My table saw is a 10-inch Delta Contractor's Saw. It has a 120-volt, 11/2-hp motor and a 30-inch rip fence. I've added extensions and roller supports for cutting both long and wide stock, and an under-table router mounting so I can use my router with the table saw's rip fence and miter gauge. When I saw an upgrade kit called the Contractor's Saw Performance Package (from Inline Industries; 800/533-6709) at a local tool dealer recently, I snapped it up. The literature that came with the upgrade kit said that the belt connecting the motor to the arbor was one source of problems with the saw. When the saw isn't running, and the belt is sitting still, it