Yanmar 3JH40 Marine Diesel Engine, 40 HP
The Yanmar 3JH40 is a 3-cylinder, 4-stroke, water-cooled common-rail inboard marine diesel rated at 40 mhp (29.4 kW) at 3000 RPM. It displaces 1.642 L, measures 774 x 580 x 632 mm and weighs 192 kg without gear.
Electronically managed common-rail injection keeps smoke and odor low, and the engine meets EPA Tier 3 and EU RCD Tier 2 emission regulations. It suits new builds and repowers, specifically monohull sailing yachts and catamarans up to 45 ft, small motorboats and sloops, and light-duty commercial craft. The 3JH40 won the Miami 2018 Innovation Award in the inboard engine category.
Highlights
40 mhp (29.4 kW) at a rated 3000 RPM
3 in-line cylinders, 1.642 L (100 cu in)
Common-rail fuel injection
192 kg without gear
For sailboats and catamarans up to 45 ft
Miami 2018 Innovation Award, inboard category
Specifications
Brand | Yanmar |
Model | Yanmar 3JH40 |
Rated Output | 29.4 kW / 40 mhp |
Rated Speed | 3000 RPM |
Displacement | 1.642 L (100 cu in) |
Cylinders | 3 in-line |
Bore x Stroke | 88 mm x 90 mm |
Type | 4-stroke, vertical, water-cooled diesel |
Dimensions | 774 x 580 x 632 mm |
Weight | 192 kg without gear |
Emission Compliance | EU: RCD 2, BSO II, EMC |
Good to know
Installation, rigging and commissioning by a qualified marine technician are recommended; follow the manufacturer's pre-delivery and break-in procedures.