Locate Your Model Number

 

Serial numbers can be found on left edge of machine casting.

51 class machines have a 3/8″ main shaft on left side

A and B models have 1/2 inch main shaft

Older machines had serial numbers on left rear of machine casting

A model Machine has no rear rocker

B Model Machine has rear rocker

NOTICE 2 DIME SIZE SCREWS ON THE RIGHT REAR OF THIS PHOTO