Features:
- Aluminium alloy composes the housing, flanges, feet upto size 90 and cast iron is used for the sizes 110 and above
- Steel is used for the worm shaft and the case is hardened to 58-60 HRC and profile ground
- The worm wheel is composed of G20 cast iron hub upon which a casting of AB1 bronze rim is fitted
- Synthetic oil grade: ISO VG 320