🏷️ Basic Information Identification Make: Yanmar Model: YM155 / YM155D Vehicle Type: Compact Tractor Codes Product Name: Yanmar YM155 YM155D Tractor Workshop Service Repair Manual PDF Download 👋 Introduction Market Position Target Audience: Owners, operators, and maintenance technicians of Yanmar YM155 and YM155D tractors. Competitive Analysis Value Proposition: Provides essential, factory-accurate repair and maintenance information, saving costs compared to professional service or replacement parts. Key Features Manual Features: Hundreds of pages, detailed substeps, notes/cautions/warnings, numbered instructions, bold figure numbers, detailed illustrations/drawings/photos, enlarged insets, numbered table of contents, combined troubleshooting and electrical service with wiring diagrams. 📋 Manual Details Coverage Areas Covered Models: Yanmar YM155, YM155D Applicable Years: Not specified, but generally covers the production run of these models. Page Count Estimated Pages: Hundreds (exact count not provided in product information, but implies comprehensive coverage). Manual Type Type: Workshop Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine And Fuel: Engine, Diesel Fuel System Drivetrain: Transmission, Clutch, Final Drive, Rear Axle, Main Drive Bevel Gears and Differential, Differential Lock, Front-Wheel Drive (if applicable) Brakes And Steering: Brakes, Park Brake, Steering Gear, Power Steering System Hydraulic And Pto: Hydraulic System, Power Take-Off (PTO) Electrical And Body: Electrical System, Cab, Fenders, Fuel Tank & Platform, Front System Procedures Included Maintenance And Troubleshooting: General maintenance, diagnostics, troubleshooting, preventative maintenance. Repair And Overhaul: Complete disassembly and reassembly of all major components and systems. Electrical Diagnostics: Detailed wiring diagrams, troubleshooting procedures for electrical systems. Technical Depth Depth: Comprehensive factory-level repair and service information suitable for experienced mechanics and skilled DIYers. 📊 Manual Specifications File Format Format: PDF Compatibility: Windows and Mac OS Print Quality Printability: Printable without restriction, allowing users to print the entire manual or specific pages. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) Delivery Method: Instant Download Link upon payment completion. Requirements Software: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Model Typically Used: Likely Yanmar 3TNA series diesel engine (e.g., 3TNA72 or similar, specific to YM155 variants). Exact model number would be detailed within the manual. Performance Estimated Horsepower: Approximately 15-20 HP (specific figures vary by exact engine variant and model configuration). Displacement Estimated: Likely around 1.0 - 1.5 Liters (3 cylinders). Fuel System Fuel Type: Diesel Injection Type: Direct Injection (typical for Yanmar small diesel engines). 🔧 Transmission Standard Transmission Type: Manual Transmission with High/Low range (common for this class of tractor). Optional Drive Options: YM155D variant typically indicates a 4WD (Four-Wheel Drive) option. Features Gear Configurations: Likely a combination of synchronized gears for forward travel and a reverse gear. The manual will detail specific gear ratios. 📐 Dimensions Exterior Overall Length: Specific dimensions would be detailed in the manual, but generally compact for its class. Wheelbase: Specific dimensions would be detailed in the manual. Weights Operating Weight: Typically in the range of 1000-1500 kg (2200-3300 lbs), depending on configuration. Exact weight is in the manual. 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll-Over Protective Structure) typically present or an option. Manual will confirm and provide installation/maintenance if applicable. Active Features Braking System: Wet disc brakes (common for durability) and a separate parking brake mechanism. Passive Features Operator Station: Basic operator station with handrails and footrests. Manual will cover safety aspects of the cab/platform. 💡 Technology Features Infotainment Features: Basic tractor functionality. No advanced infotainment systems expected on this model. Driver Assistance Features: Primarily mechanical systems. Power steering may be present on some variants. Connectivity Features: N/A 🔧 Maintenance Service Intervals Engine Oil Change: Typically every 50-100 operating hours or annually, depending on usage. The manual will specify the exact interval and oil type. Air Filter Maintenance: Check and clean/replace as needed, especially in dusty conditions. Interval specified in manual. Transmission Oil Change: Refer to manual for specific interval, typically around 200-400 hours. Fluid Specifications Engine Oil Type: Likely a SAE 10W-30 or 15W-40 diesel engine oil, meeting API CD or higher specifications. Manual will confirm. Hydraulic Fluid Type: Typically a Universal Tractor Transmission Oil (UTTO) or a hydraulic oil meeting specific Yanmar specifications. Manual is critical here. Coolant Type: Ethylene Glycol based antifreeze/coolant mixture. Manual will specify concentration and type. Known Issues Common Wear Items: Fuel injectors, glow plugs (for cold starting), hydraulic pump seals, clutch wear, PTO clutch engagement issues. Electrical Common Problems: Wiring harness degradation, starter motor issues, battery terminal corrosion. Torques And Clearances Importance Of Specs: Manual contains crucial torque specifications for engine, drivetrain, and hydraulic components to ensure proper assembly and prevent damage. 📚 Vehicle History Brand Heritage Manufacturer: Yanmar Co., Ltd. is a Japanese manufacturer known for its wide range of diesel engines, agricultural machinery, construction equipment, and marine engines. Model Evolution Ym Series Context: The YM series represents Yanmar's line of compact and utility tractors, often favored for their reliability and efficiency...