Cat 525D, 535D, 545D, 555D Skidder WindowsAbrasion resistant polycarbonate windows for the Cat Skidder D series. Check your dimensions with ours listed below (tallest and widest measurements). The tint we sell is a smoky color, not blue shown in pictures. Location Dimensions Front 43" x 24" Front Sides 'L or R' 52 1 2" x 10 1 4" Rear Right 42 1 2" x 26 5 8" Rear Center 42 1 2" x 20 5 8" Rear Left 42 1 " x 19 3 4" Replacements for OEM part #s: 385 9360 374 3406 374 3409 374 3410