vintage belt sander, great shape.  this is the extra large size of  porter cable locomotive sander.  it weighs 27 pounds and uses a 4 x 27 sanding belt.  made in usa circa 1960. has both porter cable and rockwell names on id plate. cast aluminum body no cracks or welds. original cord in great shape , switch great, mechanism for tracking and tensioning sanding belt works as designed. this model runs with an oil bath i have not checked status of oil, a good thing to check berfore using. original dust bag and mechanism for holding in place included. examine photos ask questions, what you see is what you get no returns.