Exchange Units

Palmer Johnson stocks a broad range of fully remanufactured exchange units to keep your equipment up & running. 

Units are remanufactured with only 100% genuine OEM parts
Exchange units are backed with a 12-month warranty
Units are rigorously tested to OEM standards to ensure trouble-free operation
All wear parts are replaced
Unit removal & reinstallation available

Please call 1.800.341.4334 or email for exchange unit inquiries.

Twin Disc Commercial Marine Gears
MG Series
MGX Series

Twin Disc Torque Converters
Crane Converters

Twin Disc Fracturing Rig Transmissions
8500 Series
6500 Series


ZF Off-Highway Tranmissions
WG Series
ErgoPower Series

ZF Axles

Funk Transmissions
9300 Series

  • Twin Disc
  • Funk Manufacturing
  • ZF Off-Highway
  • Spicer
  • Carraro
  • Kessler Axles
  • Eaton Airflex
  • Wichita Clutch
  • Durst
  • AxleTech International
  • Murphy
  • Rexroth Bosch Group
  • Cotta Transmission Company
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