Complete MK4-spec gearbox assembly for all Ultra Winch PDX models — choose from 9500lb or 12000lb gearing depending on your setup. Built for strength, easy maintenance, and smooth engagement under load. This drop-in replacement fits PDX MK1 through MK4 and installs using just 2x 6mm hex bolts. The clutch collar rotates with 4x 4mm bolts, allowing easy alignment for feet-forward, upright, or custom winch mount positions — no full teardown needed. Pre-packed with molybdenum-based grease for long-life lubrication and smooth operation under high torque. Suits PDX MK1, MK2, MK3, MK4 Select 9500 (faster line speed) or 12000 (higher torque) Hardened gearset and sealed housing Clutch handle rotation system for quick orientation Direct bolt-on fitment – no gearbox shimming or alignment hassle Pre-greased with high-performance moly grease Precision engineered. Field proven. Easy to fit.Genuine Ultra Winch part – MK4 toughness, made to last.
