Twin Disc / John Deere 644C and 644D / TT 3421-1 / 23040474

Since 1989, Powershift, Inc. has provided quality workmanship and service in the industrial transmission market. Powershift has maintained a quality reputation as a transmission rebuilder for Twin Disc TT 3421-1 and remanufacturer in the following markets: refuse and trash removal, education and bus, moving and truck, forklift and materials handling, construction and heavy equipment, railroad and track support, agriculture and farming, cattle and ranching, mining and earth moving, oil field and hydraulic fracturing (fracking), crane and specialized lifting. Powershift’s staff brings years of training and experience to each transmission , like the Twin Disc TT 3421-1 they service.

A wide inventory of parts and exchange transmissions are ready for shipment upon request. Powershift’s Time & Material rebuild program for the Twin Disc TT 3421-1 is a great option when an exchange transmission is not available. All exchange and Time & Material rebuilt transmissions carry a warranty on all materials and workmanship supplied by Powershift, Inc. Powershift is ready to fulfill each customer’s transmission needs from diagnostics to Removal & Re-install and from rebuilding to dyno-testing.