3G710-71010 Fits Kubota Upper Rear Glass for Models M105S, M4900, M5700, M6800,One New Aftermarket Replacement Upper Rear Cab Glass (Hatch Back) Fits Kubota M Series Tractors This aftermarket replacement upper rear hatch back cab glass Fits Kubota M series cab tractors. The glass panel serves as the upper rear window of the enclosed cab and is pre drilled for a factory style installation. Compatible with both 2WD and 4WD (Dual Traction) cab equipped models. Specifications Dim A: 39. 25" Dim B: 28. 50" Dim C: 45. 50" Dim D: 28.