2019 Diamond C PSA 12' x 83", OTHER COLORS AVAILABLE. CALL FOR CURRENT INVENTORY. 2019 Diamond C PSA 12' x 83" For your everyday hauling needs, Diamond C open flatbed trailers are equally at home hauling your golf cart to the course, your lawn mower across town, or your ATV/UTV to the hunting lease. With a versatile range of features and options to choose from, these single axle utility trailers are sure to exceed your expectations for a multipurpose trailer. PREMIUM SINGLE AXLE UTILITY TRAILER Light, nimble & user-friendly. The ultimate single axle utility trailer.