🏷️ Basic Information Identification Make: Yamaha Model: EF4000D Product Type: Generator 📋 Manual Details Documentation Manual Type: Service Repair Manual Downloadable: Yes File Format: PDF Compatibility: All Versions of Windows & Mac Language: Spanish Requirements: Adobe PDF Reader Printability: All pages printable Content Scope: Comprehensive details, technical data, diagrams, parts list, pictures ⚙️ Engine Specifications Engine Type Engine Configuration: 4-stroke OHV gasoline engine Displacement Displacement Cc: 237 Power Rated Output Watts: 3000 (EF3300), 4000 (EF4000/EF4000D) Max Output Watts: 3300 (EF3300), 4500 (EF4000/EF4000D) Cooling System Cooling Method: Air-cooled Ignition System Ignition Type: T.C.I. (Transistor Controlled Ignition) Fuel System Fuel Type: Unleaded gasoline Fuel Tank Capacity Liters: 13.5 🔧 Maintenance Oil Type Engine Oil Type: SAE 10W-30 API SE or SF category Oil Capacity Engine Oil Capacity Liters: 0.95 📄 Electrical Generator Type Generator Type: Brushless, Synchronous AC generator Voltage Regulation Voltage Regulation System: Inverter (for EF4000D), AVR (Automatic Voltage Regulator) for others Outlets Receptacle Types: Various AC outlets, DC outlet (for some models) 📄 Performance Noise Level Sound Pressure Level Db At 7M: Approximately 70-75 dB (depending on model and load) Run Time Continuous Run Time Hours: Up to 12 hours at rated load (with full fuel tank) 📄 Control Features Starting System Starting Method: Recoil starter, Electric starter (for EF4000/EF4000D) Indicators Panel Indicators: Output indicator, Oil warning lamp, Overload indicator Safety Features Safety Systems: Oil warning system, Circuit breaker