Cleveland Tramrail Motorized Gantry Crane End Truck Drive Floor Track -Bad Motor

Motorized Gantry Crane End Truck Drive.  -Motor needs replaced.
-Has a bad drive motor.  30:1 gearbox.
Fits a 2" rail width.
16" W x 12"H x 18' 10" overall length.
Fits 11-1/2" gantry leg post width.
Track wheel is 13-1/2" dia x 3-5/8" outer width.  2-1/4" inside wheel width.