+86 156 6741 7176
+86 123 456 7890
+86 123 456 7890
+86 156 6741 7176
Crosshead Pin for Mud Pump
The Crosshead Pin is a critical connecting and transmission component in reciprocating power equipment such as mud pumps, internal combustion engines, and compressors, specifically designed to link the small end of the connecting rod with the crosshead body. As a core force-bearing part of the mud pump power end, it plays an irreplaceable role in ensuring stable and efficient drilling operations.
Core Functions & Key Advantages
Our crosshead pin is engineered to deliver reliable performance under harsh drilling conditions, with three core functions that guarantee operational stability:
Power Transmission: Efficiently transfers the rotational motion of the crankshaft to the crosshead via the connecting rod, converting it into linear reciprocating motion to drive the piston rod and piston, ensuring smooth power output.
High Load Bearing: Capable of withstanding high pressure (up to 7500 PSI) and alternating impact loads during drilling operations, with excellent toughness and wear resistance to avoid deformation or damage.
Flexible Articulation: Serves as a hinge shaft between the connecting rod and crosshead, enabling flexible relative rotation while reducing friction and wear, extending the overall service life of the equipment.
Material & Manufacturing Process
We adhere to strict quality standards in material selection and production to ensure superior product performance:
High-Quality Material: Available in forged high-quality carbon steel (40#/45#), alloy steel, or ductile iron (QT600/QT500), customizable according to your specific requirements. The material features high strength, good toughness, and excellent fatigue resistance.
Precision Manufacturing: Undergoes a rigorous production process—forging/investment casting → heat treatment (quenching and tempering/carburizing and quenching) → multi-spindle CNC precision turning and grinding → surface rolling/chroming. This ensures high dimensional accuracy, smooth surface finish, and enhanced wear resistance.
Structural Features
Designed for durability and easy installation, our crosshead pin boasts thoughtful structural details:
Shape Design: Solid or hollow cylindrical structure, with high-precision machined surface. Axial/radial oil passages are built-in for forced lubrication, forming an oil film to reduce friction and wear.
Fitting Method: Both ends are mostly conical or cylindrical, precisely matched with the crosshead pin hole (tapered hole/straight hole). Equipped with anti-loosening baffles or retainers for axial positioning, ensuring stable installation and no displacement during operation.
Application & Compatibility
Widely applicable to oil drilling mud pumps (such as F-1300, F-1600 models), reciprocating compressors, marine diesel engines, and other reciprocating equipment. As a core wearing part of the crosshead assembly, it is easy to maintain and replace.
All our crosshead pins are fully interchangeable with major pump models and power end types, ensuring perfect compatibility and hassle-free replacement. We also provide customized design and serialized crosshead pin products to meet your specific project needs, adhering to high industry standards.
Quality Assurance
With world-class heat treatment technology and strict quality control (QC) and inspection procedures, our crosshead pins exceed high-standard requirements, featuring an extremely long service life and reliable performance. We are committed to providing durable, high-performance replacement parts to minimize equipment downtime and maximize operational efficiency.
Technical Specifications
|
Brand |
Compatible Models |
|
BOMCO |
F-500, F-800, F-1000, F1300, F1600, FB-1300, FB-1600, D-375, D-700 |
|
LANSHI |
3NB-1300C, 3NB-1000, 3NB-1000C, 3NB-800 |
|
QINGZHOU |
SL3NB-1300A, QZ-1000, QZ-500, QZ-350, QZ-800, SL3NB-1600 |
|
HONGHUA |
3NB-1600F, HHF800/1000, HHF1300/1600, HHF1600HL, HHF2200HL |
|
DRILLMEC |
7TS450, 7TS600, 9T800, 9T1000, 10T1300, 12T1600 |
|
EMSCO |
F-500, F-800, F-1000, F1300, F1600, FB-1300, FB-1600, FC-1600, FC-2200 |
|
IDECO |
T-500, T-800, T-1000, T-1300, T-1600 |
|
GARDNER DENVER |
PZ-7, PZ-8, PZ-9, PZ-10, PZ-11 |
|
NATIONAL |
7-P-50, 8-P-80, 9-P-100, 10-P-130, 12-P-160, 14-P-200, 14-P-220, K-700, K-700A, K-500, K-500A |
|
OILWELL |
A-350PT, A-560PT, A-600PT, A-850PT, A-1100P, A-1400PT, A-1700PT |
|
ELLIS WILLIAMS |
W-440-LP, E-447, E-2200, W446, W440 |
|
RUSSIAN Series |
8T-650, UNBT-600, UNBT-950, UNBT-1180L, UNBT-950A, UBT-400, BT-600, UB-590, UNB-600, 8T-310 |
Applications
Offshore Drilling Mud Pump Replacement Parts
Corrosion-resistant power end and fluid end parts built for harsh marine conditions, fully interchangeable with mainstream F-series triplex mud pumps and designed for extended runtime between maintenance.
Deep Well Onshore Drilling Pump Components
Heavy-duty pump parts rated for high-pressure deep drilling operations, including forged crankshafts, crossheads and fluid end modules, delivering consistent performance under continuous heavy load per API standards.
Workover & Land Drilling Aftermarket Pump Parts
Cost-effective OEM-compatible spare parts for routine onshore drilling and workover projects, covering common wear parts of power end, fluid end and structural assemblies to cut maintenance costs.
Need Mud Pump Parts Or Equipment?
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