| Year | Detail |
| 1919 |
The company was founded. |
| 1928 |
Introduced Model U engines. |
| 1929 |
Cummins started production of the Model K. |
| 1938 |
Cummins Employees Association forms known as the Diesel Workers Union (DWU). |
| 1956 |
Cummins opened its first international plant in Scotland. |
| 1959 |
Motores Cummins Diesel De Brasil Ltda is established. |
| 1959 |
Cummins acquired eymour Woolen Mills (later became Fleetguard Filtration). |
| 1962 |
Cummins partnered with Komatsu to enter into East Asia market. |
| 1962 |
Kirloskar Plant is established, marking Cummin's entry into India. |
| 1973 |
Cummins acquired Holset the company would later be known as Cummins Turbo Technologies. |
| 1985 |
Cummins Electronics Company Inc. was established. |
| 1986 |
Cummins acquired Newage AVK. |
| 1998 |
Cummins opened Holset plants in China and India. |
| 2001 |
Cummins Emission Solutions was established. |
| 2007 |
Cummins partnered with Beijing-based Beiqi Foton. |
| 2017 |
The distribution business headquarters opened in Indianapolis. |
| 2024 |
The Indiana Department of Transportation (INDOT) partnered with Cummins Inc. and Purdue University to install and test the first stretch of highway in the United States that can wirelessly charge electric vehicles as they drive down the road. |