This OEM Weichai drive gear features 20CrMnTiH alloy steel with CNC-machined 20° helical teeth achieving AGMA 10 gear quality. The dual-frequency induction hardening creates 1.2-1.5mm case depth with 58-62 HRC tooth surface hardness. Precision ground tooth profile ensures <0.02mm runout for vibration-free operation up to 4,800rpm.
Technical Parameters
Part Number: 199014320136
Type: Drive cylindrical gear (helical)
Material: 20CrMnTiH steel
Module: 4.5mm
Teeth: 28 (helix angle 20°R)
OD: Ø142.5mm
Face Width: 52mm
Hardness: 58-62 HRC (tooth), 32-38 HRC (core)
Surface Finish: Ra 0.4μm
Accuracy: DIN 5 grade
Max RPM: 4,800
Compatibility: Weichai WP10/WP12 transmissions
Warranty: 500,000 km
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