Billy Goat X3 HT Caster Wheel & Tire Assembly — Genuine OEM 5107877

Genuine Billy Goat caster wheel/tire assembly for X3 HT applications — OEM part number 5107877. Replaces prior MPNs: 5107877FS, 5107076, 5107071. Confirm compatibility by checking your machine’s original equipment owner’s manual, as fitment can differ by sub-model, serial number, and/or production date. Use the parts specified for your unit to ensure proper fit and function.