🏷️ Basic Information Identification Make: Komatsu Model: D87E-2, D87P-2 Vehicle Type: Crawler Tractor Codes Manual Product Name: Komatsu D87E-2 D87P-2 Crawler Tractor Service Repair Manual + Operation & Maintenance Manual 👋 Introduction Market Position Vehicle Class: Heavy-duty crawler tractor, suitable for earthmoving, land clearing, and heavy construction applications. Competitive Analysis Competitors: Caterpillar D7/D8 series, John Deere 750/850 series, Case IH Quadtrac (though different vehicle type, competes in tracked earthmoving). Key Features Durability: Renowned Komatsu robustness and reliability for demanding work environments. Operator Comfort: Designed for operator efficiency and comfort during long working hours (relative to its era). Power And Performance: Sufficient power and tractive effort for challenging tasks. 📋 Manual Details Coverage Areas Manual Sections Included: Service Repair Manual; Operation & Maintenance Manual Page Count Service Repair Manual Estimated Pages: Estimated 700-900 pages (typical for this class of equipment service manual) Operation Maintenance Manual Estimated Pages: Estimated 150-250 pages (typical for this class of equipment O&M manual) Manual Type Primary Manual Type: Service and Repair Manual Secondary Manual Type: Operation and Maintenance Manual Language Language: English (Standard for Komatsu technical documentation) Format Format: Digital (likely PDF, commonly distributed for service manuals) 📖 Manual Coverage Systems Covered Engine System: Engine disassembly, assembly, overhaul, troubleshooting, fuel system, lubrication system, cooling system, intake and exhaust systems, engine control system. Powertrain System: Transmission (hydrostatic/powershift), final drives, drive shafts, differentials, steering clutch and brake systems (if applicable). Undercarriage System: Track frames, rollers, idlers, sprockets, track components, lubrication, adjustment, and repair. Hydraulic System: Hydraulic pump, control valves, cylinders, motors, filters, lines, reservoirs, troubleshooting, maintenance, and component testing. Electrical System: Starter, alternator, battery, wiring diagrams, sensors, control modules, lighting, troubleshooting, diagnostic procedures. Operator Station: Cab structure, seat, controls, instrumentation, HVAC system (if equipped), safety features. Ripper Attachment: Hydraulic ripper system, shanks, components, maintenance, and repair (if applicable). Blade Attachment: Hydraulic blade controls, tilt, pitch, angle adjustments, components, maintenance, and repair. Procedures Included Maintenance Procedures: Scheduled maintenance, lubrication points, fluid level checks, filter replacement, greasing intervals, track tension adjustment. Diagnostic Procedures: Troubleshooting charts, symptom-based diagnostics, fault code interpretation, electrical system diagnostics, hydraulic system diagnostics. Repair Procedures: Step-by-step disassembly and reassembly instructions for all major components and systems, torque specifications, special tool requirements. Overhaul Procedures: Complete engine, transmission, hydraulic pump, and cylinder overhaul instructions, including component tolerances and specifications. Adjustment Procedures: Valve lash adjustment, brake band adjustment, steering clutch adjustment, track tension adjustment, hydraulic control adjustments. Troubleshooting Guide: Systematic approach to identifying and resolving common and uncommon issues. Technical Depth Depth Of Coverage: Comprehensive (covers everything from routine maintenance to complete engine and powertrain rebuilds). Diagnostic Capabilities: Advanced diagnostics, including sensor testing, electrical circuit analysis, and hydraulic system performance testing. Rebuild Specifications: Detailed specifications for all rebuildable components, including clearances, tolerances, and wear limits. 📊 Manual Specifications File Format File Type: PDF (Portable Document Format) Searchability: Likely searchable text content for easy keyword retrieval. Print Quality Graphics Resolution: High resolution for clear diagrams, schematics, and photographic illustrations. Binding Type Physical Binding: N/A (digital format, but if printed would be spiral-bound or similar for lay-flat use in a workshop). Paper Type Physical Paper Quality: N/A (digital format, but workshop manuals are typically printed on durable, grease-resistant paper). ⚙️ Engine Specifications Primary Engine Engine Model: Komatsu S6D125E-2 (or similar variant of the 125 series) Performance Net Horsepower: Approximately 230-250 HP (This is an estimated range for this class of tractor; exact figures would be in the manual). Gross Torque: Estimated 700-750 lb-ft (This is an estimated range for this class of tractor; exact figures would be in the manual). Fuel System Fuel System Type: Direct injection, turbocharged, intercooled diesel engine. Fuel Type: Diesel Fuel (ASTM D975 or equivalent) Cooling System Coolant Type: Ethylene glycol-based coolant with corrosion inhibitors (e.g., 50% coolant, 50% deionized water). Lubrication System Engine Oil Specification: API CD or CE classification, SAE 15W-40 or 10W-30 depending on ambient temperature (refer to manual for precise recommendations). 🔧 Transmission Standard Transmission Type: Komatsu Advanced Hydro-shift Transmission (Hydrostatic or Torque Converter with Powershift) Optional Optional Transmission: N/A (Typically a single, robust transmission design for this model). Features Transmission Features: Variable speed control, high tractive effort, smooth shifting. Fluid Specifications Transmission Fluid Type: Komatsu genuine transmission oil or equivalent (e.g., Caterpillar TO-4 specification fluid, SAE 30 or 50 depending on application and temperature - consult manual). 📐 Dimensions Exterior Operating Weight: Approximately 20,000 - 23,000 kg (44,000 - 50,700 lbs) depending on configuration (blade, ripper, cab). Ground Pressure: Relatively low ground pressure for its class, enhancing flotation and traction. Cargo Blade Capacity: Standard semi-U or straight blade, capacity varies by blade type and width (e.g., 4.5 - 5.5 m³). Weights Transport Weight: Lower than operating weight due to removal of attachments and fluids. 🛡️ Safety Features Ratings Cab Safety Features: ROPS (Roll-Over Protective Structure) and FOPS (Falling Objects Protective Structure) equipped cab/canopy....