🏷️ Basic Information Identification Make: Komatsu Model: HM300-2 Vehicle Type: Articulated Dump Truck Codes Product Code: HM300-2 👋 Introduction Market Position Segment: Heavy Construction Equipment - Articulated Dump Trucks Application: Designed for demanding off-highway applications such as mining, quarrying, and large-scale earthmoving projects. Competitive Analysis Competitors: Caterpillar (740 series), Volvo (A35/A40 series), John Deere (260E/310E), Bell Equipment (B40 series) Key Features Articulation Steering: Robust articulation and steering system for excellent maneuverability in confined spaces and challenging terrain. Payload Capacity: Designed for significant payload capacities, enhancing productivity per cycle. Durability: Built with heavy-duty components and robust construction for extended service life in harsh environments. Operator Comfort: Ergonomically designed operator's cab aimed at reducing fatigue and improving operational efficiency. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics, Wiring Diagrams Page Count Estimated Pages: Varies by specific edition, typically 800-1200 pages for comprehensive service manuals of this type. Manual Type Type: Factory Service and Repair Workshop Manual Language Language: English (assumed, standard for most factory service manuals presented for international markets unless specified otherwise) Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Final Drives, Differentials, Axles Chassis And Frame: Frame, Suspension (Articulated Steering, Axle Mounts), Lifting Cylinders Hydraulics: Hydraulic System Operation, Pumps, Valves, Cylinders, Hoses, Filters, Steering System, Hoist System Electrical: Starter System, Charging System, Lighting, Instruments, Control Systems, Sensors, ECMS (Engine Control Modules), TCMs (Transmission Control Modules), Wiring Diagrams Operator Station: Cab Components, Controls, HVAC System, Seating Brakes: Service Brakes (Wet Multi-disc), Parking Brake, Retarder System Cooling: Radiator, Fan, Thermostat, Coolant Passages Exhaust: Exhaust Manifold, Piping, Muffler (if applicable) Fuel System: Fuel Tank, Fuel Lines, Fuel Filters, Injection System Components Procedures Included Maintenance: Lubrication Schedules, Filter Replacements, Fluid Checks and Changes, Greasing Points Troubleshooting: Systematic Diagnostic Procedures, Symptom-based Troubleshooting Guides, Fault Code Interpretation Repair: Component Disassembly, Reassembly, Adjustment, Overhaul Procedures for all Major Systems Diagnostics: Electrical Schematics Analysis, Hydraulic Pressure Testing, Engine Performance Diagnostics Calibration: Control Module Calibration, Sensor Alignment Installation: Component Replacement, Accessory Installation Guidelines Technical Depth Depth: Comprehensive Factory Level: Covers routine maintenance, detailed diagnostics, component overhaul, and complete rebuilding procedures. Includes electrical schematics and hydraulic circuit diagrams. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely searchable text, allowing for quick access to information via keywords. Print Quality Quality: Digital files usually offer high-resolution images and clear text, suitable for on-screen viewing or printing. Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Make Model: Komatsu SAA6D125E-5 (typical for this generation) Engine Type: Turbocharged, Aftercooled, Direct Injection, Diesel Displacement: 11.04 liters (approx.) Emission Standards: Likely Tier III or equivalent depending on market of original sale. May have variants for other regions. Performance Net Horsepower: Approximately 230-250 kW (308-335 hp) at rated RPM. Gross Horsepower: Approximately 247-264 kW (331-354 hp) at rated RPM. Peak Torque: Around 1100-1250 Nm (811-922 lb-ft) at approx. 1400-1500 RPM. Fuel System Fuel Type: Diesel Fuel Injection System: Common Rail Injection System (likely) or advanced mechanical injection. Fuel Filter: Primary and Secondary Fuel Filters (specific part numbers would be in the manual). 🔧 Transmission Standard Transmission Type: Komatsu Advanced Transmission (KTCS - Komatsu Traction Control System) Number Of Gears: 6-speed, full automatic powershift Transmission Control: Electronically controlled for optimal shift points and fuel efficiency. Features Traction Control: Automatic traction control system to optimize grip and reduce tire slip, especially in slippery conditions. Retarder: Integrated retarder system for controlled downhill braking, reducing wear on service brakes. Torque Converter: Lock-up torque converter for improved fuel efficiency at higher speeds. Fluid Specifications Transmission Fluid Type: Komatsu genuine transmission oil or equivalent (e.g., CAT TO-4 equivalent, Allison TES 439/TES 295 standards for some components). Specific viscosity (e.g., 10W). 📐 Dimensions Exterior Overall Length: Approx. 9.8 - 10.5 meters (varies with body configuration) Overall Width: Approx. 3.0 - 3.3 meters Overall Height: Approx. 3.3 - 3.5 meters (to cab top) Wheelbase: Approx. 4.0 - 4.2 meters Cargo Payload Capacity: 30,000 kg (30 metric tons) Body Volume Heaped: Approx. 17.1 - 19.0 m³ (SAE Heaped) Body Volume Struck: Approx. 13.7 - 15.4 m³ (SAE Struck) Weights Operating Weight: Approx. 23,000 - 25,000 kg (unladen) Gross Vehicle Weight: Approx. 53,000 - 55,000 kg (fully loaded) Front Axle Load Max: Approx. 15,000 kg Rear Axle Load Max: Approx. 38,000 kg 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll-Over Protective Structure) and FOPS (Falling-Object Protective Structure) compliant cab. Active Features Braking System: Full hydraulic, enclosed wet multi-disc brakes on all wheels. Secondary braking system, parking brake. Visibility: Large windows, optimized cab design, work lights for enhanced operator visibility. Backup Alarm: Standard on most units for audible warning when reversing. Passive Features Seatbelt: Operator seatbelt for restraint. Emergency Stops: Emergency stop switches for quick shutdown of machine operations. 💡 Technology Features Infotainment Operator Interface:...