crown wheel pinion truck parts MC834743 8*39 20teeth 6D17

Specification:
Item Description: 6D17 Crown wheel pinion
Ratio :8*39
OE or Application :MC834743
Material :22CrMoH and 20CrMnTiH
Production Process
Forged Semi-Products–Drill holes-Rough Grinding – Cutting Teeth by Milling machine-Rolling Splines-Heat treatment-Sand blast-Precision Grinding –Lapping Gear-Phosphorization