Sweetgrass Diesel

Sweetgrass Diesel Don't settle for less. Hire Sweetgrass Diesel for all of your diesel service and repair needs!

We work on all makes, models, and sizes of marine and industrial Diesel engines including Volvo Penta, Cummins, CAT, Yanmar, Northern Lights, Westerbeke/Universal, Perkins, Kubota, and more.

Prepurchase Mechanical Inspection on an w/ IPS600 and Onan 11kw Genset with the dream team
04/30/2026

Prepurchase Mechanical Inspection on an w/ IPS600 and Onan 11kw Genset with the dream team

Mechanical Survey Report on this beautiful 2025 43 powered by 6.7 QSB W/ ZF gears and Genset.
04/29/2026

Mechanical Survey Report on this beautiful 2025 43 powered by 6.7 QSB W/ ZF gears and Genset.

Mechanical Survey of a 2016 38 powered by 6.7 QSB w/ ZF gear and an generator.
04/23/2026

Mechanical Survey of a 2016 38 powered by 6.7 QSB w/ ZF gear and an generator.

63’ Marquis “Dress Casual” on the hard for routine maintenance and inspections following an underwater impact. ...
04/22/2026

63’ Marquis “Dress Casual” on the hard for routine maintenance and inspections following an underwater impact.

Team members Riley and Korey completed annual services on twin D9 engines w/ .global 286 gears and an Onan 11kw genera...
03/04/2026

Team members Riley and Korey completed annual services on twin D9 engines w/ .global 286 gears and an Onan 11kw generator aboard this well traveled 52 . This vessel is gearing up for her next big trip.

Team members Riley and Korey completed annual services on twin 6.7 QSB engines about this sweet 54’ today at a private...
02/27/2026

Team members Riley and Korey completed annual services on twin 6.7 QSB engines about this sweet 54’ today at a private residence to get it ready to head South. If you are gearing up for spring yachting give the professionals at Sweetgrass Diesel a call.

The team completed Volvo Penta at Sea IPS20 replacements this week on a Prestige Yachts Prestige 630 after repeated impa...
02/18/2026

The team completed Volvo Penta at Sea IPS20 replacements this week on a Prestige Yachts Prestige 630 after repeated impacts anSweetgrass DieselnRoss MarineoCarolina Marine Groupeam you can trust.

Team member Riley installing a new Onan generator to replace the previous Onan unit with 14,000 hours on it and still r...
02/12/2026

Team member Riley installing a new Onan generator to replace the previous Onan unit with 14,000 hours on it and still running!

Mechanical Survey Inspection on twin D11-670’s with ZF 305 gears and an Onan generator aboard this exquisite 2018 M54...
01/30/2026

Mechanical Survey Inspection on twin D11-670’s with ZF 305 gears and an Onan generator aboard this exquisite 2018 M54 at . This is how an engine room should look!

Before and after results replacing Universal Joints on the IPS 900 drivelines on 92’ “Helios” with our friend Captain D...
01/09/2026

Before and after results replacing Universal Joints on the IPS 900 drivelines on 92’ “Helios” with our friend Captain Dave from . After a full cooler job, turbocharger overhauls, new batteries, and universal joint replacement the owner said the boat has never run better! Next Stop the Keys!

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Charleston, SC

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