🏷️ Basic Information Identification Make: Kubota Model: STa-35 Product Type: Service Repair Manual Download Product Name: Kubota STa-35 Tractor WSM Service Manual Repair 👋 Introduction Market Position Market Position: Specialized agricultural and utility tractor segment. Key Features Key Features: Designed for versatility in farming, landscaping, and property maintenance tasks. Known for reliability and ease of operation. This manual facilitates DIY repairs and maintenance, saving costs. 📋 Manual Details Coverage Coverage Areas: All areas of repair, routine maintenance Page Count Page Count: Not Specified (Implied Comprehensive) Manual Type Manual Type: Workshop Service Manual (WSM) Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Systems Covered: Engine, Transmission, Drivetrain, Hydraulics, Electrical System, Chassis, Steering, Braking System, PTO (Power Take-Off), Implement Control Systems, Operator Station, Bodywork. Procedures Procedures Included: Routine Maintenance, Scheduled Servicing, Troubleshooting Guides, Diagnostic Procedures, Step-by-Step Repair Instructions, Component Overhaul, Wiring Diagrams Interpretation, Assembly and Disassembly Procedures, Fluid Level Checks and Changes, Filter Replacements, Lubrication Procedures. Depth Technical Depth: In-depth, professional quality, full repair coverage. 📊 Manual Specifications File Details File Format Detail: PDF Print Quality Print Quality: Full Printable Binding Type Binding Type: Digital Download (Printable) Paper Type Paper Type: N/A (Digital) Software Requirements Software Requirements: Adobe PDF Reader Compatibility Compatible Operating Systems: All Versions of Windows & Mac Delivery Method Delivery Method: Instant Download ⚙️ Engine Specifications Primary Engine Engine Type: Diesel Engine Manufacturer: Kubota Engine Model: Likely a 3-cylinder Kubota D-series diesel engine (specific model dependent on exact STa-35 configuration, common for this series). Performance Horsepower: Approximately 35 HP (PTO horsepower may vary). Fuel System Fuel Type: Diesel Fuel Injection: Direct Injection (typical for Kubota diesel engines of this era). Cooling System Cooling Method: Liquid-cooled 🔧 Transmission Standard Transmission Transmission Type: HST (Hydrostatic Transmission) is a common feature on STa series tractors. Transmission Features: Variable speed control, forward/reverse shuttle operation. Drive System Drive Type: 4WD (Four-Wheel Drive) Differential Lock: Typically equipped with a rear differential lock for enhanced traction. 📐 Dimensions Exterior Wheelbase: Varies by configuration, but typically around 60-70 inches for this class. Weights Operating Weight: Typically in the 2000-3000 lb range, depending on attachments. Hitch Rear Hitch Type: Category I 3-point hitch Pto Pto Type: Rear PTO, likely 540 RPM standard. 🛡️ Safety Features Operator Station Operator Station Features: Open operator station (ROPS - Roll Over Protection Structure likely standard or optional). Guards Guards: PTO shields, drive shaft guards, and other safety guards are critical. 💡 Technology Features Infotainment Infotainment System: N/A (Focus is on functional operation, not infotainment). Driver Assistance Driver Assistance Features: N/A (Focus is on mechanical and operational features). Operator Interface Operator Interface: Mechanical controls for HST, PTO engagement, 3-point hitch, steering, and throttle. 🔧 Maintenance Service Intervals Engine Oil Change Interval: Typically every 50-100 operating hours or annually, whichever comes first (refer to manual for specifics). Transmission Fluid Change Interval: Varies by transmission type (HST typically requires regular fluid and filter changes, e.g., every 200-400 hours). Hydraulic Fluid Change Interval: Typically every 200-400 operating hours. Fluid Specifications Engine Oil Specification: Kubota recommends specific viscosity grades (e.g., SAE 10W-30 or 15W-40 API CF-4 or higher) depending on ambient temperature. Consult the manual for precise Kubota UDT or equivalent fluid. Transmission Hydraulic Fluid Type: Kubota UDT (Universal Transmission and Differential Oil) or equivalent is commonly specified for HST transmissions and hydraulics. Coolant Specification: Ethylene glycol-based antifreeze with a 50/50 mix with distilled water for freeze protection and corrosion inhibition. Grease Type: Lithium complex grease or multi-purpose grease. Known Issues Common Issues: Potential issues can include wear on PTO clutch splines, hydraulic filter clogging, HST pump strain if fluid maintenance is neglected, and general wear on pivot points and seals from regular use. Filters Engine Oil Filter Part Number: Specific part number required (e.g., HH150-32430 or equivalent, verify in manual). Fuel Filter Part Number: Specific part number required (e.g., 15221-43170 or equivalent, verify in manual). Hydraulic Filter Part Number: Specific part number required for HST and hydraulic system (e.g., HFK-25 or equivalent, verify in manual). 📚 Vehicle History Brand Heritage Brand Heritage: Kubota is a globally recognized manufacturer of agricultural machinery, construction equipment, and engines, renowned for durability and innovation. Model Evolution Model Evolution: The STa series typically represents a line of compact tractors offering advanced features for smaller-scale operations. 🏆 Awards & Recognition Recognitions Recognitions: Kubota tractors are generally recognized for reliability and value within the compact tractor market.