Universal M3-20B Marine
Universal Universal M3-20B · M3 family — specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.
🚜 Base engine likely
The later Universal M3-20B (719cc 20hp) is a marinized Kubota 3-cyl D-series block in the D640/D722 family. source
20 hp14.7 kW
719 ccdisplacement
67×68 mmbore × stroke
3-cylcylinders
from 2000year range (approx)
NAaspiration
Cheaper-part coverage · 5/8
🚜 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
- Advanced Specifications Mfr Westerbeke
Operator's Manual— none yet
Service / Workshop Manual— none yet
Parts Catalog / List
- Parts Manual 201009 Mfr Westerbeke
External links — we host none of these documents.
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- Category
- Marine
- Engine family
- M3
- Year range (approx)
- from 2000
- Cylinders
- 3
- Rated output
- 20 hp (14.7 kW)
- Bore × stroke
- 67 × 68 mm
- Displacement
- 719 cc
- Max rpm
- 3600
- Aspiration
- Naturally aspirated