ENGINE BLOCKSix cylinder, four cycle, in-line, liquid cooled, overhead valve, marine diesels based on heavy-duty industrial engine blocks.Balanced, forged crankshaft with induction hardened journals and rolled fillets for long life.Replaceable, wet cylinder liners for long life and low rebuild costs.Bimetallic valves with chrome stems and rotators.Replaceable valve seats and guides.Three ring aluminum alloy pistons with Ni-Resist insert for the top ring. Keystone piston ring reduces carbon buildup under light loads.Torsional crankshaft dampers help ensure smooth operation.A single poly-vee drive belt powers the alternator and jacket-water pump.FUEL SYSTEMHigh pressure common rail fuel injection for smooth, clean delivery.Direct fuel injection systemsRing clamp fuel filters with air bleed and drain.Electric fuel pump integrated into primary fuel filter. Computer controlled priming for ease of operation.LUBRICATION SYSTEMPositive displacement gear-type oil pump.Full flow, spin-on oil filter.Jacket-water, plate-type, full flow oil cooler reduces heat and prevents lube oil breakdown.Large capacity oil pan.A closed loop crankcase vent traps oil vapor to keep the engine room clean.