The 53,500-lb. 1021F and 60,800-lb. 1121F are specifically engineered for quarry, aggregate and truck-loading applications. The 1021F features a 296-hp engine, 5.5-cu.-yd. bucket and dump height of 121 in. The 1121F is rated at 320 hp, has a 6.25-cu.-yd. bucket and dump height of 126 in. A hydro-mechanical transmission package provides additional fuel savings, faster acceleration and faster hydraulic cycle times. Standard Z-bar or extended-reach (XR) configurations are available. Features include joystick steering, selectable power modes and a rearview camera.