Twin Disc Gearboxes

Palmer Johnson specializes in Twin Disc RM gearbox applications, service and support. The Twin Disc RM series of gearboxes come in an array of sizes, ratios, and options and can be configured as speed increasing gearboxes or speed reduction gearboxes.

An authorized distributor for more than 40 years, Palmer Johnson has the technical and service experience our customers demand for new gearbox applications, repowers, repair, and parts.