Cotta Transmission Parts

Palmer Johnson is an authorized Cotta service center and distributor. Cotta is a leading manufacturer of top-quality, precision-engineered transmissions for a wide range of specialized mobile and stationary applications: Vocational trucks, defense, off-highway, aerospace, heavy industry, well-drilling, mining, marine and more.

PJ has over has 5,000+ Cotta product designs ready to order today. With our direct access to Cotta engineers, PJ can work with Cotta to design an engineered solution for you unique transmission application.

  • Cotta splitshaft pto

    Split-Shaft PTOs

  • Cotta speed reducer

    Speed Reducers & Speed Increasers

  • Cotta pump drive

    Heavy-Duty Pump Drives

  • Cotta custom

    Custom Transmissions and Gear Drives

  • Cotta transfercase

    Transfer Cases

  • Genuine OEM Parts


  • Looking for parts?

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For immediate service from real people with real answers, call 800-341-4334

We're Talking About Cotta Transmission

Info Needed for New Pump Drive


What Information is Needed for a New Pump Drive or Gearbox Application

July 5th 2023Read More
Updating a Pump Drive or Gear Box


What Information is Needed When Updating a Pump Drive or Gearbox Application

July 3rd 2023Read More
Hydaulic Pump Pads 2 versus 4 bolt mount


Hydraulic Pump Pads – 2 Bolt VS 4 Bolt Mount

June 21st 2023Read More
Pjps technicians

Cotta Transmission Service Network

Palmer Johnson's nine-location factory-authorized service center network features:

  • Field service
  • On-site troubleshooting and diagnostics
  • On-site application/installation review
  • Unit removal & installation
  • System and bearing failure analysis
  • Oil sampling and predictive maintenance
  • Specialized tooling & lifting equipment
  • 100% genuine replacement parts
  • Repairs & remans tested to original factory specs
  • 12-month warranty