Universal M-40B Marine
Universal Universal M-40B · M family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.
🚜 Base engine likely
The Universal M40B (1498cc 37hp) matches the Kubota V-1505 block by fingerprint. source
37 hp27.2 kW
1498 ccdisplacement
78×78.4 mmbore × stroke
4-cylcylinders
from 1993year 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.
Parts by section · 26 assemblies
The exploded parts diagrams for the Universal M-40B, grouped by system. Open a figure for its callout part numbers and per-variant quantities.
Body
Fig 3 — OIL PAN ASSEMBLY, OIL PRESSURE SWITCH - M-25XPBFig 4 — OIL PAN ASSEMBLY, OIL PRESSURE SWITCH - M-35B M-40BFig 22 — MODEL HBW VERTICAL SHIFTING BRACKET
Cooling
Fig 11 — EXHAUST MANIFOLD and HEAT EXCHANGER M-25XPB / M-35B / M-40BFig 20 — FRESH WATER COOLING SYSTEM
Crankshaft & Pistons
Fig 7 — PISTONS, CRANKSHAFT AND MAIN BEARINGS- M-25XPBFig 8 — PISTONS, CRANKSHAFT AND MAIN BEARINGS - M-35B / M-40B
Electrical
Engine Block & Head
Fig 1 — CYLINDER BLOCK ASSEMBLY - M-25XPBFig 2 — CYLINDER BLOCK ASSEMBLV - M-35 / M-40Fig 5 — CYLINDER HEAD ASSEMBLY - M-25XPBFig 6 — CYLINDER HEAD ASSEMBLY M-358 M-408
Fuel
Fig 12 — FUEL FILTER, NOZZLE HOLDERS AND INJECTORS - M-25XPBFig 13 — FUEL FILTER, NOZZLE HOLDERS, INJECTORS - M-35B / M-40BFig 18 — THROTTLE AND GOVERNOR ASSEMBLIESFig 19 — FUEL LIFT PUMP, SOLENOID AND FUEL RETURN
Miscellaneous
Transmission & Mounting
Valve Train
Fig 9 — VALVE HEAD COVER AND AIR INTAKE MANIFOLD- M-25XPBFig 10 — VALVE HEAD COVER, AIR INTAKE MANIFOLD M-358 / M-408Fig 14 — FUEL CAMSHAFT AND GOVERNOR SHAFT - M-25XPBFig 15 — FUELCAMSHAFTANDGOVERNORSHAFT-M~5BIM40BFig 16 — VALVES, ROCKER ARMS AND CAMSHAFTS- M-25XPBFig 17 — VALVES, ROCKER ARMS AND CAMSHAFTS - M-358 / M-408
📚 Manuals & Sources
Specs
- Advanced Specifications - Old Model Mfr Westerbeke
Operator's Manual— none yet
Service / Workshop Manual— none yet
Parts Catalog / List
- Parts Manual 201021 Mfr Westerbeke
External links — we host none of these documents.
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- Category
- Marine
- Engine family
- M
- Year range (approx)
- from 1993
- Cylinders
- 4
- Rated output
- 37 hp (27.2 kW)
- Bore × stroke
- 78 × 78.4 mm
- Displacement
- 1498 cc
- Max rpm
- 3000
- Aspiration
- Naturally aspirated
Related M engines
Universal M-12Universal M-15Universal M-18Universal M-20Universal M-25Universal M-25XPUniversal M-25XPAUniversal M-25XPBUniversal M-25XPBCUniversal M-30Universal M-35Universal M-35AUniversal M-35BUniversal M-35BCUniversal M-40Universal M-40AUniversal M-40BCUniversal M-50Universal M-50AUniversal M-50B