BIG NEWS: CORLISS DIESEL IS NOW AN AUTHORIZED NORTHERN LIGHTS DEALER
Factory Sales & Service Available

Marine Diesel Engine & Generator Specialists

At Corliss Diesel, we provide expert sales, service, and repair for marine diesel engines and generators. Conveniently located at Newport Shipyard, we serve boat owners who demand reliability, performance, and peace of mind.

Factory-Authorized Expertise with Experienced Leadership:
Led by Capt. Philip Allen, ABYC Certified Master Mechanic, with extensive hands-on experience in marine systems and specializing in generator service from 8kW to 100kW+

We represent industry-leading manufacturers:

  • Northern Lights marine generators (Authorized Sales & Service)

  • Nanni Marine propulsion systems (Certified Dealer)

  • Rehlko / Kohler marine generators – Diesel Only (Sales & Service)

  • Universal Diesel Marine engines

Full-Service Marine Power Solutions

  • Routine maintenance & preventative care

  • Advanced diagnostics & troubleshooting

  • Engine and generator repairs & overhauls

  • Pre-purchase mechanical and engine surveys

Why Choose Corliss Diesel

We combine factory-authorized service with real-world expertise to keep your vessel operating at peak performance—so you can spend more time on the water and less time worrying about your equipment.

📍 Newport Shipyard
📞 401-560-4107
🌐 CorlissDiesel.com

We keep your boat running smoothly and safely so you can enjoy every moment on the water.

Photo of Corliss Diesel
With a Kohler 60kw generator end
preparing to rig aboard a 100' sailing yacht.