Identify an old prop and 2cyl crankshaft

This topic has 20 replies, 8 voices, and was last updated 4 years, 7 months ago by Beno.

Viewing 10 posts - 1 through 10 (of 21 total)

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July 21, 2021 at 7:30 pm #243406
Beno
Participant
Im in the box of boat parts again!

Not.indentifying marks on either of these pieces. A prop and a crankshaft… anyone know?
July 21, 2021 at 7:59 pm #243416
Beno
Participant
July 21, 2021 at 8:27 pm #243421
Beno
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July 22, 2021 at 12:18 am #243428
JOHN HOLBIK
Participant
The prop looks like from a OMC 10 or 15hp.What is the pitch and diameter.
July 22, 2021 at 5:26 am #243434
billw
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US Member
I’m thinking the prop might be from a 3 hp OMC and I’m pretty sure the crank is from a 15 hp, 18 hp or 22 cubic inch 25 hp OMC. I wish I could be more specific than that; but that’s all I got…..

Long live American manufacturing!
July 22, 2021 at 9:26 am #243437
frankr
Participant
I immediately said JW-10 prop, but that ain’t right. Hub is wrong. Now I’m thinking a McCulloch/Sears.
Agreed, the crank probably is a 22 cu/in OMC.
July 22, 2021 at 10:45 am #243438
frankr
Participant
7.5hp McCulloch prop
July 22, 2021 at 11:46 am #243443
outbdnut2
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What is the inside diameter of the hole in the hub for the prop shaft? I’m thinkin’ early to mid 1950s small OMC – maybe 7-1/2 HP?
Dave
July 22, 2021 at 5:08 pm #243447
outboardnut
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Frank your amazing!
July 22, 2021 at 5:30 pm #243448
modhydro
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The crank sure looks like what I use in the 22ci pre 1976 omc engines. Is it for sale? Thanks

Steve
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