38B Four

Cylinders: 4
Bore: 2.87 in.
Stroke: 3.07 in.
Displacement: 79.64 cu. in.
Aspiration: Natural

Length: 33.77 in.
Width: 17.23 in.
Height: 23.70 in.
Weight: 419.00 lbs.

This model is no longer in production. Please select from the menu for parts information and technical documents such as advanced specifications, diagrams, manuals and product bulletins.

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Technical Documents

Important Note: Technical information is provided on our website for your reference and convenience. Westerbeke recommends that your engine, generator or climate control system is serviced and/or installed only by an authorized Westerbeke distributor or dealer. Click here to locate the Master Distributor or Dealer for your area.

Advanced Specifications

Document Name	Publication Date
Advanced Specifications - Old Model	5/1/1988

Manuals (Operators, Parts, Technical, Installation)

Document Name	Publication Date
Operator's Manual 037435	3/1/2018
Installation Manual - Marine Engines & Generators	6/1/2016
Westerbeke Superseded Parts Listing August 2015	8/1/2015
Parts Manual 036776	2/1/1990
Technical Manual 043440	N/A

Guides (Troubleshooting)

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Diagnostic Software

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Diagrams (Wiring, Installation)

Document Name	Publication Date
039144 Revision M	3/2/2009
Wiring Diagram 039144 Revision J	12/12/2008
Wiring Diagram 039144 Revision K	12/12/2008
Wiring Diagram 039144 Revision L	12/12/2008
Wiring Diagram 039144 Revision N	8/7/2008

Bulletins (Service, Parts, Product Recalls)

Document Name	Publication Date
Parts Bulletin 2013-1 valve diameter change Applies To:	6/18/2013
Parts Bulletin 2012-1 BW7 and JS Transmission Applies To: 20B Two, 30B Three, 35B Three, 35C Three, 35D Three, 38B Four, 42B Four, 44A Four	4/13/2012
Parts Bulletin 2008-4: Paint Storage Applies To: All Models	11/24/2008
Parts Bulletin 2007-2: Fuel Filter 030200 Applies To:	4/25/2007
Parts Bulletin 2006-4 Parts List #036776 Applies To:	4/28/2006
Service Bulletin #242: Manufacture Date Code	8/20/2004
Service Bulletin #239: Transmission Lubricant Change	10/27/2003
Service Bulletin #238: Fuel Pump Inlet Filter Part Number 048076	2/28/2003
Service Bulletin #184: Operator's Manual Pub #37435	5/30/1990
Service Bulletin #155: Keyswitch	6/21/1985
Service Bulletin #136: Shift Lever	2/9/1984
Service Bulletin #125: Oil Pressure Switches	8/14/1983

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