🏷️ Basic Information Identification Make: Komatsu Model: 930E-4 Serial Number Range: A30750-A30795 Codes Product Identifier: Komatsu 930E 4 SN A30750-A30795 Workshop Service Repair Manual 👋 Introduction Market Position Segment: Heavy-duty mining and construction equipment. Category: Ultra-class electric drive mining haul truck. Competitive Analysis Competitors: Caterpillar 797 series, Liebherr T 284, Bucyrus MT6300AC. Key Features Design Focus: High payload capacity, operational efficiency, reliability in harsh environments. Powertrain Type: Electric drive system for enhanced traction and gradeability. Operator Comfort: Advanced cabin design, ergonomic controls, noise and vibration reduction. 📋 Manual Details Coverage Areas Primary Coverage: Repair and maintenance of the Komatsu 930E-4 mining truck. Page Count Total Pages: 1929 Manual Type Type: Workshop Service Repair Manual Language Primary Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine, transmission, drivetrain components, axles. Electrical: Wiring diagrams, electrical component diagnostics, charging systems, starter systems, lighting. Hydraulics: Steering system, hoist system, brake system hydraulics, hydraulic pump and motor overhauls. Chassis And Body: Frame, suspension, steering linkage, braking system (mechanical aspects), body panels, operator cabin. Cooling System: Radiator, coolant circulation, fan drive, temperature regulation. Fuel System: Fuel tank, lines, filters, pumps, injection system diagnostics. Air Intake And Exhaust: Air filters, turbocharger, exhaust manifold, muffler system. Braking System: Service brakes, parking brakes, retarder system, brake actuation. Procedures Included Diagnostic Procedures: Troubleshooting guides, fault code interpretation, symptom-based diagnosis. Disassembly And Assembly: Component removal and installation, overhaul procedures for major assemblies. Maintenance Tasks: Routine servicing, lubrication schedules, filter changes, fluid checks and replacements. Repair Instructions: Detailed step-by-step repair procedures for all major vehicle systems. Technical Specifications: Torque values, clearances, tolerances, fluid capacities, part numbers. Technical Depth Level Of Detail: Comprehensive, covering from routine maintenance to major overhauls and component rebuilding. 📊 Manual Specifications File Format File Type: PDF Print Quality Resolution: High-resolution for clear visibility of text, diagrams, and images. Binding Type Digital Binding: N/A (Instant Download PDF) Paper Type Digital Paper Equivalent: N/A (Instant Download PDF) ⚙️ Engine Specifications Primary Engine Engine Model: Cummins QSKTA60-CE Engine Type: 12-cylinder, V-type, turbocharged, aftercooled diesel engine. Displacement: 60.0 liters (3,661 cubic inches) Performance Gross Horsepower: 2100 hp (1566 kW) @ 1800 rpm (typical rating, consult specific unit) Peak Torque: Approximately 6400 lb-ft (8677 Nm) (typical rating, consult specific unit) Fuel System Injection System: High-pressure common rail injection system (CELECT Plus). Fuel Type: Diesel Fuel Air Management Charging Method: Two-stage turbocharging with aftercooling. 🔧 Transmission Standard Drive System: AC Electric Drive (Hitachi). Drive Configuration: AC traction motors driving rear wheels (typically two motors). Features Electronic Control: Advanced electronic control for optimal power delivery, traction control, and regenerative braking. Retarder System: Integrated engine retarder and dynamic braking via electric drive system. 📐 Dimensions Exterior Overall Length: Approx. 14.3 meters (47 ft) Overall Width: Approx. 9.7 meters (32 ft) Overall Height: Approx. 6.5 meters (21 ft 4 in) Wheelbase: Approx. 6.4 meters (21 ft) Weights Operating Weight: Approx. 200,000 kg (440,000 lbs) Payload Capacity: 326 metric tons (360 US tons) Gross Vehicle Weight Rating Gvwr: Approx. 530,000 kg (1,170,000 lbs) Cargo Body Width Interior: Approx. 7.2 meters (23.5 ft) 🛡️ Safety Features Ratings Industry Standards: Designed to meet rigorous mining equipment safety and operational standards. Active Features Braking System: Full hydraulic, multi-disc service brakes with dual-circuit actuation. Wet parking brakes. Dynamic braking via electric drive. Traction Control: Electronic traction control system to prevent wheel slip. Steering: Hydrostatic power steering with emergency backup. Passive Features Operator Cabin: ROPS/FOPS certified cabin for operator protection. Enhanced visibility. Fire Suppression: Provisions for fire suppression systems (often optional/site-specific). 💡 Technology Features Infotainment Operator Interface: Advanced digital displays for engine monitoring, diagnostics, and vehicle status. Integrated communication systems. Driver Assistance Control Systems: Electronic Proportional Control (EPC) for hoist and steering. Traction control (ASR). Connectivity Telematics Provisions: Prepared for integration with mine management and telematics systems (e.g., Komatsu KOMTRAX). Powertrain Management Engine Management: Cummins ECM (Engine Control Module) with advanced diagnostics and performance tuning capabilities. 🔧 Maintenance Service Intervals Engine Oil Change: Refer to specific Komatsu recommendations, typically 500-1000 hours depending on operating conditions. Filter Replacement: Engine oil filters, fuel filters, hydraulic filters, air filters to be replaced per manufacturer schedule. Fluid Specifications Engine Oil Type: API CK-4 / CJ-4, SAE 15W-40 or SAE 10W-30 for colder climates (verify with manual). Hydraulic Fluid Type: Komatsu genuine hydraulic oil or equivalent ISO VG 46 (verify with manual). Coolant Type: Nitrite-free, extended life coolant (ELC) with SCA treatment as required. Known Issues Common Wear Items: Brake pads and discs, hydraulic hoses, engine mounts, suspension bushings. Electric Drive Diagnostics: While robust, occasional issues with traction motor controllers, invertors, or DC link capacitors can occur (detailed diagnostics in manual). 📚 Vehicle History Brand Heritage Company Focus: Komatsu is a global leader in construction and mining equipment. Model Evolution Series Development: The 930E series represents Komatsu's evolution in ultra-class haul truck technology, building...