OTTO Excavator Parts Zx330 6Hk1 Generator Adjusting Arm Nut Pad 8942173630 894217-3630 8-94217363-0 For Isuzu A precision-engineered auxiliary component critical to heavy machinery performance, this OTTO Generator Adjusting Arm Nut Pad is exclusively designed to fit Isuzu 6HK1 engines and seamlessly integrate with Hitachi ZX330 excavators—trusted workhorses in construction, mining, quarrying, and large-scale infrastructure projects. Featuring three interchangeable part numbers—8942173630, 894217-3630, and 8-94217363-0—it adheres to strict Isuzu OEM specifications and industrial quality standards, ensuring optimal compatibility, structural stability, and long-lasting reliability in demanding operating conditions.