Link-Belt Excavator Windshield X4 series: UPPER and LOWER Replaces Link-Belt Excavator Windshield Glass (Upper) #KHN25620 - (Lower) #KHN25610. The Upper is flat and the Lower is curved just like the original glass. Models: 130 x4, 145 x4, 160 x4, 210 x4, 210 x4 LF, 245 x4, 250 x4 ,250 x4 LF, 300 x4, 350 x4, 350 x4 LF, 490 x4, 750 x4 Our lead times below are based on our production schedule and the demand. We may have these in stock. You can text or call 765-913-8121 with questions. We are sorry for the inconvenience, but we want to give you the most accurate information. Due to material shortage and a huge decrease of interest in thinner gauges - the 3/8" and 1/4" windows are made-to-order for the time being - unless the window is in-stock. We are sorry for the inconvenience, please give us a call with questions! Upper Window Lead Times: ½” – up to 10 business days ½” TINT – up to 25 business days 3/8” – up to 45 business days ¼” – up to 45 business days   Lower Window Lead Times: ¼” – up to 25 business days 3/8” – up to 45 business days 1/2” – up to 45 business days Please call our office for more information! (765) 342-2300, text us at (765) 913-8121. To buy both upper and lower windows, add one window to your cart then add the second as a separate purchase. Not sure what thickness to get? Click here for info.