ALPHA MARINE ENGINES 20, 30, 40, 55 TURBO Variable speed; maximum power at flywheel at 3000 r/min: 14.9-41.0 kW; 20-55 bhp DURABLE, ECONOMICAL LIQUID COOLED MARINE DIESEL ENGINES 55 amp alternator range of gearboxes choice of air cleaners high level bearers start panels drive adaptors high output alternator wiring loom protection systems anti-vibration mountings sump lubricating oil drain pump paint colour SUITABLE FOR: • small offshore boats and work boats • pleasure boats and hire fleets • propulsion or auxiliary applications BASIC ENGINE CHARACTERISTICS • 2, 3 or 4 cylinders • raw water heat-exchanger cooling • direct or indirect injection • naturally aspirated or turbocharged • durable, economical and reliable • low fuel consumption • long service periods DESIGN FEATURES AND EQUIPMENT • heat exchanger • water cooled exhaust manifold • raw water pump • fuel filter / agglomerator • self-bleed fuel system with fuel lift pump • individual fuel injection pump for each cylinder • high level oil filler and dipstick • raw water cooling system pump • operators' handbook OPTIONAL ITEMS A range of options enables your engine to be built to your exact needs: • 12 volt starter motor (insulated earth return)

RATING DEFINITIONS, TO ISO 3046 ISO Standard Conditions Barometric pressure 100 kPa Relative humidity 30% Ambient temperature at air inlet manifold 25°C 1. Fixed speed power: continuous power (ICN) The power in kW which the engine is capable of delivering continuously at the stated crankshaft speed, under ISO standard conditions, measured at the flywheel without power-absorbing accessories, provided that the engine is overhauled and maintained in good operating condition and that fuel to BS EN 590 Class A1 or A2, and lubricating oils to the correct performance specification and viscosity...

ALPHA SERIES: ALPHA MARINE ENGINES TECHNICAL DATA SHEET 1. The dimensions (mm) given are for guidance only and must not be used for installation purposes. Head Office Lister Petter Power Systems Limited Unit 14 Estuary Court, Broadmeadow Industrial Estate Teignmouth, TQ14 9FA T: +44 (0) 1285 702211 Production Facility Lister Petter Power Systems Limited Units 13-15 Quadrant Distribution Centre Hardwicke, Gloucester, GL2 2RN [email protected] www.listerpetter.com DISTRIBUTOR ADDRESS Lister Petter Power Systems have made efforts to ensure that the information in this data sheet is accurate...