Bull Gear
Bull Gear
- Catalogue reference number
- Not recorded
- Catalogue brand
- Not recorded
Catalogue fields identify reference material. They do not confirm stock, OEM authorization or interchange. Verify the nameplate, original number and edition.

Original designation: 大齿圈1200003993
Catalogue description records
This Bull Gear is an aftermarket mud pump replacement part. In the power end the bull gear is the large driven gear that transmits torque to the crankshaft. It corresponds to the original Chinese name for the bull gear (大齿圈).
The bull gear is the large driven gear in the power end that transmits torque to the crankshaft.
Catalogue question records
Original catalogue questions are retained. Fitment and availability need technical review.
- What does the bull gear do?
- In the power end it is the large driven gear that transmits torque to the crankshaft.
- Is this an original-manufacturer part?
- It is offered as an aftermarket replacement part. The part number is used for identification only and no rating or material beyond the part name is claimed.
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