BUKH D2-75

BUKH D2-75
BUKH LIFEBOAT DIESEL ENGINE

75 EFFECTIVE AND DISCIPLINED HORSE POWERS GUARANTEE SAFE AND TROUBLEFREE SAILING.

Emission compliance US EPA Tier 3 / EU RCD II - This design allowed the engines to pass and obtain the US Coast Guard approval for use as lifeboat engines.

D2-75 is an in-line 4-cylinder, 2.2-liter, charge air cooled diesel engine using a camdriven, in-line injection pump, and freshwater cooling. With low cruising rpm, the engine runs quietly with minimal vibrations. SOLAS approved starting systems , Bukh can combine spring start with traditional electric start.
TECHNICAL DESCRIPTION
Engine block and head
Cylinder block and cylinder head manufactured from high grade cast iron. Crankcase features a rigid tunnel block design.
Chrome molybdenum forged crankshaft, statically and dynamically balanced with integral counterweights. pistions are cast from high silicon aluminum, are heat treated and fitted with two cast iron, chromium faced compression rings and a single oil ring.
Replaceable, hardened valve seats
Elastic coupling on flywheel

Engine mounting
Flexible engine mounting

Lubrication system
Spin-on fulflow oil filter
Separate oil scavenger pipe
Closed circuit crankcase ventilation
One top and one side oil filling position

Fuel system
Flange mounted, cam driven in-line injection
Feed pump with hand primer
Spin-on type fine fuel filter
Auxiliary stop button on engine

Cooling system
Keel cooling (Standard)
Coolant water heater 42 V - 350 W (Option)

Electrical system
12V corrosion-protected electrical system
115A marine alternator
24 V alternator as option
Charging regulator with electronic sensor for voltage drop compensation
Glow plugs for excellent cold starting
Electric starter motor(2.0 kW output)
Electric stop

Instruments
Start/stop panel
Tachometer with alarms and engine hour counter

Optional equipment
Front mounted spraypump kit
Cooling water heater
Certified cold start to minus 30 degrees
Springstarter in combination with electric starter

Reverse gear
MS25L - Mechanical drop center with streight output shaft - Ratio 1:2,74

SPECIFIKATIONER

50 rps (3000 rpm) 75 HP (55 kW)
33 rps (2000 rpm) -
Reverse-reduction gear ratio 2,74:1
Engine rotation (looking forward) Anti-clockwise
Propeller rotation (looking forward) Clockwise
Number of cylinders 4
Bore and stroke 84x100 mm (3.31x3.94 in)
Swept volume 2200 cm3 (134,2 cu in)
Cycle 4-stroke
Cooling system (standard) Keel-cooling
Electric starter motor 12V, (2.0 kW)
Charging alternator 12V, 115 Amp
Engine crankcase vent syst Closed
Weight dry kg 258
Electronic engine diagnostic NO