Technical Specification

• Engine designation: D4-260 DP
• Crankshaft output: 260 hp at 3500 r/min
• Maximum torque: 615 Nm at 2000 r/min
• Configuration: Straight-four diesel with compressor, turbo and
• charge-air cooler.
• Generator: 115 A
• Cubic capacity: 3.7 l.
• Transmission DP Duoprop drive
• Weight compl. with Duoprop drive: 656 kg.
• Engine designation: D4-260
• Crankshaft output: 260 hp at 3500 r/min
• Maximum torque: 615 Nm at 2000 r/min
• Configuration: Straight-four diesel with turbo and charge-air cooler.
• Generator: 115 A
• Cubic capacity: 3.7 l.
• Transmission Hydraulic reverse and V drive with electronically-controlled gear change
• Weight excl. transm.: 482 kg.

Engine block and head

• Cylinder block and cylinder head made of cast-iron
• Combined ladder frame and balance shafts
• 4-valve technology with hydraulic lash adjusters
• Double overhead camshafts
• Oil-cooled pistons with two compression rings and one oil scraper ring
• Integrated cylinder liners
• Replaceable valve seats
• Five-bearing crankshaft
• Rear-end transmission

Engine mounting

• Flexible engine mounting

Lubrication system

• Easily replaceable separate full-flow and bypass oil filter
• Seawater-cooled tubular oil cooler

Fuel system

• Common rail fuel injection system
• Control unit for processing the injection
• Fine filter with water separator and alarm

Air inlet and exhaust system

• Air filter with replaceable insert
• Crankcase gases vented into the air inlet
• Exhaust elbow or exhaust riser
• Freshwater-cooled turbocharger
• Loss of sea water alarm

Cooling system

• Thermostatically regulated freshwater cooling
• Tubular heat exchanger with separate large volume expansion tank
• Coolant system prepared for hot water outlet
• Easily accessible seawater impeller pump

Electrical system

• 12V two-pole electrical system
• 115A marine alternator with Zener-diodes to protect the system from peak voltage, and integrated charging regulator with battery sensor cable for maximum use of alternator
• Fuses with automatic reset
• Auxiliary stop button

Instruments/control

• Complete instrumentation/display packages, including e-key, the electronic key from Volvo Penta.
• Electronic shift and throttle
• Plug-in connections

Reverse gear

• Reverse gear with matched drop center and 8° down angle for compact installation and minimum propeller shaft angle. V-drives and in-line reverse gears available.
• Bevel gears which results in smooth running at all speeds
• Hydraulically operated clutch for smooth shifting
• Electrical shifting performed by electromagnetic valves
• When under sail propeller shaft can rotate 24 hours without engine start
• Seawater-cooled oilcooler
• Low Speed as option for HS63IVE

Option

• U.S.C.G./MED (SOLAS) kit available.