Market Segment:
Heavy-duty agricultural tractor, articulated four-wheel drive.
Competitors:
John Deere 8R Series, New Holland T8 Series, AGCO Challenger MT Series.
Intended Use:
High-horsepower agricultural operations including primary tillage, planting, and heavy draft work.
Target Audience:
Professional farmers, agricultural contractors, and farm machinery maintenance technicians.
Engine Service:
Detailed diagnostics, repair, and overhaul procedures for the engine system.
Powertrain Service:
Comprehensive coverage of transmission, drivetrain, and final drive systems.
Hydraulic System Service:
Repair and maintenance procedures for the hydraulic pump, valves, cylinders, and associated components.
Electrical System Service:
Wiring diagrams, troubleshooting, component testing, and repair for the electrical and electronic systems.
Operator Station Service:
Procedures for servicing the cabin, controls, seating, and HVAC system.
Chassis And Frame Service:
Maintenance and repair for the tractor chassis, steering system, and drawbar/hitch components.
Braking System Service:
Repair and adjustment procedures for the braking system.
Cooling System Service:
Maintenance and repair of the radiator, coolant lines, and fan assembly.
Fuel System Service:
Procedures for servicing the fuel tank, lines, filters, and injection system.
Air Intake And Exhaust Service:
Maintenance and repair of the air cleaner, turbocharger, and exhaust system.
Troubleshooting:
Extensive diagnostic trees and troubleshooting guides for identifying and resolving common and uncommon issues.
Preventative Maintenance:
Detailed schedules and procedures for routine maintenance tasks.
Component Disassembly And Assembly:
Step-by-step instructions for removing, overhauling, and reassembling all major and minor components.
Torque Specifications:
Precise torque values for all critical fasteners and bolts.
Special Tool Identification:
Identification and usage instructions for specialized tools required for repairs.
Emission System Service:
Procedures for servicing exhaust aftertreatment systems if applicable to the specific model year's emission standards.
Safety Interlock System:
Diagnostics and repair of safety interlock mechanisms.
Climate Control Service:
Maintenance and repair of the cab's heating, ventilation, and air conditioning (HVAC) system.
Depth:
Comprehensive, covering from basic maintenance to advanced component overhaul and system diagnostics.
Searchability:
Typically text-searchable PDF for efficient information retrieval.
Printability:
Designed for clear printing of text and diagrams.
Binding Type For Digital:
N/A (Digital Download)
Paper Type For Printed Equivalent:
N/A (Digital Download - print to desired paper)
Engine Manufacturer:
Cummins (Typically for this era and model range, verify for specific STX325 build)
Engine Model:
Likely a Cummins QSX series engine (e.g., QSX15, verify for specific STX325 build)
Engine Displacement:
Likely 15.0 Liters (QSX15) (verify for specific STX325 build)
Rated Horsepower:
Approximately 325 engine horsepower (verify for specific STX325 build)
Peak Torque:
Requires specific engine variant data; often in the range of 1200-1300 lb-ft for comparable Cummins QSX engines (verify).
Fuel Injection:
Common Rail Fuel Injection (Typically for modern Cummins QSX engines)
Emission Control:
Tier 3 or Tier 4 emissions compliance (depending on model year and market; verify for specific STX325 build)
Transmission Type:
Powershift (e.g., 16x4 or 24x8 Powershift transmission, verify for specific STX325 build)
Optional Transmission:
Continuously Variable Transmission (CVT) or a higher gear count powershift may have been available depending on options and model year (verify for specific STX325 build).
Transmission Control:
Electronic shift controls with auto-shifting capabilities.
Pto Options:
Standard PTO speeds (e.g., 1000 PTO RPM, potentially 540 PTO RPM with an adapter or as an option; verify).
Overall Length:
Requires specific STX325 data; typically around 20-25 feet depending on configuration (verify).
Overall Width:
Requires specific STX325 data; typically around 8-10 feet without dual wheels (verify).
Wheelbase:
Requires specific STX325 data; typically around 12-14 feet for articulated tractors (verify).
Operating Weight:
Likely in the range of 20,000-25,000 lbs (unballasted, verify).
Maximum Allowable Weight:
Requires specific STX325 data; significantly higher to allow for ballast and heavy implements (verify).
Operator Safety:
ROPS (Roll-Over Protective Structure) certified cab.
Lighting:
Standard work lighting (headlights, taillights, beacon, fender lights).
Parking Brake:
Independent parking brake system.
Seatbelts:
Operator seatbelt for enhanced safety.
Emergency Stop:
May include an emergency engine shut-off feature.
Engine Oil Change:
Typically every 250-500 operating hours for heavy-duty diesel engines, depending on operating conditions and oil type (refer to manual).
Hydraulic Fluid Change:
Typically every 1000-1500 operating hours or annually (refer to manual).
Transmission Fluid Change:
Typically every 1000-1500 operating hours or annually (refer to manual).
Engine Oil Type:
API CJ-4 or newer, SAE 15W-40 or 10W-30 (verify specific engine requirement and viscosity for climate).
Hydraulic Fluid Type:
UTTO (Universal Tractor Transmission Oil) or Hy-Tran Plus (Case IH branded) meeting specific ISO VG or AGMA specifications (verify).
Coolant Type:
Heavy-duty OAT (Organic Acid Technology) coolant or traditional ELC (Extended Life Coolant) with appropriate mix ratio (verify).
Transmission Fluid Type:
May use the same UTTO/Hy-Tran Plus as the hydraulic system or a specific transmission fluid; refer to manual for exact specification.
Electrical Connectors:
Corrosion or looseness in electrical connectors can lead to intermittent faults.
Hydraulic Leaks:
Common with high usage; focus on seal integrity in pumps, valves, and cylinders.
Transmission Engagement:
Proper maintenance of powershift clutches and hydraulic control pressures is critical for smooth engagement.
Brand Legacy:
Case IH is a historic American brand known for agricultural machinery, with roots dating back to the 19th century, evolving from J.I. Case Company.
Stx Series:
The STX series represented Case IH's entry into the high-horsepower articulated tractor segment, succeeding earlier Steiger models after the acquisition.
Manufacturing Location:
Historically, Case IH articulated tractors were manufactured in Fargo, North Dakota, USA (legacy Steiger plant).
Production Years:
The STX325 model was typically produced in the early to mid-2000s (e.g., approximately 2003-2007 model years, verify specific STX325 production run).
