Komatsu 911.3 and 911.4 WindowsPolycarbonate windows for Komatsu 911. 3 and 911. 4 harvester. 1 2" thick abrasion resistant polycarbonate. Available in tint and clear. Check measurements to make sure you are ordering the correct window. The measurements above are the major dimensions, (widest and tallest points only). Location Dimension Front 54 3 4" x 42 1 2" Skylight 22 5 8" x 39" If the window you are looking for says unavailable follow the instructions below: Select the window