Cummins Sales and Service located in Thunder Bay provides expert service and repair by factory trained technicians on all Heavy, Medium and Light Duty Diesel and Natural Gas engines and powertrains, as well as field and shop service of Cummins Onan Power Generation equipment. Cummins also maintains a large inventory of Cummins Genuine parts and allied products. Call us in Thunder Bay, ON at (204) 632-5470 or call toll free 1-800 Cummins more... See more text