Operator comfort, improved durability and easier maintenance head the list of new features on Caterpillar’s extensively redesigned M318F and M320F Wheeled Excavators. The machines also have lower operating costs coupled with improved operator safety features, according to Caterpillar. But they retain the best features of predecessor models, including the Cat Smartboom, ride control, load-sensing hydraulics, dedicated swing pump, hydraulically driven cooling fan, large working envelope and configuration/work