalent fluid; manual will specify part number and specification (e.g., Hy-Tran).
Overall Length:
Estimated 6-7 meters (subject to configuration and drawbar length).
Overall Width:
Typically 2.5 meters (or wider if road legal permits); subject to tire size and configuration.
Wheelbase:
Articulated frame provides a distinct wheelbase characteristic; specific measurement required from manual.
Operating Weight:
Typically exceeding 10,000 kg (22,000 lbs) without ballast.
Maximum Ballast Capacity:
Significant capacity for ballast to enhance traction; detailed specifications in manual.
Rollover Protection:
ROPS (Roll-Over Protective Structure) certified cab for operator safety.
Braking System:
Service brakes, parking brake, and potentially hydraulic trailer brakes compatibility.
Lighting:
Standard agricultural lighting including headlights, taillights, and work lights.
Seatbelts:
Operator seatbelt for restraint.
Cab Integrity:
Robust cab structure designed for impact resistance.
Cab Features:
While primarily a workhorse, cabs typically included AM/FM radio, climate control (AC/heating), and operator comfort features.
Autosteer Compatibility:
Later models or optional configurations may have integrated guidance systems or be compatible with aftermarket autosteer solutions. Manual would detail electrical interfaces.
Diagnostic Ports:
Standardized diagnostic connectors (e.g., CAN bus interfaces) for engine and transmission diagnostics. Manual will identify locations and protocols.
Engine Oil Change Interval:
Typically 250 or 500 hours, depending on operating conditions and oil specification. Manual will confirm.
Hydraulic Fluid Change Interval:
Typically 1000 or 2000 hours. Manual will specify.
Fuel Filter Replacement Interval:
Recommended intervals based on operating hours or specific diagnostics. Manual will specify.
Engine Oil Specification:
API CJ-4 or equivalent, specific viscosity grade (e.g., 15W-40) to be confirmed by manual.
Coolant Specification:
Permanent coolant with appropriate freeze and corrosion protection, typically a Heavy-Duty Organic Acid Technology (HOAT) formulation. Manual will specify.
Transmission Hydraulic Fluid:
Case IH Hy-Tran UT or equivalent, meeting specific viscosity and performance standards. Manual will specify.
Common Wear Points:
Articulation joint wear, high-pressure hydraulic hose integrity, electronic control unit (ECU) reliability, and PTO clutch wear are common areas for inspection and maintenance on high-horsepower articulated tractors.
Diagnostic Challenges:
Complex electronic control systems can require specialized diagnostic tools and knowledge, making the OEM manual essential for troubleshooting.
Manufacturer History:
Case IH has a long and distinguished history in agricultural machinery, known for innovation and robust designs.
Stx Series Development:
The STX series was a flagship line of articulated 4WD tractors for Case IH, offering high horsepower and advanced features, evolving from earlier articulated tractor designs.
Production Era:
STX440 was likely produced during the early to mid-2000s, representing a significant leap in tractor technology for its time.
