Cotta Transmission Speed Reducers & Speed Increasers

Cotta speed reducers match engine speed to driven equipment speed allowing both the engine and load to operate at peak efficiency. These compact and heavy duty gearboxes are designed for use with the commercial offerings of major engine manufacturers.

Cotta engine mounted speed reducers are available with SAE flyweeel housings from #5 to #00, ratios to 8, and horsepower capacity to 2200. Above 2200 HP, remote mount models are generally used.

Cotta AR2053A Speed Reducers
Cotta AR2053E Speed Reducers
Cotta GR15A Speed Reducers
Cotta GR15E Speed Reducers
Cotta GR1600A Speed Reducers
Cotta GR1600E Speed Reducers
Cotta GR16A Speed Reducers
Cotta GR16E Speed Reducers
Cotta GR3200A Speed Reducers
Cotta GR3200E Speed Reducers
Cotta SR2A Speed Reducers
Cotta SR2E Speed Reducers
Cotta SR3A Speed Reducers
Cotta SR3E Speed Reducers
Cotta SR700A Speed Reducers
Cotta SR700E Speed Reducers

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Cotta Transmission Service Network

For Cotta Transmission service, call 800-341-4334

Learn more

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
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