disposed inwardly of the pedals 16 18 and 20 the lower portion of each panel is defined as follows each panel has a rearmost edge 30 which extends rearwardly and upwardly from a horizontal bottom edge 32 which is spaced just a short distance above floor level a forwardmost edge 34 extends forwardly and upwardly from the bottom edge 32 to a shoulder 36 running rearwardly the upper portion of the panel is defined by a forward edge 38 running upwardly from the shoulder 36 and curving over the forward end of the dash and terminating at a geometrically fore and aft line of the tractor 10 lying in a vertical plane through the center of the steering wheel 12 an uppermost edge 40 follows this line rearwardly to the top of an instrument panel 42 and an upper edge 44 extends downwardly and rearwardly aligned initially with the instrument panel 42 to join the rearmost edge 30 at a level spaced somewhat below the steering wheel 12 the edges 36 and 38 are those of recessed portions 46 48 which provide a seat for the rear portion of a hood 50 for an engine not shown the manner of mounting the panels 26 28 will now be described each panel is provided on its inner face at its upper forward portion as best seen in fig4 and 5 with an upper hinge ball 52 close to the uppermost edge 40 and a lower hinge ball 54 the hinge balls lying on a geometrical line 55 or hinge axis included at 19 5 degrees to the horizontal the upper hinge ball 52 lies somewhat rearwardly of.