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BUKH
D13 / 550

D13 / 550

Product catalog summary

Overview: The BUKH D13 is an in-line 6-cylinder diesel engine developed with modern diesel technology. It features a robust block, high-pressure unit injector system, 4 valves per cylinder, a twin-entry waste gate turbo, and an electronic engine management system, ensuring smooth operation, high performance, low fuel consumption, and reduced emissions.

Engine Block and Head: The engine includes a cast iron cylinder block and a one-piece cast iron cylinder head. It has a ladder frame, replaceable wet cylinder liners, and valve seats/guides. The crankshaft is drop forged with induction-hardened bearing surfaces and fillets, supported by 7 main bearings. The engine design includes a 4-valve per cylinder layout with an overhead camshaft and centrally positioned unit injectors, featuring cross-flow inlet and exhaust ducts. The pistons are gallery oil-cooled cast aluminum alloy with three piston rings.

Engine Mounting: The engine is mounted flexibly to reduce vibrations.

Lubrication System: It has an integrated oil cooler in the cylinder block and a rear-positioned twin full-flow oil filter of spin-on type with a bypass.

Fuel System: The engine uses electronic high-pressure unit injectors, a gear-driven fuel pump, and injection timing, managed by an electronically controlled central processing system (EMS). It includes a single fine fuel filter of spin-on type.

Air Inlet and Exhaust System: Features a mid-positioned twin-entry turbocharger and charge air cooler, with an air filter having replaceable inserts. A wet exhaust elbow/riser is optional.

Cooling System: The engine is equipped with a freshwater-cooled charge air cooler, a seawater-cooled plate heat exchanger, and a coolant system prepared for hot water outlet. The seawater pump is easily accessible at the rear end of the flywheel housing.

Electrical System: It includes a 24V/110A alternator.

Instruments/Controls: The engine comes with complete instrumentation, including a key switch and interlocked alarm, EVC monitoring panels for single or twin installations, electronic shift and throttle, plug-in connectors, and an optional EVC system color display.

Technical Specifications: The BUKH SOLAS Marine Diesel Engine D13-550 is SOLAS approved by Det Norske Veritas. It has a crankshaft power of 550 hp (404 kW) at 1900 rpm, with a displacement of 12.78 liters. The bore and stroke are 131 mm and 158 mm, respectively, with a compression ratio of 16.5:1. The engine features electronic high-pressure unit injectors and an electronic engine diagnostic system. It delivers a maximum torque of 2363 NM at 1400 rpm and has a dry weight of 1520 kg. The propulsion system is shaft drive.

Dimensions: The document provides dimensions for installation purposes, noting that specifications are subject to change without notice as BUKH continuously improves its engines.

Catalog excerpts

The BUKH D13 in-line 6 cylinder diesel is developed from the latest design in modern diesel technology. The engine has a robust block with ladder frame, high pressure unit injector system, 4 valves per cylinder, "twin entry” waste gate turbo and after cooler, as well as electronic engine management system. The result is a very smooth-running engine with world-class diesel performance, combined with low fuel consumption and emissions. ENGINE BLOCK AND HEAD • Cast iron cylinder block • 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 7 main bearings • 4 valve per cylinder layout with overhead camshaft and center position of unit injectors • Each cylinder features cross-flow inlet and exhaust ducts • Gallery oil cooled cast aluminium alloy pistons wtih three piston rings • Rear-end transmission ENGINE MOUNTING • Flexible engine mounting LUBRICATION SYSTEM • Integrated oil cooler in cylinder block • Rear positioned twin full flow oil filter of spin-on type and by-pass FUEL SYSTEM • Electronic high pressure unit injectors • Gear-driven fuel pump and injection timing • Electronically controlled central processing system (EMS - Engine Management System) • Single fine fuel filter of spin-on type AIR INLET AND EXHAUST SYSTEM • Mid-positioned twin entry turbocharger and charge air cooler • Air filter with replaceable inserts • Wet exhaust elbow/riser (option) COOLING SYSTEM • Freshwater-cooled charge air cooler • Seawater cooled plate heat exchanger • Coolant system prepared for hot water outlet • Easily accessible seawater pump in rear end of flywheel housing ELECTRICAL SYSTEM • 24V/110A alternator INSTRUMENTS/CONTROLS • Complete instrumentation including key switch and interlocked alarm • EVC monitoring panels for single or twin installations • Electronic shift and throttle • Plug-in connectors • EVC system color display - (optional)

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BUKH SOLAS MARINE DIESEL ENGINE D13 D13-550 Specifications Engine type Engine duty rating Crankshaft power [hp(kW)] 550 (404) Propulsion system Shaft drive As BUKH is always endeavouring to improve the engines, specifications mentioned are subject to alterations without previous notice. (A HE/CC 1420 (56), KC 1465 (58) @ HE/CC 1728 (68), KC 1773 (70) [16] [16] (A HE/CC 508 (20), KC 450 (18) , SOLAS approved by Det Norske Veritas Notified Body: No. 0575 www.bukh.dk - © 2016 BUKH. All rights reserved. 009U57215-R01

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