Service Tools

Technical Support Hotline: 1-800-CUMMINS

Web Cumpas

Order part and accessories on Web CUMPAS.

Full Service Certified? Get InPower Onan Access

Contact your distributor for more information

Quick Start Guides

Quick Start guides are available for all Connect Series Generator sets and transfer switches and can be found at

InPower Onan

Mechanical Service Tools

Refer to the generator set service manual or transfer switch owner manual located on for required mechanical tools.