🏷️ Basic Information Identification Make: Yanmar Model: YM135D Product Type: Workshop Service Repair Manual 👋 Introduction Market Position Target Audience: Mechanical technicians, service centers, experienced DIY owners. Competitive Analysis Manual Value: Provides essential information for efficient and accurate maintenance and repair, reducing downtime. Key Features Diagnostic Focus: Emphasis on troubleshooting and diagnostic procedures for complex issues. Completeness: Covers a wide range of systems and procedures necessary for full service. 📋 Manual Details Coverage Areas Manual Format: PDF Language: English Manual Type: Workshop Service Manual 📖 Manual Coverage Systems Covered Engine Service: Complete engine overhaul, diagnostics, component replacement, tuning. Fuel System: Fuel injection pump, injectors, fuel lines, filters, troubleshooting. Cooling System: Radiator, water pump, thermostat, hoses, coolant specifications. Lubrication System: Oil pump, oil filter, oil pressure diagnostics, lubrication points. Transmission Service: Gearbox disassembly, assembly, clutch service, PTO operation, hydraulic transmission components. Hydraulic System: Hydraulic pump, control valve, cylinders, hoses, fluid specifications, troubleshooting. Electrical System: Starter, alternator, battery, lighting, wiring diagrams, ignition system, troubleshooting. Steering System: Steering mechanism, linkages, troubleshooting. Braking System: Brake mechanism, adjustment, maintenance, fluid specifications. Front Axle And Steering: Front axle components, steering linkage, alignment. Rear Axle And Drive: Rear axle components, differential, drive shafts. Power Take Off Pto: PTO engagement, maintenance, troubleshooting. Chassis And Frame: Frame structure, component mounting. Bodywork And Fenders: Hood, fenders, operator platform. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication points, fluid level checks. Troubleshooting: Diagnostic procedures for common and uncommon issues. Repair Procedures: Step-by-step instructions for component removal, installation, and repair. Overhaul Procedures: Detailed instructions for complete engine and transmission overhauls. Adjustment Procedures: Clutch adjustment, brake adjustment, PTO adjustment. Diagnostic Charts: Flowcharts and symptom-based troubleshooting guides. Technical Depth Depth Of Coverage: Comprehensive technical information suitable for professional technicians. Diagnostic Capabilities: Includes detailed diagnostic procedures for identifying system malfunctions. Component Specifications: Provides torque values, clearances, and other critical specifications. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF, enabling quick information retrieval. Print Quality Image Resolution: Assumed high resolution for clear diagrams and text. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Type: Diesel Engine Model: Likely a Yanmar 3-cylinder diesel engine, specific model number may vary but often based on the YM series. Performance Horsepower Rating: Approx. 13-15 HP (Horsepower is nominal, actual PTO output may differ). Displacement: Typically in the range of 700-900 cc (Cubic Centimeters) for this class of tractor. Fuel System Fuel Type: Diesel Injection System: Direct injection, likely with a mechanical injection pump (e.g., Bosch or Yanmar manufactured). 🔧 Transmission Standard Transmission Type: Manual transmission, likely with a gear-drive system. Optional Optional Features: May include creeper gears or a synchronized shuttle shift depending on the exact configuration. Features Gear Configurations: Typically 8-speed forward and 2-speed reverse (or similar configuration). Pto Speeds: Standard PTO speeds (e.g., 540 RPM) will be detailed. 📐 Dimensions Exterior Wheelbase: Specific dimensions will be in the manual, typical for compact tractors. Overall Length: Specific dimensions will be in the manual, typical for compact tractors. Overall Width: Specific dimensions will be in the manual, typical for compact tractors. Weights Operating Weight: Approximately 1,100 - 1,300 kg (dependent on configuration). 🛡️ Safety Features Ratings Rollover Protection: May not include a factory ROPS as standard on all models; manual will detail mounting points and types. Active Features Parking Brake: Standard mechanical parking brake. Passive Features Operator Station: Open operator station with operator presence control systems. 💡 Technology Features Infotainment Infotainment System: Basic operator controls, no complex infotainment system typically found on this model. Driver Assistance Driver Assistance Features: None; tractor focuses on functional operation. Connectivity Connectivity Options: None. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-200 operating hours or annually, as specified in the manual. Fuel Filter Replacement: Recommended at specific intervals or based on fuel quality. Air Filter Maintenance: Regular inspection and cleaning/replacement based on operating conditions. Fluid Specifications Engine Oil Type: API CD or CE grade diesel engine oil, SAE 10W-30 or 15W-40 recommended based on ambient temperature. Specific viscosity will be detailed. Hydraulic Fluid Type: ISO VG 46 hydraulic fluid or equivalent. Manual will specify Yanmar part numbers or equivalent standards. Transmission Fluid Type: GL-4 gear oil, viscosity grade will be specified (e.g., 80W-90). Known Issues Common Wear Items: Clutch wear, hydraulic seal leaks, starter motor reliability, PTO seal leaks. Engine Idling Issues: Can be related to fuel system maintenance, injection pump timing, or air intake restrictions. 📚 Vehicle History Brand Heritage Manufacturer: Yanmar is a Japanese company with a long history in diesel engines and compact machinery. Model Evolution Ym Series Context: The YM series represents Yanmar's line of compact utility tractors, known for their reliability and efficiency. Production Production Period: The YM135D was likely produced in the late 1980s to early 1990s, a common...