Parts-Mixer Gearboxes

ZF gearboxes made in Germany. Most popular gearbox used by American Mixer Manufacturers. This is a ZF Pk7500 the older version is Pk6500 or Pk5100. Parts are available to rebuild these gearboxes.

ZF gearboxes made in Germany. Most popular gearbox used by American Mixer Manufacturers. This is a ZF P7300 the older version is P5300 or P6300. Parts are available to rebuild these gearboxes.

Challenge 08 or Skk Gearbox. This is an old gearbox that was used by Challenge Cook Bros, TL Smith and Advance Mixer. It is no longer made. The Japanese Company that copied it from the American manufacturer went out of business quite a while ago. There are some cores around still that can be rebuilt.

We are always looking to buy good ZF Pk7500 Gearbox cores.

We buy the ZF P7300 Gearbox cores too.

Rex 770 Gearbox. Manufacturer is out of business. The Rex 770 Gearbox core can be rebuilt still.