🏷️ Basic Information Identification Make: Komatsu Model: 930E-4 Vehicle Type: Large Mining Truck / Haul Truck Codes Manual Product Code: A30693-A30749 👋 Introduction Market Position Segment: Ultra-Class Mining Truck Application: Heavy-duty material handling in mining, quarrying, and large-scale construction operations. Competitive Analysis Competitors: Caterpillar 793 Series, Liebherr T 284, Hitachi EH4000, BelAZ 7547 Key Features Payload Capacity: Approximately 231 metric tons (255 short tons). Powertrain Type: Diesel-electric drive. 📋 Manual Details Coverage Areas Primary Coverage: Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Diagnostics Page Count Estimated Page Count: N/A (Digital PDF) Manual Type Type: Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, fuel system, lubrication system, cooling system, exhaust system, air intake system, engine controls, emissions systems. Powertrain Systems: Transmission (GE7R818), drive shafts, differentials, axles, wheel planetary reduction gears, braking system (service brake, parking brake, retarder), hydraulic systems (steering, hoist, braking). Electrical Systems: Wiring diagrams, starter system, charging system, lighting, instrumentation, engine control module (ECM), transmission control module (TCM), vehicle control systems, AC/DC converters, battery system. Chassis And Body: Frame, suspension (front and rear), steering system components, body panels, cab interior, dump body, hydraulic hoist system, tires and wheels. Procedures Included Maintenance Procedures: Scheduled maintenance checks, lubrication points, fluid changes, filter replacements, component inspections, pre-operation checks. Repair Procedures: Engine component replacement, transmission overhaul, brake system repair, hydraulic cylinder and pump repair, electrical component diagnosis and replacement, suspension and steering linkage repair, axle and differential service. Troubleshooting Guides: Diagnostic flowcharts for common issues, error code explanations, symptom-based troubleshooting for engine, transmission, braking, and hydraulic systems. Specifications And Data: Torque specifications, clearances, fluid capacities, electrical resistance values, hydraulic pressures, wear limits. Technical Depth Depth: Comprehensive rebuild and diagnostic information suitable for trained technicians. 📊 Manual Specifications File Format Quality: High-resolution PDF, searchable text, bookmarked for easy navigation. Print Quality Print Capability: Printable for use in workshop environments. Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Make Model: Cummins K50 Engine Configuration: V18 Displacement: 18.29 liters (1116 cubic inches) Performance Gross Horsepower: 1600 HP (1193 kW) @ 1800 RPM Peak Torque: N/A (Specific torque figures typically not advertised publicly, but significantly high) Fuel System Fuel Delivery: High-pressure common rail fuel injection system. Fuel Type: Diesel Cooling System Type: Heavy-duty engine cooling system with engine-driven fan. Lubrication System Oil Capacity: Approx. 72 Liters (19 US gal) Air Intake Filtration: Multi-stage air filtration system with pre-cleaners. Emission Controls Standards: Designed to meet applicable emissions regulations for heavy-duty off-road equipment of its era. 🔧 Transmission Standard Type: AC Electric Drive (GE7R818 Traction Motor) Manufacturer: General Electric (GE) - AC Wheel Motor Features Control System: Integrated AC traction motor control system with advanced diagnostics. Engine Coupling: Variable speed AC generators driven by the Cummins K50 engine. Drive Configuration: All-wheel drive (each rear wheel powered by an individual AC motor). 📐 Dimensions Exterior Length: Approx. 13.6 meters (44 ft 7 in) Width: Approx. 7.6 meters (24 ft 11 in) Height Top Of Cab: Approx. 4.9 meters (16 ft 1 in) Height Dump Body Raised: Approx. 10.9 meters (35 ft 9 in) Cargo Body Capacity Heaped: Approx. 126 m³ (165 yd³) Weights Operating Weight: Approx. 180,000 kg (396,830 lbs) Gross Vehicle Weight Rating Gvwr: Approx. 360,000 kg (793,664 lbs) Wheels Tires Tire Size: Standard: 40.00-57 or 42/90-57 (Large radial tires designed for mining applications). Wheelbase Wheelbase: Approx. 5.9 meters (19 ft 4 in) 🛡️ Safety Features Ratings Certification: Designed to meet stringent safety standards for heavy mining equipment, though formal crash ratings are not applicable. Active Features Braking System: Service brakes (wet multi-disc), parking brake, dynamic retarder system (engine braking and electrical braking). Steering System: Hydraulic power steering with advanced control for precise maneuverability. Visibility: Large cab windows, external lighting, optional rearview cameras. Passive Features Cab Protection: ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) compliant cab. Fire Suppression: Optional fire suppression systems available. Warning Systems Alarms: Reverse alarms, horn, warning lights. 💡 Technology Features Infotainment Cab Features: Focus is on operational data display and control rather than traditional infotainment. Features include advanced instrumentation and diagnostic displays. Driver Assistance Braking System: Integrated dynamic retarder system for controlled downhill speeds and brake wear reduction. Connectivity Telematics: Typically equipped with Komatsu's proprietary fleet management and monitoring systems (e.g., KOMTRAX) for remote diagnostics and performance tracking. Powertrain Control System: Sophisticated electronic control unit (ECU) managing engine, generators, and AC traction motors for optimal power delivery and efficiency. 🔧 Maintenance Service Intervals Engine Oil Change: Refer to manual for specific interval (typically based on operating hours, e.g., 250-500 hours). Hydraulic Fluid Change: Refer to manual for specific interval (typically based on operating hours, e.g., 1000-2000 hours). Air Filter Replacement: Based on monitoring of restriction indicators or specific operating hours. Fluid Specifications...