Westerbeke 38B Four Marine
Westerbeke Westerbeke 38B Four · 38B-FOUR family — specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.
🚜 Base engine confirmed
The Westerbeke 38B-Four is a marinized Mitsubishi K4D block (1305cc 73x78mm); internals cross to Mitsubishi K4D part numbers. source
37 hp27.2 kW
1305 ccdisplacement
73×78 mmbore × stroke
4-cylcylinders
1987–2001year range (approx)
NAaspiration
Cheaper-part coverage · 6/8
🚜 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
Service / Workshop Manual— none yet
Parts Catalog / List
External links — we host none of these documents.
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- Category
- Marine
- Engine family
- 38B-FOUR
- Year range (approx)
- 1987–2001
- Cylinders
- 4
- Rated output
- 37 hp (27.2 kW)
- Bore × stroke
- 73 × 78 mm
- Displacement
- 1305 cc
- Max rpm
- 3600
- Aspiration
- Naturally aspirated