212 documented fitments · 56 hp · 3800 rpm
Propeller for the Yanmar 4JH3E.
We've documented 212 propeller installations behind this engine — the ratios, drives and sizes below are what the fleet actually runs.
Rated power
56 hp
Max RPM
3800
Common ratios
2.63:1 · 2.62:1 · 2.32:1 · 2.64:1
Drive split
188 shaft · 24 saildrive
Documented propeller families
The fleet
Boats we've propped with the 4JH3E
- Jeanneau SO40×15
- Beneteau 393×10
- Island Packet 380×10
- Catalina 400×8
- Lagoon 470×8
- Beneteau Oceanis 411×6
- Beneteau 411×5
- Jeanneau SO 43×5
- Moody 38×5
- Beneteau Oceanis 393×4
- Beneteau Oceanis 40cc×4
- Jeanneau 40DS×4
- Jeanneau 43DS×4
- Najad 373×4
4JH3E propeller questions
What size propeller suits a Yanmar 4JH3E?
It depends on the gearbox ratio behind it (documented installations most often run 2.63:1, 2.62:1, 2.32:1) and the boat it pushes. Power and max RPM set the optimum diameter; the ratio converts engine speed to shaft speed. The Builder runs the numbers and an engineer verifies.
Which propeller family do Yanmar 4JH3E owners fit?
Documented Yanmar 4JH3E installations run Autoprop H5, Autoprop H6, Varifold 3-blade — the split follows boat type and usage rather than the engine itself.
Does the Yanmar 4JH3E come in shaft and saildrive versions?
Both are documented: 188 shaft and 24 saildrive installations. The propeller differs (hub vs spline fitting) so tell us which yours is.
Running a Yanmar 4JH3E?
Two minutes in the Builder — engine pre-filled, gearbox ratio checked against the fleet, verified by an engineer within one business day.