Uploaded April 2016 | Updated September 2026, 1 day ago
Gear Down Protection is an electronic feature that is programmable on Cummins ISB6.7, ISB6.7 G, ISL9, ISX12, ISX12 G and ISX15 engines. Gear Down Protection is designed to encourage drivers to shift into top gear, with either manual or automated manual transmissions to improve fuel economy. For more information, visit the feature description section of cumminsengines.com/powerspec. To set up or adjust Gear Down Protection, download PowerSpec, a free computer application, and talk to your local Cummins representative to receive free licensing rights. Additionally, PowerSpec has a built in Gear Down Protection calculator to assist with the proper settings.
Gear Down Protection is an electronic feature that is programmable on Cummins ISB6.7, ISB6.7 G, ISL9, ISX12, ISX12 G and ISX15 engines. Gear Down Protection is designed to encourage drivers to shift into top gear, with either manual or automated manual transmissions to improve fuel economy. For more information, visit the feature description section of cumminsengines.com/powerspec. To set up or adjust Gear Down Protection, download PowerSpec, a free computer application, and talk to your local Cummins representative to receive free licensing rights. Additionally, PowerSpec has a built in Gear Down Protection calculator to assist with the proper settings.










