🏷️ Basic Information Identification Make: Komatsu Model: HD325-7 Machine Type: Articulated Dump Truck Generation Generation Identifier: Dash-7 Series Codes Komatsu Model Code: HD325-7 👋 Introduction Market Position Market Position: The Komatsu HD325-7 is a robust and reliable rigid dump truck designed for heavy-duty mining, quarrying, and construction applications, known for its productivity and durability. Competitive Analysis Competitive Analysis: Competes with similar-sized rigid haul trucks from manufacturers like Caterpillar (e.g., 730C series), Bell, and Volvo. The HD325-7 is often chosen for its balanced performance, fuel efficiency, and Komatsu's reputation for build quality and after-sales support. Key Features Key Features: High payload capacity, powerful engine, advanced braking and retarder systems, comfortable operator cabin, robust chassis and suspension for demanding terrain, efficient hydraulics. 📋 Manual Details Coverage Areas Coverage Areas: Comprehensive coverage for Komatsu HD325-7 articulated dump trucks Serial Number Applicability: Covers Komatsu HD325-7 serial numbers 7001-7025 and 7101 and up. Page Count Estimated Page Count: 1000+ Manual Type Manual Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Systems Covered: Engine, Powertrain (Transmission, Torque Converter, Driveshafts, Axles), Braking System (Service, Parking, Retarder), Steering System, Hydraulic System (Hoisting, Steering, Auxiliary), Electrical System (Wiring Diagrams, ECUs, Sensors), Cooling System, Fuel System, Lubrication System, Chassis and Frame, Operator Cab and Controls, Suspension System, Bodywork and Dump Body. Articulation And Steering: Hydraulic system components, steering cylinder, articulation hitch, steering control unit. Braking And Retarder: Service brakes (wet disc), parking brake, retarder system, brake actuation circuits, brake fluid. Procedures Included Procedures Included: Inspection, Troubleshooting, Diagnostics, Adjustment, Removal, Installation, Reassembly, Repair, Overhaul, Maintenance, Preventive Maintenance, Component Testing, Hydraulic Circuit Analysis, Electrical System Schematics Interpretation, Torque Specifications, Lubrication Procedures. Specific Repair Procedures: Engine overhaul procedures, transmission and torque converter rebuild, hydraulic pump and cylinder repair, brake caliper and disc replacement, steering cylinder seal replacement, electrical component testing and replacement, drivetrain component overhaul. Technical Depth Technical Depth: In-depth, detailed, factory-level technical information suitable for experienced mechanics and technicians. Covers everything from routine maintenance to complete component overhauls and advanced troubleshooting. Diagnostic Capabilities: Detailed diagnostic flowcharts, troubleshooting guides based on fault codes, sensor data interpretation, electrical circuit testing methods, hydraulic pressure testing procedures. 📊 Manual Specifications File Format File Format: High-resolution, searchable PDF Print Quality Print Quality: Printable with clear diagrams and text Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Model: Komatsu SAA6D125E-5 Engine Type: Six-cylinder, turbocharged, after-cooled, direct injection, diesel Performance Net Horsepower: 330 HP (246 kW) @ 1800 RPM Gross Horsepower: 375 HP (279 kW) @ 1800 RPM Peak Torque: 1511 lb-ft (2045 Nm) @ 1400 RPM Bore X Stroke: 5.04 in x 6.10 in (128 mm x 155 mm) Displacement: 777 cu in (12.7 L) Fuel System Fuel System Type: High-pressure common rail electronic fuel injection Fuel Type: Diesel Fuel Cooling System Cooling System Type: Water-cooled, forced circulation Emissions Compliance Emissions Standard: Meets Tier III/Stage IIIA emissions regulations (depending on market and configuration). 🔧 Transmission Standard Transmission Model: Komatsu Traction Master (KTMS) Transmission Type: Planetary gear, countershaft, power shift Number Of Speeds: 6 Forward / 1 Reverse Features Transmission Features: Electronically controlled for optimal shift quality and fuel efficiency, automatic selection of optimal gear, mode selection (e.g., economy, power). Torque Converter Features: Lock-up torque converter for improved fuel efficiency at higher speeds. Fluid Specifications Transmission Fluid Type: Komatsu Genuine Transmission Oil (KES07.856.1) or equivalent API CD/CF Transmission Fluid Capacity: Approx. 27 L (7.1 US gal) 📐 Dimensions Exterior Overall Length: 9.8 m (32 ft 2 in) Overall Width: 3.4 m (11 ft 2 in) Overall Height: 3.7 m (12 ft 2 in) Wheelbase: 4.1 m (13 ft 5 in) Cargo Body Capacity Heaped: 20.2 m³ (26.4 cu yd) Body Capacity Struck: 15.5 m³ (20.3 cu yd) Weights Operating Weight: Approx. 30,000 kg (66,139 lb) Payload Capacity: 30,500 kg (67,240 lb) Front Axle Weight Empty: Approx. 13,500 kg (29,762 lb) Rear Axle Weight Empty: Approx. 16,500 kg (36,376 lb) Front Axle Weight Loaded: Varies based on payload distribution Rear Axle Weight Loaded: Varies based on payload distribution 🛡️ Safety Features Ratings Safety Features Overview: Designed with operator safety and machine stability as primary considerations. Active Features Active Safety Features: Integrated retarder system for downhill speed control, dual-circuit hydraulic braking system with wet disc brakes, emergency parking brake, anti-skid regulation system (optional on some configurations), ROPS (Roll-Over Protective Structure) for the cab. Passive Features Passive Safety Features: Reinforced operator cab structure, operator presence detection system, safety lock levers, extensive lighting for visibility, rear-view camera (optional). 💡 Technology Features Infotainment Infotainment Features: Basic operator cabin environment with essential controls. May include a diagnostic display for machine status and fault codes. Driver Assistance Driver Assistance Systems: Advanced electronic controls for powertrain and hydraulics, retarder system for speed control, automatic gear selection....