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


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We're Talking About Cotta Transmission

Replacing a Transfer Case


Information Needed When Replacing a Transfer Case

May 24th 2023Read More
Identify Cotta Transmission


How to Identify your Cotta Unit

November 29th 2022Read More
SAE Flywheel Housing thumbnail


Industrial SAE Housing & Flywheel Specifications

September 7th 2021Read 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