… probably the dies and cutter were dull; and the operator was trying to force tooo much meat thought the grinder. Thus overloaded & overheated motor.
The Wesson 1.5 hp #32 is available on their website (about $750-$800).
An electrical motor repair shop can fix/rewind the motor of the old unit. Don’t throw it out, send a PM with model number. I might be interested in paying shipping to receive it it you are trashing it.