Composition of steering box

1. Shell: Made of high rigidity FC-25 cast iron;

2. Gear: Made of high-quality high-purity alloy steel 50CrMnT through quenching and tempering processing, carburizing and quenching treatment, and grinding;

3. Spindle: Made of high-quality and high-purity alloy steel 40Cr quenched and tempered, with high hanging load capacity.

4. Bearing: equipped with tapered roller bearings with heavy load capacity;

5. Oil seal: Adopting imported double lip oil seal, it has extremely high dust and oil leakage prevention ability