Pedestal arrangement for motor graders

A pedestal control console comprising two opposed upright base plates, said opposed base plates having two spaced pivot shafts extending thereacross, one of said pivot shafts pivotally securing a panel member which forms one component of a trapezoidal linkage with the other pivot shaft pivotally securing a back upright support which also forms part of said trapezoidal linkage, said panel member and said back upright support each being pivotally connected at a raised position to a steering head located generally atop said trapezoidal linkage, said steering head including control levers positioned either side thereof and pivotal about a common shaft, each control lever when actuated in either a fore or aft direction driving a first connecting rod, each first connecting rod being connected to a bell crank pivotally secured to said other pivot shaft and located between said opposed base plates, said back upright support being centrally disposed on said other pivot shaft with said bell crank being located to either side of said back upright support, each bell crank being connected to a second connecting rod associated with a valve of a hydraulic control valve block, said first connecting rods being bent to form a transition from a wide spacing thereof adjacent the steering head to a narrow spacing between said base plates, and wherein said console includes an adjustable locking link extending between members of said trapezoidal linkage to lock said trapezoidal linkage when said adjustable link is fixed and to allow said trapezoidal linkage to move various position between a fully upright position and a fully reclined position to accommodate different preferences of different operators When said adjustable locking link is free to adjust.