Website Last Updated November 30, 2017  

Willis Machinery & Tools Co.

Willis Mammoth SHA & SHG Series Lathes

Conventional / Manual Geared Head Lathes

Heavy Duty Big Bore Lathes



Willis Mammoth SHA & SHG Series Lathes
Conventional Big Bore Lathe


  • 30HP spindle motor
  • Universal gearbox with forced lubrication and safety clutch
  • 6” (153mm) spindle bore, A2-11 spindle nose
  • 70 standard inch and 62 standard metric threads
  • 12 speed
  • Massive tailstock body ensures stability under heavy loads
  • Hardened and ground alloy steel gears and shafts in the headstock
  • Low volt control
  • Single piece bed casting resting entirely on the floor with hardened and ground ways to at least 450 Brinell
  • 2 speed hardened and ground tailstock quill is convenient for fast positioning or drilling
  • 3 hardened and ground bed ways.  2 ways are located on the top of the bed and support the carriage, while the 3rd bed way is located on the front lower part of the bed and supports the apron, which reduces any cantilever effect.  Also provides additional support when turning large O.D. parts.
  • 4 ways power feed (carriage, crosslide)
  • Traveling rear splashguard
  • Hardened and ground cross slide ways
  • Thread chasing dial
  • Automatic lubrication for the ways and lead screws
  • Coolant system
  • 4 way tool post
  • Halogen work light
  • 4-way rapid traverse (carriage, crosslide)
  • Toolbox and tools
  • (1) Steady rest (70 – 430mm capacity)


Willis SHA & SHG Lathe Specifications