Bosch Marine LLC

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Bosch Marine LLC Marine Diesel, Electrical, & Systems Specialist

This engine room is coming together nicely……Twin Cummins QSC8.3 engines aligned, bolted down, and ready to be rigged up ...
10/15/2026

This engine room is coming together nicely……Twin Cummins QSC8.3 engines aligned, bolted down, and ready to be rigged up and test run!

Mechanical survey day on this Cummins Marine powered custom aluminum Hunt 35’ sportfish jet boat!
10/08/2026

Mechanical survey day on this Cummins Marine powered custom aluminum Hunt 35’ sportfish jet boat!

Another lobster boat repower…. In just a few days time, we replaced this Plymouth lobsterman’s old failed engine with a ...
10/07/2026

Another lobster boat repower…. In just a few days time, we replaced this Plymouth lobsterman’s old failed engine with a fresh Cummins 6CTA RTO to get back up & running during peak season!

Cummins QSC8.3 500HP dropping into her new home onboard this 35 Carolina Classic sport fish!
10/02/2026

Cummins QSC8.3 500HP dropping into her new home onboard this 35 Carolina Classic sport fish!

Heavy lifting today, hoisting out the old Cummins 6CTA 8.3M engines to make room for a Twin Cummins QSC8.3 500HP Repower...
08/19/2026

Heavy lifting today, hoisting out the old Cummins 6CTA 8.3M engines to make room for a Twin Cummins QSC8.3 500HP Repower onboard this 35 Carolina Classic!

Fish Hub a Cape Cod 26 (Albin) CC just got repowered with a Nanni T4.270 after the old Yanmar 6LP 315 dropped a valve du...
08/14/2026

Fish Hub a Cape Cod 26 (Albin) CC just got repowered with a Nanni T4.270 after the old Yanmar 6LP 315 dropped a valve during peak fishing season here in Cape Cod Bay. She only suffered one week of down time, happy to be back on the water with the impressive performance of the new Nanni power plant. The T4 easily pushes this hull through the water with the original propeller at only 90% load, hitting the rev limiter at WOT. The customer also noted how quiet and smooth the engine performed compared to the old engine as well as a remarkable fuel burn…..

08/05/2026

A borescope is a great tool used to obtain information and gain access to the internals of an engine instead of expensive tear down labor cost for discovery of an issue or failure. Here we are dropping into cylinder 1 on this engine through the injector port to discover an unfortunate dropped valve catastrophe for this old diesel power plant….

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.

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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