🏷️ Basic Information Identification Make: Komatsu Model: HM300-3 Vehicle Type: Articulated Dump Truck Serial Number Range: 30001 And Up Codes Product Code Generic: HM300-3_SRM 👋 Introduction Market Position Segment: Heavy-duty articulated dump truck for mining, construction, and quarry applications. Target Customer: Fleet owners, maintenance managers, heavy equipment mechanics, and construction site operators. Competitive Analysis Key Competitors: Caterpillar (e.g., 730C2), Volvo CE (e.g., A30F), Bell Equipment, John Deere. Key Features Payload Capacity: Approximately 30 metric tons. Articulation Design: Robust articulation hitch and steering system for excellent maneuverability in challenging terrain. Operator Environment: Comfortable and ergonomic operator cab designed for long working hours. Durability: Built with heavy-duty components and reinforced structures for maximum uptime and longevity in harsh environments. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive service and repair for the Komatsu HM300-3 Articulated Dump Truck. Page Count Page Count: Estimated 1000+ pages (typical for heavy equipment service manuals). Manual Type Manual Type: Service Shop Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine System: Detailed diagnostics, troubleshooting, repair, overhaul, and specifications for the Komatsu SAA6D125E-3 engine. Powertrain System: Coverage for the Komatsu Traction Support System (KTSS), transmission (model AT2000), torque converter, differentials, drive shafts, and final drives. Hydraulics System: Complete repair and troubleshooting for the steering system, hoist system (cylinders, pumps, valves), cooling fan, and auxiliary hydraulic circuits. Braking System: Detailed information on the wet disk brake system, retarder system, parking brake, and associated components. Electrical System: Wiring diagrams, component identification, troubleshooting for engine control, transmission control, powertrain management, chassis electricals, and lighting. Chassis And Articulation: Repair procedures for the frame, steering frame, kingpin, suspension, and articulation joints. Body And Cab: Procedures for cab removal/installation, body hoist cylinder, body removal/installation, and general bodywork. Procedures Included Routine Maintenance: Oil changes, filter replacements, lubrication points, greasing intervals, and inspection procedures. Troubleshooting: Systematic diagnostic procedures for identifying and resolving common and uncommon faults across all major vehicle systems. Component Repair: Detailed step-by-step instructions for disassembling, inspecting, repairing, and reassembling key components like engines, transmissions, pumps, and cylinders. Overhaul Procedures: Complete overhaul instructions for the engine, transmission, torque converter, and hydraulic cylinders. Diagnostic Charts: Fault code tables, symptom-to-cause diagnostic charts, and electrical schematic interpretation guides. Technical Depth Depth Level: Professional Level - suitable for trained mechanics and service technicians. Diagnostic Capability: Advanced diagnostic procedures including pressure testing, flow testing, electrical circuit analysis, and component testing. Rebuild Guidance: Detailed specifications for clearance, runout, wear limits, and reassembly torque values for all major internal engine and powertrain components. 📊 Manual Specifications File Format File Format: PDF Searchability: Fully searchable text content for quick information retrieval. Document Quality: High-resolution scanned images of original factory documentation, ensuring clarity of diagrams and text. Print Quality Print Readability: Optimized for clear printing, with readable schematics and instructions. Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Model: Komatsu SAA6D125E-3 Engine Type: 6-cylinder, turbocharged, aftercooled, direct injection diesel engine. Displacement: 11.04 liters (673.6 cu in) Performance Gross Horsepower: Approx. 230 kW (308 HP) @ 2000 rpm (subject to configuration). Net Horsepower: Approx. 213 kW (286 HP) @ 2000 rpm (subject to configuration). Peak Torque: Approx. 1200 Nm (885 lb-ft) @ 1400 rpm (subject to configuration). Fuel System Fuel Type: Diesel fuel Fuel Injection System: Common Rail Direct Injection (CRDI) Emissions Standard: EPA Tier 3 / EU Stage IIIA compliant (depending on region and specific build). 🔧 Transmission Standard Transmission Model: Komatsu AT2000 Transmission Type: Planetary gear type, automatic transmission with torque converter Number Of Gears: 6 forward, 3 reverse Features Electronic Control: Electronically controlled for optimized shift performance and fuel efficiency. Retarder Integration: Integrated retarder system for controlled downhill descents. Transmission Fluid Spec: Komatsu Genuine Oil DPF-LS (or equivalent API CD/CF/CG-4 specification). 📐 Dimensions Exterior Overall Length: Approx. 9,500 mm (31 ft 2 in) Overall Width: Approx. 3,000 mm (9 ft 10 in) Overall Height: Approx. 3,500 mm (11 ft 6 in) (to top of cab) Wheelbase: Approx. 4,300 mm (14 ft 1 in) Cargo Struck Capacity: Approx. 16.2 m³ (21.2 cu yd) Heaped Capacity: Approx. 20.3 m³ (26.6 cu yd) Weights Operating Weight: Approx. 24,000 kg (52,900 lb) Payload Capacity: Approx. 30,000 kg (66,140 lb) 🛡️ Safety Features Ratings Safety Features Standard: ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) compliant cab. Active Features Braking System: Fully hydraulic, wet multi-disc brakes with dual-circuit actuation and automatic parking brake. Visibility: Large cab windows and mirrors for enhanced operator visibility; optional rearview camera system. Passive Features Operator Protection: Integrated ROPS/FOPS structure within the cab for operator safety. 💡 Technology Features Infotainment Infotainment Features: Basic operator information displays, diagnostics, and engine monitoring. Not typically equipped with advanced infotainment systems common in passenger vehicles. Driver Assistance Payload Meter: Integrated payload meter to monitor load weights...