Westerbeke Logo


W 46

Cylinders: 4
Bore: 3.30 in.
Stroke: 3.70 in.
Displacement: 127.00 cu. in.
Aspiration: Natural

Length: 36.72 in.
Width: 18.13 in.
Height: 24.00 in.
Weight: 535.00 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.




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 N/A
Manuals (Operators, Parts, Technical, Installation)
Document Name Publication Date
  Technical Manual 034907 10/1/2018
  Installation Manual - Marine Engines & Generators 6/1/2016
  Westerbeke Superseded Parts Listing August 2015 8/1/2015
  Parts Manual 034908 8/1/1991
  Operator's Manual 034468 N/A
Guides (Troubleshooting)
No matching records found
Diagrams (Wiring, Installation)
Document Name Publication Date
  Wiring Diagram 033685 Revision B 7/12/2012
  Wiring Diagram 036467 Revision B 7/12/2012
Bulletins (Service, Parts, Product Recalls)
Document Name Publication Date
  Parts Bulletin 2008-4: Paint Storage

Applies To: All Models

  Service Bulletin #242: Manufacture Date Code

  Service Bulletin #238: Fuel Pump Inlet Filter Part Number 048076

  Service Bulletin #155: Keyswitch

  Service Bulletin #150: Sea Water Pump

  Service Bulletin #136: Shift Lever

  Service Bulletin #125: Oil Pressure Switches