Boring two cylinder John Deere block with our Rottler boring bar.

Machinist miking a two cylinder John Deere piston prior to boring to ensure proper clearance.

Valve seat after three angle valve job has been performed.

Cutting a three angle valve seat with our Serdi valve seater.

This job is part of the U.S. Army Patton Museum's restoration of an SdKfz 251/9 German halftrack at Fort Knox, KY.

Align boring poured babbit main bearings in a Maybach HL 42 six cylinder German halftack engine.