AFTERMARKET CATERPILLAR 4W5700 Cat Bearing 6N4171 8N5424

( Brand: Aftermarket Caterpillar ), ( Manufacturer Part Number: 4W5700 ), ( Part Type: Bearing ), ( Ipn: 6n4171 )

Review AFTERMARKET CATERPILLAR Cat Bearing main For

The Caterpillar Cat 4W5700 bearing is a crucial component for the successive models of Caterpillar heavy equipment, including those with the 6N1401 and 8N1401 engine designs. More specifically, the Cat 4W5700 bearing is a main bearing, which supports the crankshaft's immense weight and rotational forces within the engine.

This particular Cat 4W5700 bearing comes in two distinct variations: 6N4171 and 8N5424. Both versions are interchangeable and functionally identical, but they cater to different engine models.

The 6N4171 Cat 4W5700 bearing is designed for use in Caterpillar engines with the 6N series engine designation. These engines are commonly found in medium-sized machinery, such as excavators, backhoes, and wheel loaders. The bearing's dimensions are 10.5 inches (267 mm) in length and 8 inches (203 mm) in diameter, with a width of 11 inches (279 mm) at its thickest point. Its weight is approximately 150 lbs (68 kg). The 6N4171 Cat 4W5700 bearing features a precision-machined surface to ensure optimal contact with the crankshaft and engine components.

The 8N5424 Cat 4W5700 bearing, on the other hand, is engineered for engines with the 8N series engine designation. These engines are found in larger Caterpillar machinery, such as bulldozers, motor graders, and articulated trucks. The 8N5424 Cat 4W5700 bearing shares the same dimensions as its 6N4171 counterpart but may have slight variations in its weight due to differences in the engine designs.

Both the 6N4171 and 8N5424 Cat 4W5700 bearings are designed using high-quality materials to ensure durability and longevity. They are engineered to withstand the extreme pressures and temperatures found in heavy-duty industrial applications, making them a reliable choice for maintaining the performance and longevity of Caterpillar machinery.

When it comes time to replace a worn-out Cat 4W5700 bearing, it is essential to use a genuine Caterpillar replacement part. Using aftermarket or non-genuine parts may lead to premature bearing failure and potential damage to the engine. By investing in a genuine Cat 4W5700 bearing, you can rest assured that you are receiving a high-quality component that is engineered to meet the exacting standards of Caterpillar machinery.

The Caterpillar 4W5700 bearing-main assemblies, specifically the 6N4171 and 8N5424 models, are essential components of Caterpillar machinery, particularly in heavy-duty applications. These assemblies consist of several parts, including bearings, seals, and housing, all working together to support the load and maintain the machine's performance.

1. Original Equipment Manufacturer (OEM) parts: Caterpillar is a reputable manufacturer known for producing high-quality components. Buying OEM parts ensures that you are getting a replacement part that has been designed, engineered, and tested by the original manufacturer, ensuring optimal performance and reliability.

2. Reduced downtime: OEM parts, like the Caterpillar 4W5700 bearing-main assemblies, are specifically designed for the machinery they are intended for. By using these parts, you minimize the risk of compatibility issues and potential failures, resulting in reduced downtime and increased productivity.

3. Warranty coverage: OEM parts often come with a warranty that covers defects and failures, providing peace of mind and reducing the financial risk of purchasing and installing non-OEM parts.

4. Long-term cost savings: While the initial investment for OEM parts may be higher than non-OEM alternatives, their durability and reliability can lead to long-term cost savings. Replacing non-OEM parts more frequently due to compatibility issues or premature failure can result in additional expenses.

1. Cost: OEM parts, such as the Caterpillar 4W5700 bearing-main assemblies, can be more expensive than non-OEM alternatives. This higher cost may be a barrier for some users, particularly for smaller operations or those with limited budgets.

2. Availability: Depending on the specific application and location, it might be more challenging to find and acquire OEM parts like the Caterpillar 4W5700 bearing-main assemblies compared to non-OEM alternatives. This could result in longer lead times and potential downtime for the machinery.

In conclusion, the decision to buy Caterpillar 4W5700 bearing-main assemblies depends on several factors, including your budget, equipment requirements, and preference for original components. While the upfront cost may be higher, the benefits of using OEM parts, such as improved performance, reduced downtime, and long-term cost savings, can outweigh the initial expense for many applications.

Recommendation: If your priority is optimal performance, reliability, and peace of mind, it is recommended to invest in Caterpillar 4W5700 bearing-main assemblies as OEM parts. However, if budget constraints are a significant concern, it may be worth considering non-OEM alternatives while carefully considering the potential risks and trade-offs.

Details:

The one I reopened for the photo has some signs of handling and may be stained by plastique. New old stock set of 7 bearing inserts no idea what they fit or the story. They have all been opened the packages are numbered 1-7. If there is any interest I will open and photograph inspect the rest.

part #: 4w5700 prices

• $39.13-$168.75

specifications parthick:

• for makes: Caterpillar
• brand: Aftermarket Caterpillar
• mpn: 4w5700
• part type: Bearing
• ipn: 6n4171

shipping parthick:

• service: USPS Ground Advantage
• cost: $9.53
• transit: 4-8 Days
• type: Calculated
• class: Standard
• carrier: USPS

seller parthick:

• rating: 100.0%
• city: Estacada, Oregon
• # reviews: 164

offer parthick:

• sold: 0
• started: March 29, 2026
• quantity: 1
• options: Ship-to-home
• best offers: True
• availability: In Stock

general parthick:

• Parts Accessories > Car Truck Parts Accessories > Other Car Truck Parts Accessories
• condition: New other see details

returns parthick:

• policy: No Returns

payments parthick:

• wallet: Apple-pay
• credit card: Visa
• other

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