Case Studies

It’s in the Genes at Cummins (PDF, 132 KB)
Leveraging Six Sigma methods and tools, the Indiana based diesel maker successfully completed an HR project involving a labor union.
Quality Progress, April 2007.

Six Sigma Saves Nearly $1 Billion, Key Customers, and a Company (PDF, 157 KB)
Since launching its all-encompassing Six Sigma program in 2000, Cummins Inc. has saved nearly $1 billion through the completion of nearly 5,000 improvement projects.

Cummins Six Sigma Project Results in a Smoother Ride for Dodge Ram Pickup (PDF, 299 KB)
A DMAIC project to reduce excessive vehicle vibrations for Cummins customer Daimler Chrysler resulted in a 16% reduction in vibration levels and a 100% increase in first-year sales of the Dodge Ram Mega Cab 4x4 pickup truck compared to projections.

Cummins Capitalizes on Six Sigma to Minimize Long-Term Interest Rate Risk (PDF, 328 KB)
A Green Belt project in the Cummins treasury department used the DMAIC process to optimize the company’s ratio of fixed to floating rate debt, saving $1 million annually.