81.62640.6058 Manual Window Regulator Lifter for SHACMAN Trucks Not every fleet wants a motor on the door. This manual window regulator is the hand-crank version for SHACMAN F3000 and X3000 cabs, and it uses the same mounting holes and the same part number 81.62640.6058 as the powered unit. The crank shaft and the lifting arm are both steel, and the sector gear is case hardened so the teeth do not round off over time. For long-haul trucks working in dusty areas, a manual
