Cummins

(CUM)

, an engine maker, said Chief Financial Officer Kiran Patel will resign to take the same position at San Francisco-based iMotors, an online direct seller of certified used cars.

Patel, who is also executive vice president of the company, has been with Cummins for 26 years. He was named financial chief in 1996 and was previously in charge of the company's filter unit,

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. He has also been the president of Cummins' Brazilian operations and its

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subsidiary.

A Cummins representative said Patel will remain in his position until a successor has been named.