Cat M312

M318 MH and M320 MH Hydraulic Cab RiserHydraulic cab riser designprovides the most suitable solutionwhen high flexibility in cab heightis needed. The lift arms on the hydrauliccab riser are box-section designed forgreater cab stability. Two heavy-dutyhydraulic cylinders provide quick andcontrolled up and down travel.With the cab in topmost position,the cylinders are retracted to ensureexcellent stability. In the event of ahydraulic malfunction, the cab can belowered using either a lever insidethe cab or one on the frame at groundlevel. The linkage is a parallelogramdesign, which keeps the cab level inall positions.Hydraulic cab riser in the top positionraises the cab by 2.0 meters.This provides optimal viewing toall sides in different applicationssuch as scrap handling, log handling,and various load/unload tasks.The cab’s position is infinitely variable.Hydraulic cab riser in medium positionplaces the cab forward by 0.5 metersmore than in the travel position,for increased visibility.Hydraulic cab riser in bottom positionis used for shipping and travel position.When equipped with a VA boom orone-piece-boom, this is the only positionallowed for travelling on public roads.5