🏷️ Basic Information Identification Make: Komatsu Model: HD785-5LC Vehicle Type: Dump Truck Product Type: Service Repair Manual + Operation & Maintenance Manual 👋 Introduction Market Position Market Position: Heavy-duty mining and construction dump truck, designed for demanding off-highway applications, offering high payload capacity and durability. Competitive Analysis Competitors: Caterpillar (e.g., 777 series), Liebherr (e.g., T 264), BelAZ, Hitachi. Key Features Key Features: Robust chassis, powerful engine, advanced hydraulic system for efficient dumping, comfortable operator station, designed for low operating costs and high productivity. Target Audience Target Audience: Komatsu HD785-5LC dump truck owners, fleet managers, maintenance technicians, and repair shops. 📋 Manual Details Coverage Areas Service Repair Coverage: Detailed maintenance, assembly, disassembly, repair, overhaul, troubleshooting, and diagnostics for all major vehicle systems and components. Operation Maintenance Coverage: Safe operation procedures, daily checks, lubrication, fluid level checks, filter replacement, scheduled maintenance, adjustments, and safety information. Page Count Service Repair Manual Page Count: Estimated 1000+ pages (typical for this class of vehicle and depth of information) Operation Maintenance Manual Page Count: Estimated 200+ pages (typical for comprehensive O&M) Manual Type Manual Type 1: Service Repair Manual Manual Type 2: Operation & Maintenance Manual Language Language: English Format Format: Digital (likely PDF, searchable) 📖 Manual Coverage Systems Covered Engine System: Complete engine overhaul, fuel system, lubrication system, cooling system, intake and exhaust systems, engine control unit (ECU) diagnostics and repair. Transmission System: Automatic transmission (Torque Converter transmission), hydraulic system, electronic control, repair, and overhaul of transmission components. Drivetrain System: Propeller shafts, differentials, drive axles, final drives, hub reduction gears, lubrication, and repair. Hydraulic System: Main hydraulic pumps, control valves, cylinders (hoist, steering), hoses, fittings, filters, troubleshooting, and maintenance of the hydraulic circuit. Braking System: Service brakes (wet multi-disc), parking brake, retarder system, brake actuation, adjustment, and component replacement. Steering System: Hydraulic power steering, steering linkage, components, troubleshooting, and repair. Electrical System: Starting system, charging system, battery, lighting, starter motor, alternator, wiring diagrams, fuses, relays, electronic control modules (ECM). Operator Station: Cabin interior, seating, controls, instrumentation, HVAC system (if applicable), visibility, and safety features. Body And Chassis: Frame, dump body, suspension components, lifting mechanisms, fenders, bumpers, and general chassis maintenance. Cooling System: Radiator, fan, water pump, coolant specifications, troubleshooting, and maintenance. Lubrication System: Oil pump, oil filter, lubrication points, oil specifications, and lubrication schedules. Procedures Included Maintenance Procedures: Regular maintenance checks, lubrication, filter changes, fluid level checks, greasing intervals, adjustments, and preventative maintenance. Repair Procedures: Step-by-step repair instructions for all major components, including disassembly, cleaning, inspection, reassembly, and torquing specifications. Troubleshooting Procedures: Systematic diagnostic guides, symptom-based troubleshooting, fault code interpretation, and corrective actions. Overhaul Procedures: Complete rebuild instructions for major components like engines, transmissions, hydraulic pumps, and cylinders. Assembly Disassembly: Detailed instructions for the removal and installation of all parts and assemblies, with specific tool requirements and safety precautions. Adjustment Procedures: Precise instructions for adjusting brakes, clutches, linkages, and other systems to ensure optimal performance. Technical Depth Technical Depth Level: Comprehensive and in-depth, covering from basic maintenance to complete engine and transmission overhauls, including advanced diagnostics. Diagnostic Capabilities: Includes diagnostic flowcharts, error code explanations, and troubleshooting steps for electronically controlled systems. Specification Detail: Detailed torque specifications, clearances, fluid capacities, pressures, and electrical resistance/voltage values. Diagrams Illustrations: Abundant schematics, exploded views, and technical illustrations to clarify assembly, disassembly, and repair procedures. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) - Searchable text and high-resolution images. Print Quality Print Quality: Designed for clarity and readability, suitable for printing individual pages or the entire manual. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Make: Komatsu Engine Model: SAA6D170E-5 Engine Type: Inline 6-cylinder, Turbocharged, Aftercooled, Diesel Displacement: 24.2 Liters (1477 cu. in.) Performance Gross Horsepower: 577 HP (430 kW) @ 1800 RPM (This is an estimated figure, actual may vary slightly) Net Horsepower: 530 HP (395 kW) @ 1800 RPM (This is an estimated figure, actual may vary slightly) Max Torque: Estimated 1620 lb-ft (2200 Nm) @ 1400 RPM Fuel System Fuel System Type: Common Rail Electronic Fuel Injection (EFI) Fuel Type: Diesel Fuel Emission Standards Emission Compliance: Tier 3 / Stage IIIA compliant (or equivalent for specific markets) 🔧 Transmission Standard Transmission Transmission Type: Komatsu Automatic Transmission (Heavy-duty torque converter with planetary gear sets) Number Of Speeds: Typically 6 Forward / 1 Reverse (for this class) Features Transmission Control: Electronic Control Unit (ECU) with automatic shift control and diagnostic capabilities. Transmission Cooling: Integrated hydraulic oil cooler. 📐 Dimensions Exterior Overall Length: Approx. 9.8 - 10.5 meters (32 - 34.5 ft) Overall Width: Approx. 4.5 - 5.0 meters (14.8 - 16.4 ft) Overall Height: Approx. 4.5 - 4.8 meters (14.8 - 15.7 ft) (to top of cab) Cargo Rated Payload Capacity: Approx. 78 Metric Tons (86 Short Tons) Body Capacity Heaped: Approx. 49 m³...