John Deere & Hitachi Front Lower Excavator Glass- 4457161R February 20, 2025 adminjohn No Comments Direct aftermarket replacement for part number: 4457161R, 4457161. Front lower glass for John Deere & Hitachi Excavators. John Deere: 75C, 80C, 135C, 225CLC. Hitachi: 75ZX, 80ZX, 135ZX.