The Chevrolet Task Force was Chevrolet's successor to the Advance Design trucks. The Task Force Series ran from late 1955 (second series) through 1959. At GMC locations, it was called the Blue Chip Series.
The 1955-second series offered standard options and add-ons such as 12-volt electrical systems, the first V8 (265 cubic inches (4.34 l)), and Fleet side beds in 1958.
1955 Second Series or Step side Series: First year for new body style. New "wrap-around" windshield—a truck industry first—and optional wrap-around rear window on Deluxe cabs. Power steering and power brakes became available for the first time on GM trucks. Electrical system upgraded to 12 volts. Only year for seven-foot bed length. Fen…