Small diesel manufacturers

hdra

Anarchist
653
145
Yanmar, or any of the Kubota marinizers. I think Beta may have the best distributor/service network in the US of the various folks who marinize kubotas, but I'm sure others are more knowledgable.
 

ryley

Super Anarchist
5,516
666
Boston, MA
10 hp is going to be more than enough for a 25' sailboat. I've got a 1gm10 that pushes my 32' sailboat at a consistent 6.5 knots.

you can find used and reman 1gm10's for between $2500 and $4500. it's a pretty reliable engine.
 
Riley- The boat is fat and heavy, with lots of wetted surface. It’s a tired 1GM that we want to replace.
Who are other Kubota marinizers?
Anybody know about Koehler/Lombardini?
 
Vetus, Nanni, Beta, Yanmar Volvo are the big ones. We repowered with Beta, probably the most thoughtful marinization package of the group and they really specialize in this market, second would be Yanmar, for out of the box done. You could Try Freeport Diesel in Maine for local recommendations. It's a bunch of Maine Maritime grads who sailed commercial or still do, most worked for me at one time, very good guys.
 

Son of Hans

Member
163
85
San Diego
Also know that not all of these small diesels are emissions-legal in all states. I don't know what the status is in MA, but in the state of denial (CA) it would not be legal to repower with a 1GM10. Don't know about Beta, etc.
 

Zonker

Super Anarchist
9,708
5,664
Canada
I'd say Beta. Our sailing co-op Catalina 30 (10,000 lbs) has a Beta 14 (~13.5 HP). It's sufficient and 2 cylinders. Nice marinization.

Maybe skip Nanni (poor dealer network in US) and Lombardini (same)

An old Yanmar 1GM10 might be developing a bit less than 9 HP if it's been ages since the injector was cleaned, exhaust elbow partly clogged etc.
 

harrygee

Member
386
119
Tasmania
Another vote for Kubota conversions.

Parts (in Aus, anyway) are readily available and cheap compared with Yanmar, which would be my other top pick.

Avoid the Italian hand grenades, though that may be a bit unfair; it's based on experiences with old stuff.
 

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