What does '0.030 inch undersize' mean for these bearings?

This means the bearings are designed to fit a crankshaft that has been machined down by 0.030 inches. This is common when a crankshaft has been ground to correct for wear or damage during an engine rebuild.

What is the primary function of main bearings?

Main bearings support the crankshaft within the engine block. They are critical for maintaining proper crankshaft alignment and ensuring consistent oil pressure throughout the engine's operation.

Are these bearings sold individually or as a set?

This product is a set of main bearings, designed to replace all the necessary main bearings for the specified John Deere 6-cylinder engines.

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Specifications

Brand: Clevite
Part #: MS1528P30
UPC: 027067554246

Clevite John Deere 4010 4020 Series 6 Cyl Main Bearing Set

Name: Clevite John Deere 4010 4020 Series 6 Cyl Main Bearing Set
Brand: Clevite
SKU: clevite-clevite-john-deere-4010-4020-series-6-cyl-main-bearing-set-t14-54949
Price: 191.85 USD
Availability: BackOrder

$191.85

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Clevite MS1528P30 main bearing set for John Deere 4010 and 4020 series 6-cylinder engines. This is a 0.030 inch undersize set.

Key Features

Fits John Deere 4010 and 4020 series 6-cylinder engines.
Main bearing set for crankshaft support and oil pressure.
0.030 inch undersize for use with machined crankshafts.

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About this part

Product Details

Clevite is a well-known name for engine bearings, and this MS1528P30 main bearing set is built for John Deere 4010 and 4020 series tractors with 6-cylinder engines. When you're rebuilding the bottom end of one of these workhorses, getting the main bearings right is crucial for proper crankshaft support and oil pressure.

This set is manufactured to Clevite's standards for durability and performance in demanding applications. It's important to note that this particular set is 0.030 inch undersize, meaning it's intended for crankshafts that have been machined down by 0.030 inches to correct for wear or damage. Using the correct undersize bearing is essential for achieving proper clearances and oil pressure after a crankshaft has been ground.