🏷️ Basic Information Identification Make: Volvo Penta Model: TMD22/TAMD22/MD22 Marine Engines Generation: Not specified, covers multiple variants 📋 Manual Details Document Information Manual Type: Workshop Manual & Parts Catalogue Language: English Format: PDF Download ⚙️ Engine Specifications Engine Type Engine Type: 4-cylinder, inline diesel Aspiration: Naturally aspirated (MD22 variants), Turbocharged (TMD22, TAMD22 variants) Displacement Bore: 90 mm Stroke: 90 mm Total Displacement: 2.3 L (2300 cc) Power Output Power Range: 46-55 kW (62-74 hp) depending on variant Compression Ratio Compression Ratio: 21.5:1 Fuel System Fuel Injection: Direct injection Cooling System Cooling Method: Seawater cooling or Freshwater cooling (indirect) Lubrication System Oil Type Recommendation: Refer to manual for specific viscosity and API classification Electrical System Voltage: 12V Engine Family Engine Family: 2000 Series Variants Covered Covered Variants: MD22A, MD22L-A, MD22L-B, MD22P-B, TMD22A, TMD22-A, TMD22-B, TMD22P-C, TAMD22P-B Turbocharging Turbocharger System: Garrett turbochargers on TMD22 and TAMD22 variants Emission Control Emission Standards: Refer to manual for specific compliance (likely early to mid-2000s standards) 🔧 Maintenance Service Intervals Oil Change Interval: Refer to manual for specific recommendations (typically 100-250 hours or annually) Oil Capacity Oil Capacity Engine Only: Refer to manual, typically around 5.5 - 6.0 Liters Valve Adjustment Valve Clearance Intake: Refer to manual (typically 0.20-0.30 mm cold) Valve Clearance Exhaust: Refer to manual (typically 0.30-0.40 mm cold)