12.0 BTDA - 50 Hz

Cylinders: 4
Bore: 3.50 in.
Stroke: 3.51 in.
Displacement: 134.80 cu. in.
Aspiration: Natural

Length: 39.63 in.
Width: 21.19 in.
Height: 25.93 in.
Weight: 765.00 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	2/1/1993

Manuals (Operators, Parts, Technical, Installation)

Document Name	Publication Date
Installation Manual - Marine Engines & Generators	6/1/2016
Westerbeke Superseded Parts Listing August 2015	8/1/2015
Parts Manual 038824	8/1/1998
Operator's Manual 038663	5/1/1997
Technical Manual 032460	N/A

Guides (Troubleshooting)

Document Name	Publication Date
BT GENERATORS A C ELECTRICAL TROUBLESHOOTING GUIDE	3/1/2016
ELECTRONIC GOVERNOR ANALOG DIESEL MODELS TROUBLESHOOTING GUIDE	3/19/2014

Diagnostic Software

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Diagrams (Wiring, Installation)

Document Name	Publication Date
Wiring Diagram 039422 Revision F	4/25/2003
Wiring Diagram 039422 Revision E	8/3/2000
Wiring Diagram 036411 Revision C	6/15/1991

Bulletins (Service, Parts, Product Recalls)

Document Name	Publication Date
Parts Bulletin 2008-4: Paint Storage Applies To: All Models	11/24/2008
Service Bulletin #250: BT Generators	4/28/2006
Service Bulletin #242: Manufacture Date Code	8/20/2004
Service Bulletin #238: Fuel Pump Inlet Filter Part Number 048076	2/28/2003
Service Bulletin #125: Oil Pressure Switches	8/14/1983

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