Frontline Industries "Big Boy" Stainless Flexible Shaft Couplings - $200 (Englewood, FL)

Frontline Industries "Big Boy" Stainless Flexible Shaft Couplings 1

Frontline Industries "Big Boy" Stainless Flexible Shaft Couplings 1 thumbnail

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condition: fair

make / manufacturer: Frontline Industries

model name / number: Big Boy

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These used to couple hydraulic motors to 1-1/8" keyed prop shafts. They're close to 30 years age-wise. Scratches, dents, at least 3 of the bushings are asking to get replaced, but both of the couplings work great.

Pulled off a catamaran; that sailboat was a slip queen, these were used only for a couple of months, the rest of the time they just sat without use. The company (Frontline Industries) is still in business — should be no issue getting parts to maintain or refurbish these bad boys.

I've cleaned them the best I could, but there's still some grease here and there (they have to be lubricated with grease before use).

post id: 7898366703

posted: 2025-11-25 19:40

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Frontline Industries "Big Boy" Stainless Flexible Shaft Couplings -...

These used to couple hydraulic motors to 1-1/8" keyed prop shafts. They're close to 30 years age-wise. Scratches, dents, at least 3 of the bushings are asking to get replaced, but both of the...