Marine Diesel Inc.

Marine Diesel Inc. MAN, Cummins, Yanmar, Scania, Onan, Northern Lights, ZF, Twin Disc & Smart Gyro Full Dealer. CAT MSP Marine Parts Provider (MPP) for CAT Marine.

Marine Diesel Inc.- MDI is based in Charleston, SC and provides quality local, national, and global marine diesel engine repair and services. Authorized Marine Dealer for Cummins, Scania, ZF, Northern Lights & Onan Generators. Owner Tony Godwin, is known worldwide for both his professionalism and expertise.





• Licensed and insured
• Certified in laser propeller shaft alignment
• Repairs to Ca

terpillar, Cummins, MTU and Detroit Diesel marine engines
• Twin Disc and ZF transmissions. • Onan & Northern Lights generators
• Engine Surveys
• Competitive Rates
• Written Estimates

We appreciate team putting their trust in us to get them ready for this years season. MDI team completed 3000 hour serv...
02/28/2026

We appreciate team putting their trust in us to get them ready for this years season. MDI team completed 3000 hour services & sea trial today up in Georgetown, SC. This beautiful 62' Viking is powered with C32 Acerts rated 1900hp@2300rpm with 3150A gears and (2) 23kw generators.

global


Marine Diesel Inc - MDI
3575 Meeting Street Road
N. Charleston, SC 29405

Parts, Sales & Service 🔧
(843) 377-1914
https://marinedieselinc.com

1000-Hour services completed on PALMETTO GUARD. 58' B&B powered with 3406E engines & MG-5114SC gears.In addition, t...
01/17/2026

1000-Hour services completed on PALMETTO GUARD. 58' B&B powered with 3406E engines & MG-5114SC gears.

In addition, the MDI team performed laser shaft alignments with machining of the front engine supports.

Up next will be installation of a new 9kw generator.

Stay tuned!




Marine Diesel Inc - MDI
3575 Meeting Street Rd.
N. Charleston, SC 29405
843-377-1914
https://marinedieselinc.com

Trip down the coast this week to perform engine surveys on the DECOY. No introduction needed on this rig folks. Original...
01/08/2026

Trip down the coast this week to perform engine surveys on the DECOY. No introduction needed on this rig folks. Originally built as the QUALIFIER, formerly SEAFIX and GRANDSLAM. She's powered with 3412 7BL mechanical engines mgx-5135a gears with EC300 controls and generator.




Marine Diesel Inc - MDI
3575 Meeting Street Rd
N. Charleston, SC

Parts, Engine/Transmission Sales & Service 🔧
843-377-1914
https://marinedieselinc.com

Engine surveys on C32 Heui's with 2060A gears and C2.2 & C1.5 generators. Aboard 75' Neptunus FAMILY TRADITION. m...
12/19/2025

Engine surveys on C32 Heui's with 2060A gears and C2.2 & C1.5 generators. Aboard 75' Neptunus FAMILY TRADITION.

marine

Parts, Sales & Service 🔧
843-377-1914
https://marinedieselinc.com

12/09/2025

No music folks, just the sound of these C32 Heui's. Break-In sea trial of the port engine post major overhaul.




Marine Diesel Inc. - MDI
Parts, Sales & Service 🔧
843-377-1914


3000-Hour service and other repairs completed on 3116's rated 350hp@2800rpm. 34ft Sunny Briggs. GROWIN PAINS.Parts, Sa...
11/07/2025

3000-Hour service and other repairs completed on 3116's rated 350hp@2800rpm. 34ft Sunny Briggs. GROWIN PAINS.

Parts, Sales & Service 🔧
843-377-1914
www.marinedieselinc.com

1000-hour services completed on C18's, C2.2 genset, and gears.Aboard the 59' Spencer LIAHO. We appreciate the crew b...
10/31/2025

1000-hour services completed on C18's, C2.2 genset, and gears.
Aboard the 59' Spencer LIAHO.
We appreciate the crew bringing her to Charleston for the MDI team to perform the service.


marine

Marine Diesel Inc - MDI
Parts, Sales & Service 🔧
843-377-1914
www.marinedieselinc.com

Sea trial after completion of 1000/4000 -Hour services on a pair of 3116 350hp mechanical engines & ZF 220A gears. Abo...
10/27/2025

Sea trial after completion of 1000/4000 -Hour services on a pair of 3116 350hp mechanical engines & ZF 220A gears. Aboard 34Ft Gamefisherman ENTICER

marine



Parts, Sales & Service 🔧
843-377-1914
www.marinedieselinc.com

MDI team wrapped up 1000-hour / routine cooler services on a pair of Yanmar 6LY2A' & ZF 280A gears. Aboard 40ft Legacy E...
10/27/2025

MDI team wrapped up 1000-hour / routine cooler services on a pair of Yanmar 6LY2A' & ZF 280A gears. Aboard 40ft Legacy Express TODDY.


marine

Whether your vessel is in need of routine maintenance, minor to major repairs, or repower. Our team has you covered.

Marine Diesel Inc - MDI
3575 Meeting Street Rd.
Charleston, SC 29405

Parts, Sales & Service 🔧
843-377-1914
www.marinedieselinc.com

C7 cylinder head install on 45' We would like to thank the crew for their help with the lift.Marine Diesel Inc - MD...
10/16/2025

C7 cylinder head install on 45' We would like to thank the crew for their help with the lift.

Marine Diesel Inc - MDI
Parts, Sales & Service 🔧
(843) 377-19+4

Address

3575 Meeting Street Road
Charleston, SC
29405

Opening Hours

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

Telephone

+18433771914

Website

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