Westerbeke offers a full line of auxiliary diesel propulsion engines for sail and powerboats
through Engines1.  These Westerbeke diesel engines are well thought out from engineering to installation to make your experience with maintenance and installation hassle free.  Covering the full horsepower range without any turbochargers, Westerbeke diesel engines provide smooth, quiet, and reliable power for your vessel.  Backed by the strongest service network in the world.
Starting with rugged industrial grade diesel engines Westerbeke adds the components to finish these engines.  This process incorporates the best CNC machines and 3D software.  With these processes you can rest assured that the fit and finish are top quality.  This fact is supported by many of the top boat builders in the world.
All of the engines below are naturally aspirated and do not use power adders such as turbos to give you the power you need at lower rpm's.  This provides long life and less maintenance for you over the long haul.
 

MODEL	POWER		ENGINE RPM'S	NO. CYLINDERS	ASPIRATION	DISPLACEMENT
	HP	Kw				CID	LITERS
12C TWO	12.0	8.9	3000	2 Cylinder	Natural	39	0.6
20B TWO	18.0	13.4	3600	2 Cylinder	Natural	39	0.6
30B THREE	27.0	20.1	3600	3 Cylinder	Natural	58	1.0
35D THREE	31.0	23.0	3000	3 Cylinder	Natural	80	1.3
44B FOUR	44.0	32.0	3000	4 Cylinder	Natural	107	1.8
55C FOUR	55.0	41.0	3000	4 Cylinder	Natural	133	2.2
64A FOUR	64.0	47.0	2600	4 Cylinder	Natural	182	3.0
71C FOUR	71.0	52.9	3600	4 Cylinder	Natural	154	2.5

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