Delivering maximum load capacity of 11,000 pounds, the Pettibone Extendo 1157B provides forward reach up to 42 feet, 1 inch and outstanding lift height of 57 feet. Single joystick, pilot operated controls allow for smooth control of all boom and auxiliary hydraulics. For operation in tight areas, the 1157B offers 4 wheel, 2 wheel and crab steering modes and has a turning radius of just 12 feet, 6 inches.

The 1157B is powered by a fuel-efficient, 117 horsepower Cummins QSF 3.8 Tier 4 Final turbo diesel engine, featuring electronic control and protection with SCR aftertreatment. A Parker IQAN-MD3 display provides instant engine and aftertreatment diagnostics. The machine’s fully modulated Carraro Powershift transmission offers four speeds, forward and reverse. Maximum travel speed is 20 miles per hour.

The machine's rugged design features two wide-stance, heavy-duty lift cylinders with innovative automatic fork and load leveling that eliminates the need for slave cylinders. To further improve load stability, the 1157B offers 24 degrees of frame sway (12 degrees left and right of center) and is equipped with a rear axle stabilization system.

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