1.BW44138001 differential shell
3.Noise checking 100%
BW441380001 Differential shell has a hole in the middle of both sides. It also has a planetary shaft hole between the housing side wall, the lower edge of the shell Positioning for the spiral bevel gear. Spiral bevel gear has a tightening circle positioning holes, as described in the head with self-locking shell spline. Simple structure, the assembly of high precision, strongly and highly to improve the results.