Task Force is the GM truck series after AD (Advance Design) that started mid-1955 ("second series") to 1959. They were released along with the first gen smallblock v8, most had the venerable stovebolt inline 6. They also had a the upgraded modern Hotchkiss rear drive with drive shaft instead of torque tube, but still had front straight axle with leaf springs. (In 1960, front suspension was independent sprung with torsion bars)

Check out the gallery pages at this site for 55 2nd Series through 1959, you will see the type. Only big differences during this series (let's scope out the Cameos) are grills and hoods, then in 1958 the fenders were changed for quad lights mandated by new Federal saftey laws.

During this series the "Fleetside" bed type was introduced (later copied by other OEMs) that evolved into the modern bed-type.

Last edited by cletis; 02/09/2011 3:45 AM. Reason: Advance Design

R-Bo

1959 Apache 1/2 ton Big Window, Short bed Fleetside (under reconstruction)
1966 GMC 305V6 in the family