I did this on our B2601 Kubota but it would work on almost any machine that does not have a level indicator.
Just took 5 ft of 1/2 inch PVC, short 3/8 inch eye bolt, 2 nuts, 2 big washers (B2601 had big holes on each side already), a screw hose clamp, elbow and 2 caps. Use level and mark with...