3JH2Z Marine
Yanmar 3JH2Z · 3JH family: specifications, its industrial/tractor base engine, cross-referenced parts and where to buy them.
The Yanmar 3JH2Z is a Yanmar marine diesel in the 3JH2 family. Yanmar designs and sells both marine and industrial diesels; internal service parts for this family are listed in the 3JH2 parts book and often sell cheaper through industrial/agricultural channels than under marine dealer pricing. — Yanmar OEM parts catalog in-repo (brands/yanmar/data/extracted/catalogs.csv)
emissions/region trim of 3JH2; same engine; year span verify
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 · 39 assemblies
The exploded parts diagrams for the 3JH2Z, grouped by system. Open a figure for its callout part numbers and per-variant quantities.
Bilge & accessory pumps
Camshaft & timing gears
Controls
Cooling – fresh water
Cooling – sea water
Cylinder block
Cylinder head & valves
Electrical & instruments
Fuel injection pump & governor
Fuel injectors & nozzles
Fuel lines, tank & filter
Gaskets, kits & spare parts
Generator (genset)
Intake and Exhaust
Lubricating
Mounting
Pistons, rods & liners
Tools & labels
Transmission & drive
External links — we host none of these documents.
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- Category
- Marine
- Engine family
- 3JH
- Year range (approx)
- 1991–1998
- Cylinders
- 3
- Rated output
- 38 hp (27.9 kW)
- Bore × stroke
- 82 × 86 mm
- Displacement
- 1363 cc
- Max rpm
- 3600
- Continuous rpm
- 3400
- Aspiration
- Naturally aspirated