Bosch Marine LLC

Bosch Marine LLC Marine Diesel, Electrical, & Systems Specialist

Spring launch & seatrial today on this 31 Bertram Flybridge cruiser after a winter twin Nanni T4.270 repower / diesel co...
05/08/2026

Spring launch & seatrial today on this 31 Bertram Flybridge cruiser after a winter twin Nanni T4.270 repower / diesel conversion. She cruised at 26 knots burning just under 10 gallons an hour per side and hit 31 knots at WOT burning 14 you per engine. This is added speed and half the fuel burn compared to the tired old 454 gas engines that once powered this beauty!

Zf 85a marine transmission reclutch / reseal overhauls in the shop on this rainy day.
04/30/2026

Zf 85a marine transmission reclutch / reseal overhauls in the shop on this rainy day.

Cummins 6BTA overhaul at the shop…….
04/02/2026

Cummins 6BTA overhaul at the shop…….

Sporty seatrial today onboard this 27’ Tides preforming a mechanical survey / pre-purchase inspection of the Yanmar mari...
04/01/2026

Sporty seatrial today onboard this 27’ Tides preforming a mechanical survey / pre-purchase inspection of the Yanmar marine engine & ZF marine gear.

Repowered 35 TJ “Topspin” out of Nantucket, MA splashed and sea trialed today with her new Cummins QSL9 450 marine engin...
03/26/2026

Repowered 35 TJ “Topspin” out of Nantucket, MA splashed and sea trialed today with her new Cummins QSL9 450 marine engine and ZF 305-3A marine gear…..Spring is officially here! Cruise-19 Knots @ 1850 RPM & WOT-21.5 Knots @ 2150 RPM

Twin Nanni T4.270 Repower / Diesel Conversion completed onboard this 31 Bertram Flybridge Cruiser! Spring can’t come soo...
02/13/2026

Twin Nanni T4.270 Repower / Diesel Conversion completed onboard this 31 Bertram Flybridge Cruiser! Spring can’t come soon enough!

Cummins QSL9 450 Repower completed onboard this 35 TJ charter boat! Tight lines fellas….On to the next one!
02/11/2026

Cummins QSL9 450 Repower completed onboard this 35 TJ charter boat! Tight lines fellas….On to the next one!

Twin Nanni T4.270’s getting set on new engine beds!
02/04/2026

Twin Nanni T4.270’s getting set on new engine beds!

02/04/2026

CAT C18 getting its 1000Hr Service & Annual Routine Winter Maintenance!

Another 31 Bertram arrived today for a twin Nanni repower / diesel conversion!
01/06/2026

Another 31 Bertram arrived today for a twin Nanni repower / diesel conversion!

Address

114 Long Pond Road Unit #10
Plymouth, MA
02360

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 8am - 12pm

Telephone

+16175387645

Website

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