Basic Information Identification Make: Komatsu Model: 730E-8 DUMP TRUCK Serial Number Applicability: A40003 & UP Codes Product Identifier: Komatsu 730E-8 DUMP Truck Service Repair Manual Introduction Market Position Vehicle Segment: Heavy-Duty Mining and Construction Off-Highway Articulated Dump Truck Competitive Analysis Key Competitors: Caterpillar, Volvo CE, Bell Equipment, John Deere Key Features Vehicle Purpose: High-capacity material transport in demanding mining and construction environments. Manual Details Coverage Areas Primary Coverage: Service and Repair Page Count Total Pages: 473 Manual Type Document Type: Service Repair Manual Language Primary Language: English Format Digital Format: PDF File Format: PDF Platform Compatibility: Windows, macOS Delivery Method: Instant Download Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drive Axle, Wheel Motors Hydraulics: Hoist System, Steering System, Brake System, Lift/Lower System Electrical: Engine Control System, Powertrain Control System, Lighting, Instrumentation, Diagnostic System Chassis: Frame, Suspension, Steering, Brakes, Wheels, Tires Body: Cab, Dump Body, Access Panels Procedures Included Maintenance: Preventive Maintenance, Lubrication, Filter Changes, Inspections Repair: Component Overhaul, Assembly/Disassembly, Component Replacement Diagnostics: Troubleshooting Guides, Fault Code Interpretation, Symptom-Based Diagnostics Technical Specifications: Torque Specifications, Clearances, Pressures, Electrical Schematics Wiring Diagrams: Comprehensive electrical schematics for all major systems. Troubleshooting Charts: Detailed troubleshooting charts and flowcharts for systematic problem diagnosis. Technical Depth Comprehensiveness: Detailed step-by-step repair procedures, overhaul instructions, and diagnostic flowcharts. Diagnostic Capability: Includes troubleshooting for electrical, hydraulic, and mechanical systems. Rebuild Procedures: Includes detailed instructions for major component overhauls (e.g., engine, transmission, hydraulic pumps). Manual Specifications File Format PDF Version: Standard PDF with searchable text (assuming standard digital distribution). Print Quality Printability: High-resolution for clear printing of diagrams and text. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) Engine Specifications Primary Engine Engine Make: Cummins Engine Model: QSKTA38-C Engine Type: Turbocharged and Aftercooled Diesel Engine Configuration: V12 Performance Horsepower: 1050 HP (783 kW) @ 1800 RPM (Typical - Verify specific serial range) Torque: 3477 lb-ft (4714 Nm) @ 1400 RPM (Typical - Verify specific serial range) Fuel System Fuel Injection Type: High-Pressure Common Rail (HPCR) Fuel System Fuel Type: Diesel Fuel Transmission Standard Transmission Type: Komatsu Advanced Transmission with Digital Control (ADTDC) Transmission Gears: 6-Speed Automatic Features Transmission Control: Electronically controlled shift selection and modulation for optimal performance and fuel economy. Drive System: All-Wheel Drive (AWD) with front and rear differentials, and planetary final drives. Dimensions Exterior Length: Approx. 29.3 ft (8.9 m) (Varies with body configuration) Width: Approx. 15.4 ft (4.7 m) (Varies with tire size) Height: Approx. 13.4 ft (4.1 m) (Varies with body configuration) Cargo Payload Capacity: Approx. 154 US tons (140 metric tons) Body Volume Heaped: Approx. 172 m³ (225 yd³) Weights Operating Weight: Approx. 103,180 kg (227,475 lbs) Gross Vehicle Weight: Approx. 236,760 kg (522,000 lbs) Safety Features Ratings Safety Compliance: Designed to meet relevant industry safety standards for heavy equipment operation. Active Features Braking System: Wet, multi-disc brakes on all axles with hydraulic actuation. Integrated retarder function. Steering System: Hydrostatic power steering with emergency steering capability. Passive Features Cab Design: ROPS (Roll-Over Protective Structure) compliant cab with enhanced visibility and ergonomic controls. Visibility Enhancements: Large windscreen, mirrors, and optional camera systems. Technology Features Infotainment Cab Environment: Focus on operator comfort and control, typically with advanced climate control and ergonomic seating. Driver Assistance Control Systems: Integrated electronic control units for engine, transmission, and auxiliary systems. Diagnostics Interface: On-board diagnostic capabilities with fault code reporting via the instrument panel or external diagnostic tools. Connectivity Telematics Capability: Often equipped with Komatsu's KOMTRAX or similar telematics systems for remote monitoring and fleet management. Maintenance Service Intervals Engine Oil Change: Refer to manual for specific interval, typically 250-500 hours depending on operating conditions. Hydraulic Filter Change: Refer to manual for specific interval, typically 500-1000 hours. Air Filter Replacement: Based on pressure differential monitoring or hours, typically 250-500 hours. Fluid Specifications Engine Oil Type: API CK-4, SAE 15W-40 or 10W-30 (depending on ambient temperature - refer to manual for specific grades). Hydraulic Fluid Type: Komatsu Genuine Hydraulic Oil or equivalent meeting Komatsu specifications. Transmission Fluid Type: Komatsu Genuine Transmission Oil or equivalent meeting Komatsu specifications. Coolant Type: Ethylene Glycol based coolant with silicate inhibitors (50% mixture). Known Issues Common Wear Items: Brake wear, hydraulic system seals, turbocharger components, engine injectors. Troubleshooting Focus: Diagnosis of electronic control system faults, hydraulic system pressure drops, and drivetrain performance issues. Vehicle History Brand Heritage Komatsu Legacy: Komatsu is a global leader in construction and mining equipment manufacturing, known for durability and innovation. Model Evolution 730E Series: The 730E series represents Komatsu's commitment to large-capacity haul trucks, evolving through multiple iterations to enhance performance and efficiency. Production Manufacturing Location: Primarily manufactured at Komatsu's facilities in the United States. Awards & Recognition Recognitions Industry Awards: Specific awards vary by model year and region; Komatsu equipment generally recognized for reliability and performance in demanding applications. Ratings Durability Rating: High reputation for durability and...