Marshall's Marine

| 16 York St | Skowhegan, Maine 04976 | Ph. 207-474-0794
Currently running pre-season specials on most common marine engines!

Marshall's Machine Shop

We are a 14 man production engine shop and we build and ship marine engines nationwide.  Our mission is to supply the marine world with a high quality "affordable" re-manufactured long block marine engine.  All of our marine engines carry a 2 year unlimited written warranty.

Since our inception in 1989, we have been supplying re-manufactured marine engines to professionals as well as do it yourself-ers (DIYs)

Prices on Common Applications

5.0 and 5.7 merc, omc, crusader, (gm based) with 12 bolt intake
8 bolt intake vortek
4.3 liter
454 big block (starting price)

We stock or can build virtually every make and model of marine engine!  Call 207-474-0794 or send a text to 207-313-0116 for a quote on an application.

Need a price quote on your application?

  1. Call: 207-474-0794
  2. 24/7 text for quote only: 207-313-0116

You will receive an immediate response!


We rebuild all types of Marine& Automotive Engines, with a full stock of in house parts we are ready to help you rebuild your engine.

>>Learn More


Meet the crew that will be working on your engine.  See them at work.

>>Meet the Staff


See the tools that we use to on your engines.

>>See the Tools