Ron Armstrong has been elected to the position of president of Paccar, effective January 1, 2011. Armstrong has 17 years with Paccar and his most recent responsibility was as executive vice president.

He joined the company in 1993 and has had senior management roles with Peterbilt, Paccar Financial Services and DAF Trucks. He also was Paccar’s vice president and controller.

Jim Cardillo will be retiring as Paccar president in December 2010.