Liebherr C Series Excavator Windshield: UPPER, LOWER & BOOM Offered in 1/4", 3/8" & 1/2" CLEAR POLYCARBONATE - SUPERCOAT™ BOTH SIDES. The BOOM window is too big to ship ground. If you'd like to order the BOOM window, please call to order. Currently only available in 1/4" Clear ($564.40) and 1/4" Tint ($686.84). Plus Freight costs. Includes models A309C, A311C, A312C, A314C, A316C, A900C, A904C, A914C, A924C, A934C, A944C, A954C, EP934C, EP944C, ER954C, P314C, P924C, R313, R317, R900C, R904C, R906C, R914C, R916C, R924C, R926C, R934C, R944C, R954C, R964C, R974C & R984C All Windows are flat as they were designed to be. Offered in 1/4", 3/8" & 1/2" CLEAR POLYCARBONATE - SUPERCOAT™ BOTH SIDES.   Upper Window Lead Times: ½” – up to 10 business days  ½” TINT – up to 45 business days  3/8” – up to 10 business days ¼” – up to 10 business days   Lower Window Lead Times: ½” – up to 10 business days (as of 10/28/24 = 10+ in stock. 3-7 business days to ship) 3/8” – up to 10 business days ¼” – up to 10 business days   Boom Window Lead Times (call-in order only): 1/4” – up to 1o business days 1/4” TINT – up to 45 business days 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.