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D4 / 180

D4 / 180

D4 / 180

Product catalog summary
Overview: The BUKH D4-180 is a modern diesel engine featuring advanced technology such as a common rail fuel injection system, double overhead camshafts, and a turbocharger with aftercooler. It is designed for high performance with a large swept volume and Electronic Vessel Control (EVC) system.
Engine Block and Head: The engine includes a cast iron cylinder block and head, a combined ladder frame and balance shaft, and 4-valve technology with hydraulic lash adjusters. It also features oil-cooled pistons, integrated cylinder liners, replaceable valve seats, and a five-bearing crankshaft.
Engine Mounting: The engine is mounted flexibly to reduce vibrations.
Lubrication System: It has a full-flow and by-pass oil filter that is easily replaceable, along with a seawater-cooled tubular oil cooler.
Fuel System: The engine uses a common rail fuel injection system with a control unit for injection processing, a fine filter with a water separator, and an alarm system.
Air Inlet and Exhaust System: Features include an air filter with a replaceable insert, venting of crankcase gases into the air inlet, and a freshwater-cooled turbocharger with a seawater loss alarm.
Cooling System: The engine is equipped with a thermostatically regulated freshwater cooling system, a tubular heat exchanger, and a large volume expansion tank. It is also prepared for a hot water outlet and has an accessible seawater impeller pump.
Electrical System: The engine supports a 12V or 24V two-pole electrical system, a 14V/115A marine alternator with Zener-diodes, and fuses with automatic reset. It also includes an auxiliary stop button.
Instruments/Controls: The engine comes with complete instrumentation and display packages, electronic shift and throttle options, and plug-in connections.
Specifications: The D4-180 engine is SOLAS approved, with a crankshaft power of 180 hp (132 kW) at 2800 rpm. It has an in-line 4-cylinder configuration, a displacement of 3.7 liters, and a compression ratio of 17.5:1. The maximum fuel consumption is 34.7 L/h, and it has a dry weight of 482 kg. The propulsion system options include shaft drive or waterjet.
Performance Data: Graphs indicate fuel consumption, power, and torque across various RPMs, showing the engine's efficiency and performance under different loads.
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Catalog excerpts

D4 / 180-1

The BUKH 4-cylinder D4-180 is developed from the latest design in modern diesel technology. The engine has common rail fuel injection system, double overhead camshafts, 4 valves per cylinder, turbocharger and aftercooler. Together with a large swept volume and the EVC system (Electronic Vessel Control), this results in world-class diesel performance. ENGINE BLOCK AND HEAD • Cast iron cylinder block and cylinder head • Combined ladder frame and balance shaft • 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 by-pass 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 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 or 24V two-pole electrical system • 14V/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/CONTROLS • Complete instrumentation/display packages, including e-key • Electronic shift and throttle available as extras • Plug-in connections 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

 Open the catalog to page 1
D4 / 180-2

D4-180 BUKH SOLAS MARINE DIESEL ENGINE Engine duty rating C9 - Special Light Duty Commercial_4 Crankshaft power [hp(kW)] Rpm@full load Compression ratio Injection system Common Rail fuel injection system Electronic engine diagnostic Engine type Power Shaft Drive / Waterjet Propulsion system Crankshaft power Calculat d propeller load exp. 3 e 15 As BUKH is always endeavouring toPower the 0engines, specifications mentioned are subject improve 150 Crankshaft power to alterations without previous notice. kW hp, m etric Calculat d propeller load exp. 3 e 12 125 5 Fuel consumption At calculate d propeller...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.