MarineDieselXRef
Home › Engines › Westerbeke W90A Four

Westerbeke W90A Four Marine

Westerbeke Westerbeke W90A Four · W family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.

🚜 Base engine not identified

The Westerbeke Westerbeke W90A Four is a marinized industrial/tractor engine, but its specific donor block isn't identified yet. Its aftermarket equivalents may still help.

90 hp66.2 kW
4-cylcylinders
NAaspiration
📋 Full specifications 🚜 Industrial / tractor base 🔧 Aftermarket 21
Cheaper-part coverage · 2/8
🚜 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 · 34 assemblies

The exploded parts diagrams for the Westerbeke W90A Four, grouped by system. Open a figure for its callout part numbers and per-variant quantities.

Body

Fig 152 — WESTERBEKE 32.0 BEDA - AC OUTPUT AND REGULATORFig 154 — WESTERBEKE '32.0 BEDA - AC OUTPUT 1 PHASE CIRCUIT BREAKERFig 158 — WESTERBEKE 32.0 BEDA - BELT GUARD

Cooling

Fig 118 — WESTERBEKE 90A - 32.0 BEDA - FRESH WATER COOLING SYSTEM - FRONTFig 120 — WESTERBEKE 90A - 32.0 BEDA - COOLING SYSTEM - REARFig 124 — WESTERBEKE 90A - 32.0 BEDA - SEA WATER SYSTEM AND ALTERNATORFig 128 — WESTERBEKE 90A - 32.0 BEDA - SEA WATER PUMPFig 130 — WESTERBEKE 90A - 32.0 BEDA - FRESH WATER PUMP

Crankshaft & Pistons

Fig 104 — WESTERBEKE 90A - 32.0 BEDA - CRANKSHAFT - PISTONS

Electrical

Fig 160 — WESTERBEKE 90A FOUR - ELECTRICAL SYSTEMFig 162 — WESTERBEKE 32.0 BEDA - ELECTRICAL SYSTEMFig 166 — WESTERBEKE 90A FOUR - PROPULSION INSTRUMENT PANELS

Engine Block & Head

Fig 100 — WESTERBEKE 90A - 32.0 BEDA - CYLINDER BLOCKFig 102 — WESTERBEKE 90A - 32.0 BEDA - CYLINDER HEAD

Fuel

Fig 132 — WESTERBEKE 90A - 32.0 BEDA - FUEL SYSTEMFig 136 — WESTERBEKE 90A - '32.0 BEDA - FUEL FILTERFig 156 — WESTERBEKE 90A - 32.0 BEDA - FUEL SOLENOID & GOVERNOR ACTUATOR

Generator

Fig 148 — WESTERBEKE 32.0 BEDA - BACK END - GENERATORFig 168 — WESTERBEKE 32.0 BEDA - GENERATOR CONTROL PANELFig 172 — WESTERBEKE 32.0 BEDA - GENERATOR CONTROL PANEL WITH REMOTE CONNECTORFig 178 — WESTERBEKE '32.0 BEDA - GENERATOR SOUND GUARD WITH METAL BASE

Inlet & Exhaust

Fig 114 — WESTERBEKE 90A - 32.0 BEDA - INTAKE MANIFOLDFig 122 — WESTERBEKE 90A FOUR - FRONT OPENING EXHAUST MANIFOLD

Lubricating

Fig 110 — WESTERBEKE 90A - 32.0 BEDA - LUBE OIL SUMPFig 116 — WESTERBEKE 90A - 32.0 BEDA - LUBE OIL FILTER AND PUMP

Miscellaneous

Fig 179 — WESTERBEKE 90A - 32.0 BEDA - MISCELLANEOUS

Transmission & Mounting

Fig 138 — WESTERBEKE 90A FOUR - BACK END - MOUNTING SYSTEMFig 140 — WESTERBEKE 90A FOUR - MODEL HBW 250 TRANSMISSIONFig 142 — WESTERBEKE 90A FOUR - MODEL HSW 450-630 TRANSMISSIONFig 144 — WESTERBEKE 90A FOUR - WARNER TRANSMISSIONFig 146 — WESTERBEKE '32.0 BEDA - MOUNTING SYSTEMFig 174 — WESTERBEKE 90A FOUR - COMPRESSOR MOUNTING BRACKET

Valve Train

Fig 106 — WESTERBEKE 90A - 32.0 BEDA - VALVES - ROCKER SHAFT - CAMSHAFTFig 108 — WESTERBEKE 90A - 32.0 BEDA - TIMING GEAR COVER
📚 Manuals & Sources
Specs— none yet
Operator's Manual— none yet
Service / Workshop Manual— none yet
Parts Catalog / List— none yet
More📖 Boat Inboard Engine Manuals Boat Manuals

External links — we host none of these documents.

Westerbeke W90A Four — Affiliate Parts Search

AmazoneBayAliExpress

As an Amazon Associate I earn from qualifying purchases. Other links (eBay, AliExpress) are also affiliate links — they help pay for the site, at no extra cost to you. More

Category
Marine
Engine family
W
Cylinders
4
Rated output
90 hp (66.2 kW)
Aspiration
Naturally aspirated

Related W engines

Westerbeke W108B SixWesterbeke W108C SixWesterbeke W13Westerbeke W13AWesterbeke W18Westerbeke W21Westerbeke W21AWesterbeke W27Westerbeke W27AWesterbeke W33Westerbeke W33AWesterbeke W40AWesterbeke W46Westerbeke W50Westerbeke W52Westerbeke W55A FourWesterbeke W58Westerbeke W60Westerbeke W63B FourWesterbeke W63C FourWesterbeke W71B FourWesterbeke W71C FourWesterbeke W82B Four