🏷️ Basic Information Identification Make: Yanmar Model: 4LHA Series Generation: Not Specified (based on manual content) 📋 Manual Details Documentation Manual Type: Workshop Repair Manual & Operation Manual Language: English Page Count: Not Specified (PDF Download) Format: PDF ⚙️ Engine Specifications Engine Type Configuration: Inline 4-Cylinder Fuel Type: Diesel Aspiration: Turbocharged (indicated by 'T' in model designations like STE, DTE, HTE) Cooling System: Marine (indirect cooling likely, common for marine diesel) Displacement Volume: 2.7 L (2700 cc) (typical for 4LHA series, needs confirmation from manual) Power Output Range: Varies by specific model (e.g., STE, DTE, HTE - likely 100-200 HP range, requires manual confirmation) Specific Variants: STE, STZE, STP, STZP, DTE, DTZE, DTP, DTZP, HTE, HTZE, HTP, HTZP Engine Features Injection System: Direct Injection (DI) (common for Yanmar diesels of this era) Ignition System: Compression Ignition Emission Compliance: Not specified, but likely meets relevant standards for its production era. 🔧 Transmission Drive Type Type: Marine Gearbox (often a Yanmar ZT350 or similar, or P for inboard configuration) Gear Options: Forward, Neutral, Reverse (standard for marine gearboxes) Drive Configurations: Sterndrive (ST/STZ) or Inboard (P/PZ) (indicated by model suffixes) 🔧 Maintenance Service Schedule Oil Change Interval: Refer to manual for specific intervals based on operating hours and conditions. Fluid Capacity Engine Oil Capacity: Refer to manual (typically around 8-10 liters for this engine size). Coolant Capacity: Refer to manual (if applicable to the indirect cooling system). Typical Filters Oil Filter: Required, specific part number in manual. Fuel Filter: Required, specific part number in manual. Impeller Replacement: Recommended service item, frequency depends on operating conditions.