Kerfgrid
Machine shop Checked Oct 8, 2026

Leonard Machine Tool Systems

Warren, MI · prototype to low volume

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About

Machines large components to customer drawings and also builds, repairs, rebuilds and retrofits heavy duty horizontal and vertical lathes, mostly for the railroad wheel industry. The site says the company has operated since 1951 from a plant in Warren, Michigan with overhead cranes and large boring mills.

Summary written by Kerfgrid from lmtsi.com.

Processes

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Materials
Carbon steel, stainless steel, aluminum, copper, brass and bronze
Industries
Rail
Volumes
Prototype to low volume
Holds
± .001 in.
On the shop floor
15 machines listed on lmtsi.com
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  • Bridgeport Vertical Mill Series 1
  • Mattison Rotary Grinder
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  • Devlieg#5k-144 Jig Mill
  • Devlieg #4k-96 Jig Mill
  • Devlieg #4h-72 Jig Mill
  • Devlieg #43k-72 Jig Mill
  • Leblond 42″ dia. Swing x 84″
  • monarch 22″ dia. Swing x 72″
  • leblond 18″ dia. Swing x 60″
  • D.E.A. bridge type co-ordinate measuring machine
  • Fosdick 6 ft. Radial Drill
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