The 440 and 450 center-pivot Caterpillar backhoe loaders have maximum digging depths of 15 feet 6 inches and 17 feet, respectively.
Powered by the Cat C4.4 ACERT engine that uses SCR technology, the backhoe loaders offer 109 and 128 horsepower, respectively. Autoshift transmission has a sixth gear and optional lock up torque converter.
