🏷️ Basic Information Identification Make: Komatsu Model: 730E Vehicle Type: Mining Dump Truck Product Name: Komatsu 730E Service Repair Manual A30181-A30211 Product Description: Komatsu 730E Dump Truck Workshop Service Repair Manual Download Codes Manual Part Number: A30181-A30211 👋 Introduction Market Position Segment: Large Mining Equipment / Off-Highway Trucks Competitive Analysis Competitors: Caterpillar 777 Series, Liebherr T 264, Hitachi EH3500AC Key Features Vehicle Purpose: Designed for high-volume, heavy-duty material transport in mining and construction operations. Manual Value: Essential for maintaining peak performance, minimizing downtime, and ensuring safe operation of the Komatsu 730E. 📋 Manual Details Coverage Areas Scope: Comprehensive workshop service and repair Page Count Estimated Pages: Hundreds Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Engine: Detailed troubleshooting, repair, and overhaul procedures for Komatsu and Cummins engine options. Powertrain: Transmission (ZF, Allison), final drives, differentials, prop shafts, and associated components. Electrical System: Wiring diagrams, diagnostic procedures, component testing, battery, charging system, starter, lighting, and instrumentation. Hydraulics: Steering, hoist, brake systems, hydraulic pumps, valves, cylinders, filters, and fluid specifications. Braking System: Air brakes, parking brake, retarder systems, brake adjustments, component replacement, and troubleshooting. Suspension: Front and rear suspension systems, shock absorbers, linkages, and troubleshooting. Body And Chassis: Frame, body panels, cab, dump body, chassis maintenance, and adjustments. Cooling System: Radiator, fan, coolant, hoses, and troubleshooting. Fuel System: Fuel tanks, lines, pumps, filters, and injectors. Operator Station: Controls, instrumentation, seating, HVAC, and safety features. Procedures Included Maintenance: Scheduled maintenance checks, lubrication points, filter changes, and fluid level checks. Troubleshooting: Systematic diagnostic guides for identifying and resolving common and uncommon faults. Repair: Detailed step-by-step instructions for component removal, disassembly, repair, reassembly, and installation. Overhaul: Complete engine, transmission, and hydraulic system overhaul procedures. Disassembly Reassembly: Comprehensive instructions for major component removal and installation. Adjustments: Precise adjustments for brakes, clutch, linkages, and engine systems. Technical Depth Depth: Advanced diagnostics, detailed component specifications, rebuild procedures, and electrical schematics. 📊 Manual Specifications File Format Searchable Text: Yes Print Quality Quality: High-resolution, suitable for printing Binding Type Binding Recommendation: Professional binding recommended for frequent use. Paper Type Paper Recommendation: Durable, matte paper for clarity and reduced glare. ⚙️ Engine Specifications Primary Engine Engine Manufacturer: Komatsu (e.g., SDA12V140E) or Cummins (e.g., QSKTA50-C) Engine Type: Four-stroke, turbocharged, aftercooled diesel engine Displacement: Varies by engine option (e.g., ~26.7 Liters for Cummins QSKTA50) Performance Gross Horsepower: Typically in the range of 1000-1200 HP Peak Torque: Significant torque output for heavy hauling Fuel System Injection System: Common Rail (for newer variants) or Electronic Unit Injection (EUI) Fuel Type: Diesel Fuel 🔧 Transmission Standard Transmission Type: Heavy-duty automatic power shift transmission (e.g., ZF 6WG310 or Allison HVT) Optional Transmission Options: Variations in transmission models and configurations based on engine and driveline specifics. Features Gear Selection: Electronically controlled gear selection for optimized performance and fuel efficiency. 📐 Dimensions Exterior Length: Approx. 9.7 meters (31.8 ft) Width: Approx. 4.7 meters (15.4 ft) Height: Approx. 4.5 meters (14.8 ft) (to top of cab) Cargo Payload Capacity: Approx. 110 US tons (100 metric tons) Body Volume Heaped: Approx. 70 cubic yards (53.5 cubic meters) Weights Operating Weight: Approx. 170,000 - 200,000 lbs (77,000 - 90,700 kg) Gross Vehicle Weight Rating Gvwr: Approx. 375,000 lbs (170,000 kg) 🛡️ Safety Features Ratings Safety Standards: Meets or exceeds relevant industry safety standards for heavy equipment. Active Features Braking System Type: Full hydraulic braking system with dual circuits, spring-applied parking brake. Retarder System: Integrated engine and transmission retarder for downhill speed control. Passive Features Cab Design: Reinforced ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) cab. Visibility: Large windows, optimized lighting, and optional rearview camera systems. Fire Suppression: Optional fire suppression systems available. 💡 Technology Features Infotainment Operator Interface: Advanced digital displays, diagnostic readouts, and operator comfort features. Driver Assistance Payload Monitoring: Integrated payload weighing systems for optimizing loads. Connectivity Telematics Options: Optional telematics for remote monitoring of machine health, location, and performance data. 🔧 Maintenance Service Intervals Engine Oil Change: Refer to specific engine manual or Komatsu recommendations (typically 250-500 hours) Hydraulic Filter Change: Recommended at intervals specified in the manual, often tied to hours or fluid analysis. Transmission Fluid Change: Refer to transmission manufacturer specifications and operating conditions. Fluid Specifications Engine Oil Grade: API CJ-4 or CK-4, SAE 15W-40 (or as specified by engine manufacturer) Hydraulic Fluid Type: Komatsu Advanced Hydraulic Oil (or equivalent ISO VG 32/46) Transmission Fluid Type: Allison TES 295 or ZF TE-ML 01F (refer to specific transmission) Coolant Type: Heavy-duty ELC (Extended Life Coolant) or equivalent Known Issues Common Wear Points: Brake wear, suspension bushings, hydraulic hose integrity, electrical connector corrosion. Preventive Measures Importance Of Filters: Regular replacement of engine, hydraulic, fuel, and transmission filters is critical. 📚 Vehicle History Brand Heritage Komatsu Legacy: Komatsu is a globally recognized leader...