Technical description
Engine block and head
- Cylinder block and head made of cast iron
- Combined ladder frame and balance shafts
- 4-valve technology with hydraulic lash adjusters
- Double overhead camshafts
- Oil-cooled pistions with two compressionrings 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 by-pass oil filter
- Seawater cooled tubular oil cooler
- Oil level and oil temperature sensors
- Crankcase oil separator, maintenance free unit
Fuel system
- Common rail fuel injection system, 2000 bar
- Electronically controlled central processing system
- Fuel pressure sensor that indicates clogging in fuel filters
-
Single fine filter with water separator and water in fuel 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
- Seawater tubular heat exchanger
- Coolant system prepared for hot water outlet
- Seawater impeller pump
- Engine mounted seawater strainer
Electrical system
- Marine alternator (12V/150A or 24V/80A)
- Autmatic fuses for engine, transmission and EVC
- Auxiliary stop button
- Power connections and fuses co-located in one connection box on engine
Instruments/control
- Complete instrumentation/display packages, including e-key
- Electronic shift and throttle avaliable
- Plug-in connections
Propulsion
- Shaft drive
- Water jet
- Stern drive
Number of cylinders | 4 |
Bore and stroke | 103/110 |
Charging alternator | 12V - 150A / 24V - 80A |
Net weight | 510/525 |
Model | D4 |
Compression ratio | 18,0:1 |
Valves per cyl | 4 |
Engine crankcase vent syst | Closed |
Engine duty rating | Avaliable in C12 - High Speed Craft Commercial_3 / C9 - Special Light Duty Commercial_4 |
Output [ps(kW)] acc. to ISO 8665 | 175 (129) / 230 (169) / 270 (199) / 300 (221) / 320 (235) |
Displacement [cc] | 3670 |
Injection system | Common rail fuel injection system |
Alternator [A] | 12V - 150A / 24V - 80A |
Electronic engine diagnostic | YES |
Propulsion system | Shaft drive / Water jet |
Titel | Type | Størrelse | Download |
---|---|---|---|
BUKH_D4-175_A4_2.gen.pdf | 4.91MB | Download | |
BUKH_D4-230_A4_2.gen.pdf | 4.91MB | Download | |
BUKH_D4-270_A4_2.gen.pdf | 4.85MB | Download | |
BUKH_D4-300_A4_2.gen.pdf | 4.85MB | Download | |
BUKH_D4-320_A4_2.gen.pdf | 4.85MB | Download |