12.5 BTDBR

The 12.5 BTDBR is a powerful 4 cylinder work horse in the Westerbeke mobile line of diesel generators.  Air tuning, a cast iron block, and 1800 rpm mean increased power, longevity and smooth, quiet operation.  Each 12.5 BTDBR draws on field tested design experience gained supplying generators to the United States Navy, United States Coast Guard, and all the major U.S. Fire Apparatus Builders.

Category:

Description

SPECS

Cylinders: 4
Bore: 3.07 in.
Stroke: 3.62 in.
Displacement: 107.27 cu. in.
Aspiration: Natural
Length: 41.19 in.
Width: 20.01 in.
Height: 26.14 in.
Weight: 607.00 lbs.

Additional information

Dimensions 41.19 × 20.01 × 26.14 in
Brand

Westerbeke

Run Type

Diesel

Cylinders

4

Displacement

107.27 cu. in.

Weight

607.00 lbs.

Age

New

Technical Documents

Advanced Specifications

Advanced Specifications

Manuals (Operators, Parts, Technical, Installation)

Installation Manual – Marine Engines & Generators
Westerbeke Superseded Parts Listing August 2015
Operator’s Manual 049120
Parts Callout Drawing 54274

Guides (Troubleshooting)

BT GENERATORS A C ELECTRICAL TROUBLESHOOTING GUIDE

Diagrams (Wiring, Installation)

Wiring Diagram 054031
Wiring Diagram 044744 Revision C
Wiring Diagram 044743
Wiring Diagram 044744 Revision A
Wiring Diagram 044744 Revision B
Installation Drawing 45087

Bulletins (Service, Parts, Product Recalls)

Parts Bulletin 2013-2: Piston and Rings Change
Parts Bulletin 2008-4: Paint Storage
Service Bulletin #250: BT Generators
Service Bulletin #242: Manufacture Date Code
Service Bulletin #238: Fuel Pump Inlet Filter Part Number 048076
Service Bulletin #125: Oil Pressure Switches

Parts

Common Maintenance Parts

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