🏷️ Basic Information Identification Make: Yanmar Model: YM155D Codes Product Name: Yanmar YM155D Factory Service Repair Manual 👋 Introduction Market Position Target Audience: Owners, technicians, and repair shops of Yanmar YM155D tractors. Competitive Analysis Value Proposition: Provides essential, in-depth repair and maintenance information to reduce reliance on costly professional services and extend equipment lifespan. Key Features Ease Of Use: Intuitive layout with a table of contents for quick information retrieval. Accessibility: Downloadable PDF format accessible on various devices. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: PDF Page Count Page Count: Not Specified (Assumed comprehensive) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed engine overhaul, component replacement, timing, and specifications. Fuel System: Fuel injection, pump, injectors, filters, and related diagnostics. Cooling System: Radiator, thermostat, water pump, hoses, and coolant specifications. Lubrication System: Oil pump, oil filter, oil passages, and lubrication intervals. Exhaust System: Muffler, pipes, and emissions control components (if applicable). Transmission And Drivetrain: Gearbox, clutch, PTO, 4WD system, drive shafts, and differentials. Hydraulic System: Hydraulic pump, cylinders, control valves, and fluid specifications. Electrical System: Wiring diagrams, starter, alternator, battery, lighting, and ignition system. Braking System: Brake assembly, hydraulic lines, master cylinder, and adjustments. Steering System: Steering column, linkage, and adjustments. Chassis And Frame: Frame construction, axle components, and structural integrity. Body And Fenders: Body panels, fenders, seat, and controls. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication, and general inspections. Preventive Maintenance: Scheduled servicing, component checks, and replacement intervals. Troubleshooting: Diagnostic procedures for common problems and error codes. Engine Repair And Rebuild: Complete engine disassembly, inspection, repair, and reassembly. Transmission Repair: Gearbox disassembly, clutch replacement, and seal servicing. Hydraulic System Repair: Pump, cylinder, and valve troubleshooting and repair. Electrical Diagnostics: Wiring diagram interpretation, circuit testing, and component diagnosis. Brake System Servicing: Brake bleeding, adjustment, and component replacement. Component Adjustment: Valve lash, clutch, and brake adjustments. Technical Depth Depth: Comprehensive factory-level repair and maintenance information. 📊 Manual Specifications File Format File Format: PDF Software Requirements: Adobe PDF Reader Compression Utility: WinZip (or equivalent) Compatibility: Windows & Mac operating systems Print Quality Print Quality: High-resolution, suitable for printing. Binding Type Binding Type: Digital Download (Not applicable for physical product) Paper Type Paper Type: Digital PDF (Not applicable for physical product) ⚙️ Engine Specifications Primary Engine Engine Type: Diesel Engine Model Code: Likely a Yanmar 3T75HL or similar 3-cylinder diesel engine (specific code not provided in product info). Performance Horsepower: Approximately 15 HP (details may vary by specific sub-model and region). Displacement: Likely in the range of 1.2 to 1.5 liters (specifics for YM155D not provided). Fuel System Fuel Delivery: Indirect Injection (IDI) diesel fuel system. Governor Type: Mechanical governor. 🔧 Transmission Standard Transmission Type: Manual transmission with high/low range gearing. Gear Configurations: Likely 8 forward and 2 reverse gears (typical for this model series). Features Clutch Type: Single dry plate clutch. Power Take Off: Rear PTO, likely with 540 RPM standard. 📐 Dimensions Exterior Overall Length: Variable based on configuration, typically around 2.5-3 meters. Weights Operating Weight: Approximately 800-1000 kg. 🛡️ Safety Features Ratings Safety Features Inherent: ROPS (Roll Over Protective Structure) might be optional or standard depending on market. Active Features Parking Brake: Independent parking brake system. 💡 Technology Features Infotainment Infotainment Features: Basic tractor controls, no advanced infotainment systems typical of modern vehicles. Driver Assistance Driver Assistance Features: Limited to mechanical safety features and operator controls. 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 100-200 operating hours or annually, whichever comes first (refer to manual for exact intervals). Fuel Filter Replacement: Recommended at specific hour intervals or when experiencing fuel issues. Air Filter Maintenance: Regular cleaning and replacement based on operating conditions. Fluid Specifications Engine Oil Type: API CF or CD classification diesel engine oil, SAE 10W-30 or 15W-40 (check manual for specific viscosity based on temperature). Transmission Hydraulic Fluid: Yanmar specific tractor fluid or equivalent UTF (Universal Tractor Transmission Fluid) or ISO VG 46 hydraulic oil. Coolant Type: Ethylene glycol-based antifreeze coolant, typically 50/50 mix with distilled water. Known Issues Common Problems: Potential for injector pump issues, hydraulic system leaks, and general wear and tear on older units. Operator error leading to clutch wear is also possible. 📚 Vehicle History Brand Heritage Brand Focus: Yanmar is a well-established Japanese manufacturer known for its agricultural machinery, compact tractors, and diesel engines. Model Evolution Series Context: The YM series represents Yanmar's line of compact utility tractors, designed for small to medium-sized farms, landscaping, and general property maintenance. 🏆 Awards & Recognition Recognitions Brand Recognition: Yanmar is globally recognized for its durable and reliable diesel engines and agricultural equipment.