F series mud pump connecting rod angled view for drilling rig power end
Mud pump connecting rod assembly with bearing for triplex drilling pump
Red coated mud pump connecting rod aftermarket replacement spare part
Brass bushing mud pump connecting rod with bearing for F series pump
Red painted mud pump connecting rod side view oilfield drilling equipment
F series mud pump connecting rod angled view for drilling rig power end
Mud pump connecting rod assembly with bearing for triplex drilling pump
Red coated mud pump connecting rod aftermarket replacement spare part
Brass bushing mud pump connecting rod with bearing for F series pump
Red painted mud pump connecting rod side view oilfield drilling equipment

Cast Steel Mud Pump Connecting Rod

Mud Pump Connecting Rod

FH Petroleum manufactures cast steel mud pump connecting rods for power-end replacement and OEM applications.

Product Description

Mud Pump Connecting Rod – Critical Power End Component

The mud pump connecting rod is a key transmission component in the power end, connecting the crankshaft mechanism with the crosshead system and transmitting reciprocating mechanical force during pump operation.

Because the connecting rod operates under repeated cyclic loads, its casting integrity, bore geometry, dimensional accuracy and machining consistency are critical to reliable power-end operation.

FH Petroleum manufactures cast steel connecting rods for mud pump manufacturers, drilling equipment suppliers, repair companies and aftermarket distributors. Components can be produced for different mud pump designs according to customer drawings, part numbers, dimensions or approved samples.

Mud pump connecting rods installed on the crankshaft assembly
Mud Pump Connecting Rods Installed in the Power End

Cast Steel Connecting Rod Construction

Cast steel mud pump connecting rod blanks before machining
Cast Steel Mud Pump Connecting Rod Blanks Before Machining

FH Petroleum mud pump connecting rod bodies are produced from cast steel and subsequently machined to meet the dimensional and functional requirements of the specified mud pump design.

Material selection, casting quality and machining requirements are controlled according to the approved drawing and customer specification. Critical areas such as the large-end bore, small-end connection and mating surfaces are machined and inspected to ensure correct fit within the power-end assembly.

Different sizes and structural configurations can be manufactured for replacement, OEM and custom mud pump applications.

Manufacturing and Precision Machining

After casting preparation, connecting rod components proceed through controlled machining operations according to the required drawing and production process.

Critical bores, mating surfaces and dimensional features are machined to the specified tolerances. Process inspection is performed at appropriate manufacturing stages to control dimensional consistency before final assembly or shipment.

FH Petroleum supports both batch production and custom manufacturing, allowing connecting rods to be produced for established mud pump models as well as customer-specific replacement requirements.

Mud pump connecting rods prepared for precision machining
Mud Pump Connecting Rods Prepared for Precision Machining

Batch Production and Custom Manufacturing

Batch production of mud pump connecting rods at FH Petroleum
Batch Production of Mud Pump Connecting Rods

FH Petroleum manufactures mud pump connecting rods in multiple sizes and configurations for OEM supply, aftermarket replacement and custom projects.

For standard replacement requirements, customers can provide the mud pump model and part number for verification. For special or obsolete equipment, production can also be evaluated from technical drawings, dimensional information or approved samples.

This manufacturing flexibility allows FH Petroleum to support both recurring batch orders and low-volume replacement requirements across a broad range of mud pump designs.

Connecting Rod and Crosshead Assembly

The connecting rod works directly with the crankshaft and crosshead system to transmit reciprocating motion through the mud pump power end.

FH Petroleum can manufacture connecting rods together with related power-end components including crosshead assemblies, guide plates, crosshead pins, extension rods, crankshaft components and other replacement parts according to the required pump configuration.

Supplying related components from the same manufacturing source can also simplify dimensional verification and replacement-part coordination for OEM, repair and aftermarket customers.

Mud pump connecting rod and crosshead assembly manufactured by FH Petroleum
Mud Pump Connecting Rod and Crosshead Assembly

Quintuplex Mud Pump Connecting Rod Assembly

The connecting rod assembly is also a critical transmission component in the power end of quintuplex mud pumps.

FH Petroleum manufactures cast steel connecting rod components for quintuplex mud pump applications, with machining and dimensional inspection performed according to the required drawings and technical specifications.

For quintuplex and other specialized mud pump designs, customers can provide drawings, part numbers or approved samples for technical review and custom manufacturing.

Product Description

FH Petroleum manufactures cast steel mud pump connecting rods for power-end replacement and OEM applications. As a critical transmission component of the mud pump power end, the connecting rod transfers mechanical force between the crankshaft and crosshead system under repeated cyclic loading.

Our mud pump connecting rods are manufactured in accordance with applicable API requirements and customer technical specifications, with strict control of casting quality, machining accuracy, critical dimensions and final inspection.

Replacement and custom connecting rods are available for a wide range of triplex and quintuplex mud pumps. Production can be arranged according to verified pump models, part numbers, technical drawings or approved samples.

Key Manufacturing Features

  1. Cast Steel Construction
    Connecting rod bodies are manufactured from cast steel according to the approved product design and technical requirements.
  2. Precision Machining
    Critical bores, mating surfaces and dimensional features are machined according to the specified drawing tolerances.
  3. Dimensional Control
    Key dimensions and fit-related features are inspected during production and before final release.
  4. API Requirements
    Connecting rods are manufactured in accordance with applicable API requirements and customer technical specifications for mud pump applications.
  5. OEM & Custom Manufacturing
    Production is available from verified pump models, part numbers, technical drawings, dimensional information or approved samples.
  6. Triplex & Quintuplex Applications
    FH Petroleum supports connecting rod manufacturing for a broad range of triplex and quintuplex mud pump designs.
  7. Batch Production
    Multiple sizes and configurations can be produced for OEM supply, aftermarket replacement and recurring customer requirements.

Custom connecting rod manufacturing is available from verified pump models, part numbers, drawings, dimensional information or approved samples.

Why Choose FH Petroleum

  • Manufacturing Experience
    Cast steel production and machining for mud pump power-end components.
  • Controlled Manufacturing
    Dimensional and fit-related features are controlled according to approved drawings and specifications.
  • OEM Supply Experience
    Connecting rods can be produced for OEM and replacement applications.
  • Custom Replacement Capability
    Custom manufacturing is available from verified models, part numbers, drawings or samples.
  • Power-End Component Support
    Related crosshead and power-end components can be manufactured for coordinated replacement.

Components can be produced for different mud pump designs according to customer drawings, part numbers, dimensions or approved samples.

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

Custom connecting rod manufacturing is available from verified pump models, part numbers, drawings, dimensional information or approved samples.

Applications

Need Mud Pump Parts Or Equipment?

Send us your drawing, model number or requirements.Our engineers will reply within 24 hours.

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