BS Machine Shop
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BS Machine Shop
BS Machine Shop, located in Hobe Sound, Florida, has been in business since 2001, but Stan LeMaster has been doing machine work for over 37 years. Making hard to find or obsolete parts is a specialty of BS Machine Shop, so if you've got a part that needs replacing chances are we can fabricate one for you.

Line boring and bore welding are also areas of expertise for BS Machine Shop. Whether onsite or at our shop, BS Machine Shop can handle line boring on any size yacht or piece of construction equipment. BS Machine Shop is more than just a machine shop, they are experts at rebuilding diesel engines as well and do many custom projects for yacht owners and heavy equipment operators.
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The BS in BS Machine Shop doesn't stand for what you might think it does. It stands for Bette and Stan. Bette and Stan LeMaster have owned BS Machine Shop since 2001 and they have a loyal following for their exceptional service and quality bore welding, line boring, diesel engine rebuilding and other machining needs.
BS Machine Shop is your South Florida diesel engine rebuilding experts. With over 37 years of proven experience, Stan LeMaster and BS Machine Shop are the go-to choice for some of South Florida's largest citrus growers, heavy equipment operators and yacht owners. BS Machine Shop rebuilds ALL major diesel engine brands including Cat, Cummins, Detroit, John Deere, Mack, Mans, Mercedes, Volvo Penta, Yanmar and more.
BS Machine Shop specializes in on-site line boring. Line boring, also called align boring, is a machining process that creates perfectly straight bores for automotive, marine, heavy equipment and many other applications. On-site line boring is particularly important for marine, yachting and heavy equipment machinery applications where transporting the item to a machine shop is unfeasible or too costly.
Reviews (5)
Gerald Carroll
Gerald Carroll
Jul 30, 2020
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Have had 2 engines rebuilt by Stan and his crew, very professional and very fair pricing.
Captain Bill
Captain Bill
Aug 02, 2019
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These guys wasted almost two weeks of my time. They had my metal design and were suppose to be sourcing the stainless steel. First they could not find the right thickness which is fine but they did not call me to let me know so I found out a week later when I called to check the status of the piece. About 4 days later I called again to check the status and they still had not begun because the couldn’t source the 316. This is all fine if I had received a call on their end to let me know but without that call I was waiting for nothing while another machine shop could have had it done.
Robert Fountain
Robert Fountain
Dec 07, 2017
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Hard to find good honest dependable companies with integrity, from the work to the billing dept or anything surrounding it, QUALITY best word to describe BS Machine Shop.
Stuartmotorsports
Stuartmotorsports
Sep 07, 2017
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Expert knowledge and talent. Made a part for us that no one else could!
Justin Fountain
Justin Fountain
Jul 27, 2017
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Absolutely the best all round Master Tech and Machine Shop ever started. Family establishment and Godly down to earth people. No better Place.