Volvo Penta D12-715

Volvo Penta  D12-715

Technical description:

Engine and block

– Cylinder block and cylinder head made
of cast-iron
– One-piece cast-iron cylinder head
– Ladder frame fitted to engine block
– Replaceable wet cylinder liners and
valve seats/guides
– Drop forged crankshaft with induction
hardened bearing surfaces and fillets
with seven main bearings
– Four valve per cylinder layout with over-
head camshaft
– Each cylinder features cross-fl ow inlet
and exhaust ducts
– Gallery oil-cooled cast aluminum alloy
pistons with three piston rings

Engine mounting
– Flexible engine mounting (option)

Lubrication system
– Integrated oil cooler in cylinder block
– Twin full fl ow oil filter of spin-on type
and by-pass filter

Fuel system
– Electronic Unit Injectors, one per cylinder,
vertically positioned at the center in between
the four valves
– 6-hole high pressure injector nozzles
– Gear-driven fuel pump, driven by timing gear
– Electronically controlled central processing
system (EMS-2 – Engine Management Sys-
tem)
– Electronically controlled injection timing
– Single fine fuel filter of spin-on type, with wa-
ter separator and water alarm

Air inlet and exhaust system
– Air fi lter with replaceable inserts
– Wet exhaust elbow (option)
– Electronically governed wastegate turbo
– Closed crankcase ventilation

Cooling system
– Freshwater-cooled charge air cooler
– Gear-driven coolant pumps
– Tubular heat exchanger with priority valve

Electrical system
– 24V/80A alternator

Instruments/controls (included with engine)
– Complete instrumentation including key
switch and interlocked alarm
– EVC monitoring panels for single (or twin
in stallations as option)
– Electronic remote control for throttle and
shift
– Plug-in connections