Westerbeke W33 Marine
Westerbeke Westerbeke W33 · W family — specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.
🚜 Base engine confirmed
The Westerbeke W33 is a marinized Mitsubishi K4F block (1491cc 78x78mm, same block as the 42B); internals cross to Mitsubishi K4F part numbers. source
33 hp24.3 kW
1491 ccdisplacement
78×78 mmbore × stroke
4-cylcylinders
1980–1984year range (approx)
NAaspiration
Cheaper-part coverage · 4/8
🚜 Base engine ✓🌀 Impeller ✓💧 Raw-water pump🛢️ Oil filter⛽ Fuel filter🌡️ Thermostat ✓➰ Belt⚓ Anode ✓
A ✓ means at least one cheaper channel — aftermarket, the tractor/industrial base engine, or a standard component — exists for this engine in that category.
📚 Manuals & Sources
Specs— none yet
Operator's Manual— none yet
Service / Workshop Manual— none yet
Parts Catalog / List
External links — we host none of these documents.
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- Category
- Marine
- Engine family
- W
- Year range (approx)
- 1980–1984
- Cylinders
- 4
- Rated output
- 33 hp (24.3 kW)
- Bore × stroke
- 78 × 78 mm
- Displacement
- 1491 cc
- Max rpm
- 3000
- Aspiration
- Naturally aspirated
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