The present invention relates to a string trimmer having a pivotable carriage bearing a trimmer portion. The string trimmer typically includes a handle bar support, at least two wheels attached to the handle bar support, and an engine attached to a pivot bar support. The string trimmer typically includes a trimmer portion, which has a rotatable trimmer head and cutting line attached to the rotatable trimmer head. The trimmer portion is capable of rotating between a mowing position, a trimming position and an edging position. The string trimmer also typically includes a rotatable handle bar that has a first handle-bar portion and a second handle-bar portion. The rotatable handle bar is in communication with the trimmer portion.