Main Bearing and Connecting Rod Bearing STD for Perkins 4006 Engine | Construction & Industrial

Product Details

Product Overview

This high-quality set of Main Bearings and Connecting Rod Bearings is specifically designed for the Perkins 4006 diesel engine. As a critical component for engine rebuilds and overhauls, this bearing set ensures the precise fit and durability required for demanding applications in construction, industrial, agricultural, and marine environments.

Manufactured to OEM size specifications, these bearings provide the exact clearance and load-bearing capacity needed to maintain optimal engine performance. Whether you are servicing a generator set, a heavy-duty industrial pump, or a marine propulsion system, these bearings are engineered to restore your Perkins 4006 engine to its original working condition.

Key Features & Benefits

• OEM Standard Dimensions: Manufactured to strict OEM size tolerances, guaranteeing a perfect fit for the Perkins 4006 crankshaft and connecting rods without the need for additional machining.
• Durable Material Composition: Constructed from high-quality steel-backed aluminum alloy, providing excellent fatigue resistance and load-carrying capacity for long service life under heavy loads.
• Precision Machining: Each bearing is precision-machined to ensure consistent wall thickness and proper oil clearance, reducing friction and preventing premature wear.
• Comprehensive Set: Includes both main bearings and connecting rod bearings in a single, convenient package, simplifying your engine overhaul parts procurement.
• Rigorous Quality Control: Each batch undergoes outgoing inspection and machinery test reporting to verify dimensional accuracy and material integrity, ensuring reliable performance from the first start-up.
• Versatile Application: Suitable for a wide range of Perkins 4006 engine applications, including construction equipment, industrial machinery, agricultural tractors, generator sets, and marine vessels.

Technical Specifications

OEM Cross-Reference

This bearing set is engineered as a direct replacement for the following Perkins OEM part numbers:

• Main Bearing: Perkins Part Number (Please confirm with your engine parts manual)
• Connecting Rod Bearing: Perkins Part Number (Please confirm with your engine parts manual)

Note: The specific OEM part numbers for the 4006 engine may vary by application and serial number range. For precise identification, please cross-reference your original part numbers or consult your engine’s service manual. We recommend verifying the bearing size and part number before ordering.

Compatibility

This bearing set is commonly used for the following applications:

• Engine Models: Perkins 4006 Series (including 4006-23TAG2, 4006-23TAG3A, and other variants)
• Equipment Types: Construction machinery, industrial generators, agricultural tractors, marine propulsion systems, and material handling equipment

Fitment Note: While designed for the Perkins 4006 engine, please confirm compatibility with your specific engine serial number and application to ensure correct fitment.

Global Supply & Distribution

We offer worldwide shipping capabilities to support international B2B buyers. Our logistics network ensures fast and reliable delivery to major ports and industrial centers across North America, Europe, Asia-Pacific, the Middle East, Africa, and South America.

With extensive export experience, we are well-versed in international trade compliance, customs documentation, and shipping requirements. We can fulfill orders of various sizes, from single sets for engine rebuilds to bulk quantities for distributors and service centers. Typical lead times range from 7-15 working days depending on destination and order volume.

Quality Assurance

Our manufacturing process adheres to strict quality control standards to ensure each bearing set meets or exceeds OEM specifications. Key quality measures include:

• Material Certification: All raw materials are sourced from certified suppliers and tested for composition and hardness.
• Dimensional Inspection: Each bearing is measured for wall thickness, width, and roundness using precision instruments.
• Surface Finish: Bearing surfaces are inspected for smoothness and proper oil groove geometry.
• Testing: Video outgoing inspection and machinery test reports are provided upon request to verify product quality.
• Warranty: All products are backed by a 6-month warranty against manufacturing defects, with online support available after the warranty period.

FAQ

Q: How do I know if these STD bearings will fit my Perkins 4006 engine?

A: Standard (STD) size bearings are designed for engines with crankshaft journals that are within factory specifications. If your crankshaft has been previously ground or shows signs of wear, you may require undersize bearings (e.g., 0.25mm, 0.50mm). We recommend measuring the crankshaft journal diameters and comparing them to the engine service manual specifications before ordering. If you are unsure, please provide your engine serial number and current bearing condition for assistance.

Q: What is the proper installation procedure for these bearings?

A: Installation should be performed by a qualified diesel mechanic. General steps include: 1) Thoroughly clean the bearing bores and crankshaft journals. 2) Apply clean engine oil to the bearing surfaces. 3) Install the upper main bearings into the block, ensuring the locating tabs are properly seated. 4) Install the lower main bearings into the main caps. 5) Torque all bolts to the manufacturer’s specifications in the correct sequence. 6) Check crankshaft rotation for smoothness. 7) For connecting rod bearings, follow similar steps, ensuring proper orientation of the bearing shells. Always consult the Perkins 4006 service manual for exact torque values and procedures.

Q: Can these bearings be used in high-performance or turbocharged applications?

A: Yes, the Perkins 4006 is commonly used in turbocharged and aftercooled configurations (e.g., 4006-23TAG2). These bearings are designed to handle the loads and operating conditions typical of these heavy-duty engines. However, for extreme high-performance modifications or racing applications, we recommend consulting with an engine builder to determine if a specialized bearing material or clearance is required. For standard industrial, marine, and generator applications, this bearing set is fully suitable.