Funk 9300

Caterpillar Challenger Transmission - Funk 9300

Cat Challenger CH55 Tractor Transmission. This complete transmission suits a CH35, CH45 or CH55 series Caterpillar Challenger Tractor. The transmission model is 9300EC.

Contact Us

Please be as specific as possible by including how we can assist along with any relevant information such as spec number, BOM number, or serial number.

CAT Part #: 0R7433 0R7432
Funk Part #: YZ15580B YZ15479B

Palmer Johnson Power Systems is an authorized Funk service center and has rebuilt hundreds of Funk 9300 transmissions, using 100% genuine parts and employing factory-trained technicians.

Funk Logo

Authorized Distributor

Palmer Johnson is an authorized distributor and service provider for Funk products.

Genuine Parts

Thousands of parts ready to ship in as little as two hours from our store at

Service and Support

Seven master rebuild centers, ten full-service centers, and an extensive dealer network to serve you.