Bobcat Excavator: Windshield E Series Replaces Bobcat Glass: #7209964 (M Series) or 7250149 (R Series)- Upper  & #7179045  (M Series) or 7250150 (R Series)- Lower Includes models E25, E35, E42, E45, E50 & E55. This Excavator has two series - please provide us with glass number or serial number to confirm what you need. Offered in 1/4", 3/8" & 1/2" CLEAR POLYCARBONATE - SUPERCOAT™ BOTH SIDES. Lead times, install videos & more in description!