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Perkins 4.108M Marine

Perkins Perkins 4.108M · 4. family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.

🚜 Base engine confirmed

The Perkins 4.108M is the marine version of Perkins's own 4.108 industrial engine. Internal service parts cross directly to industrial 4.108 part numbers, which sell cheaper through industrial/agricultural channels. — Perkins model nomenclature: M suffix = marine version of the same engine type; industrial 4.108 used in tractors gensets and plant

51 hp37.5 kW
1760 ccdisplacement
79.4×88.9 mmbore × stroke
4-cylcylinders
1958–1992year range (approx)
NAaspiration
📋 Full specifications 8 🚜 Industrial / tractor base 🔧 Aftermarket 4
Cheaper-part coverage · 1/8
🚜 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 · 36 assemblies

The exploded parts diagrams for the Perkins 4.108M, grouped by system. Open a figure for its callout part numbers and per-variant quantities.

Controls

Fig ZANE00022 — THROTTLE & STOP CONTROLS

Cooling

Fig JBNE00026-NA — LUBRICATING OIL FILTER AND INTEGRAL OIL COOLERFig LBNE00034-A — WATER PUMP, HEADER TANK, HEAT EXCHANGERFig ZMHE00161 — CYLINDER BLOCK WATER DRAIN

Drive

Fig KBHE00296 — FRONT END DRIVE INPUTFig KDHE00042 — FRONT END DRIVE OUTPUT

Electrical

Fig DDHE00377 — FLYWHEEL & STARTER RINGFig EDNE00032 — STARTER MOTORFig ZZNE00006 — APPLICATIONS MISCELLANEOUS (WIRING HARNESS KIT)

Engine

Fig ACHE0045-B — CRANKSHAFT, PISTONS, CONNECTING RODSFig ACHE0045-C — CYLINDER HEADFig ACHE0045-D — ROCKER SHAFTFig ACHE0045-E — TIMING GEAR & CAMSHAFTFig CDHE00320 — FLYWHEEL HOUSINGFig XBHE00143 — ENGINE LIFTING

Engine Mounts

Fig ZCNE00015 — MOUNTINGS (FRONT & REAR)

Exhaust

Fig UBHE00192 — EXHAUST MANIFOLDFig UDHE00139 — EXHAUST OUTLET FLANGE

Fuel

Fig AFHE00855 — FUEL INJECTION EQUIPMENT (DIESEL)Fig VBHE00588-A — LOW PRESSURE FUEL SYSTEMFig WDHE00024 — COLD START SYSTEMFig ZVHE00194 — FUEL PRE-LIFT PUMP

Gearbox

Fig BDNE00010 — PTO CLUTCH & GEARBOXFig BDNE00011 — PTO CLUTCH AND GEARBOX

Instruments

Fig ZLNE00008 — TEMPERATURE GAUGE & SENDERFig ZQHE00352 — TACHOMETER & HOUR RECORDER

Intake

Fig TBHE00296 — INDUCTION MANIFOLDFig TDHE00083 — AIR CLEANER & RESTRICTION INDICATOR

Lubricating

Fig ACHE0045-F — LUBRICATING OIL PUMP & DELIVERY HOUSINGFig GBHE00497 — LUBRICATING OIL SUMPFig HBHE00596 — LUBRICATING OIL FILLER & BREATHERFig ZJNE00010 — LUBRICATING OIL PRESSURE SWITCH & GAUGE

Sea Water Pump

Fig QBNE00003 — GEAR DRIVEN SEA WATER PUMP

Service Kits

Fig SACE00032 — JOINTS & GASKETS - TOP SERVICE KITFig SGBE00030 — JOINTS & GASKETS - BOTTOM SERVICE KIT

Other

Fig ZZNE00007 — APPLICATIONS MISCELLANEOUS
📚 Manuals & Sources
Specs— none yet
Operator's Manual— none yet
Service / Workshop Manual
Parts Catalog / List
More📖 Boat Inboard Engine Manuals Boat Manuals

External links — we host none of these documents.

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Category
Marine
Engine family
4.
Year range (approx)
1958–1992
Cylinders
4
Rated output
51 hp (37.5 kW)
Bore × stroke
79.4 × 88.9 mm
Displacement
1760 cc
Max rpm
4000
Continuous rpm
3600
Aspiration
Naturally aspirated

Related 4. engines

Perkins 4.107Perkins 4.108Perkins 4.154Perkins 4.154M (Marine)Perkins 4.236Perkins 4.236M (Marine)