FOR SALE VETUS M3 Marine Diesel Engine 3 Cylinder. it is prized for its exceptional fuel efficiency and quiet, vibration-free operation.
This is a Vetus M3 based on Mitsubishi / approx. rated 21 HP with 2:1 transmission Marine/Industrial 2 Hrs since NEW unit is a Like new RTO in excellent used conditions, has been serviced as well, has good/excellent compression as well, this is a Marine Heat exchange cooled system with transmission ZF Hurth 2:1 included, the engine was removed for re-powering purposes, came out of a Sailboat used in Marine applications, engine has the Hurth/ZF transmission.
The VETUS M3 series (most notably the M3.29) is a compact, highly reliable 3-cylinder, 21 HP marine diesel inboard engine. Designed specifically for sailboats, canal boats, and small motor cruisers.
Key Specifications
- Horsepower: 21 HP (20.0 kW) at 3000 RPM
- Displacement: 952 cm³ (3 cylinders)
- Cooling System: Dual-circuit (freshwater cooling with a heat exchanger)
- Alternator: 12 Volt – 75 Amps
- Weight: 134 kg (excluding gearbox/saildrive)
- Fuel Approval: Approved for use with HVO (Hydrotreated Vegetable Oil)













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