🏷️ Basic Information Identification Make: Yanmar Model: YM135 Vehicle Type: Tractor Codes Product Name: Yanmar YM135 tractor Workshop Service Repair Manual 👋 Introduction Market Position Segment: Compact Utility Tractor Target User: Small-scale farmers, landscapers, property owners requiring a versatile and reliable tractor. Competitive Analysis Historical Competitors: Kubota, Iseki, Mitsubishi, Shibaura tractors of similar vintage and horsepower. Key Features Tractor Philosophy: Emphasis on durability, simplicity of operation, and efficient power delivery for its class. Manual Utility: Essential resource for maintaining optimal performance and extending the service life of the Yanmar YM135. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: PDF Page Count Estimated Page Count: Varies (typically 200-500 pages for workshop manuals of this era) 📖 Manual Coverage Systems Covered Engine Service: Detailed engine overhaul, diagnostics, component replacement, fuel system, cooling system, lubrication system. Transmission Service: Gearbox disassembly/assembly, clutch operation, differential service, PTO operation. Hydraulic System: Hydraulic pump, cylinders, valve operation, fluid specifications, troubleshooting. Electrical System: Wiring diagrams, starter, alternator, battery, lighting, ignition system (if applicable). Chassis And Steering: Front axle, rear axle, steering mechanism, braking system, wheel alignment. Operator Controls: Leverage, pedal functions, dashboard indicators. Procedures Included Routine Maintenance: Lubrication points, fluid level checks, filter replacements, belt adjustments. Troubleshooting Guides: Diagnostic procedures for common operational issues, fault finding charts. Repair Procedures: Step-by-step instructions for disassembly, repair, and reassembly of all major components. Specification Data: Torque values, clearances, fluid capacities, pressure readings. Technical Depth Depth Of Coverage: Comprehensive, suitable for professional technicians and experienced mechanics. Diagnostic Capabilities: Advanced diagnostic information for engine, hydraulics, and transmission systems. 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Image Resolution: High-resolution scans for clear diagrams and text. Binding Type Physical Binding: N/A (Digital PDF format) Paper Type Physical Paper: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Model: Yanmar 2T75 (typical, exact model may vary by sub-variant) Engine Type: Diesel, 2-Cylinder, Indirect Injection Displacement: Approximately 0.75 Liters (750 cc) Performance Rated Horsepower: Approximately 13 HP (Drawbar/PTO rating may differ) Cooling System: Water-cooled Starting System: Electric Start Fuel System Fuel Type: Diesel Fuel Injection: Indirect Injection (IDI) with glow plugs for cold starts Lubrication System Oil Type: SAE 30 or 10W-30 Diesel Engine Oil (refer to manual for specific API service classification) Oil Capacity: Approximately 3.5 Liters (3.7 Quarts) with filter change 🔧 Transmission Standard Transmission Type: Sliding Gear, Manual Transmission Gear Configuration: Multiple Forward Gears (e.g., 8 forward) and Reverse Gears (e.g., 2 reverse) Features Pto Speeds: Standard PTO speeds (e.g., 540 RPM) Clutch Type: Dry Single Plate Clutch Fluid Specifications Transmission Fluid Type: API GL-4 Gear Oil (e.g., SAE 80W-90 or SAE 90) Transmission Fluid Capacity: Refer to manual for specific capacity 📐 Dimensions Exterior Overall Length: Approx. 2500-2700 mm (98-106 inches) Overall Width: Approx. 1200-1400 mm (47-55 inches) Wheelbase: Approx. 1500-1600 mm (59-63 inches) Weights Operating Weight: Approx. 800-950 kg (1760-2090 lbs) Front Tire Size: e.g., 5.00-12 Rear Tire Size: e.g., 8.3-24 🛡️ Safety Features Ratings Safety Standards: Adherence to relevant agricultural machinery safety standards of the period. Active Features Braking System: Mechanical Drum Brakes (Rear Wheels), Parking Brake Passive Features Operator Presence System: Typically not equipped on models of this era; operator vigilance required. Rollover Protection: ROPS (Roll-Over Protective Structure) often an optional or aftermarket addition. 💡 Technology Features Infotainment Dashboard Features: Basic analog gauges for oil pressure, coolant temperature, battery charge, and RPM/hour meter. Driver Assistance Traction Control: N/A (Mechanical differentials) Connectivity Electronic Connectivity: N/A (No modern electronic interfaces) 🔧 Maintenance Service Intervals Engine Oil Change: Every 100-200 operating hours or annually, whichever comes first. Air Filter Service: Inspect and clean every 50 operating hours; replace as needed. Fuel Filter Replacement: Every 200-300 operating hours or annually. Hydraulic Fluid Change: Every 500 operating hours or annually. Fluid Specifications Coolant Type: Ethylene Glycol based antifreeze mixed with distilled water (50/50 ratio). Hydraulic Fluid Type: ISO VG 46 Hydraulic Oil or equivalent (refer to manual for exact specification). Known Issues Common Wear Items: Clutch wear, hydraulic seal leaks, exhaust manifold gasket leaks, injector wear. Electrical Problems: Corroded connections, aging wiring harnesses, starter motor issues. Engine Starting Difficulty: Can be related to glow plug function, fuel system priming, or battery condition. 📚 Vehicle History Brand Heritage Manufacturer: Yanmar Co., Ltd. is a Japanese company founded in 1912, known for its diesel engines and agricultural machinery. Model Evolution Ym Series Context: The YM series represents Yanmar's line of compact and utility tractors, often produced for various global markets. Production Production Period: Likely produced in the 1970s or 1980s. 🏆 Awards & Recognition Recognitions Industry Recognition: Yanmar tractors are generally recognized for their reliability and durability in their class, though specific awards for the YM135 model are not readily documented.