Westerbeke W63B Four Marine
Westerbeke Westerbeke W63B Four · W family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.
The Westerbeke W63B is a marinized Mazda/Perkins 4.135-class tractor block (134.8 cu in — same displacement family as the W52 / Perkins 4-135 / Mazda R2); internals cross to Perkins 4.135 / Mazda industrial numbers where they match. source
A ✓ means at least one cheaper channel — aftermarket, the tractor/industrial base engine, or a standard component — exists for this engine in that category.
Parts by section · 10 assemblies
The exploded parts diagrams for the Westerbeke W63B Four, grouped by system. Open a figure for its callout part numbers and per-variant quantities.
Body
Cooling
Fuel
Generator
Inlet & Exhaust
Lubricating
Transmission & Mounting
Valve Train
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- Category
- Marine
- Engine family
- W
- Cylinders
- 4
- Rated output
- 63 hp (46.3 kW)
- Bore × stroke
- 88.9 × 89.2 mm
- Displacement
- 2209 cc
- Aspiration
- Naturally aspirated