The 4400 ultimate barrier machine features a new frame design for right- and left-side slipforming. Its new glide control console slides from side-to-side, for operator control and visibility of the paving operation. Other features include the company's proprietary G+ controls, the Hook-and-Go mold mounting system to quickly mount barrier molds up to 39.4 in. tall on either side, and a Cummins QSB3.3, 99-hp, Tier 3 engine. Gomaco Corp. 800-831-2320.