520-4373: Idler Group | Cat® Parts Store

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520-4373: Idler Group

Cat® Idler Group Standard Application, 370mm Rim Width, Interchangeable, 1120mm Tread Diameter, Conventional Tread

Brand: Cat

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520-4373: Idler Group

Cat® Idler Group Standard Application, 370mm Rim Width, Interchangeable, 1120mm Tread Diameter, Conventional Tread

Brand: Cat

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Available Cat Reman parts

The following parts are alternative

Cat® Reman

The Cat Reman difference can be found in our commitment to deliver like new quality. From design and engineering to assembly and quality control, our top talent uses state-of-the-art techniques to create our line of over 8,000 Cat Reman products –– all backed by a same-as-new, 12-month Caterpillar Parts Warranty†.

† Limitations may apply. For complete details about the applicable Caterpillar Limited Warranty, contact an authorized Cat dealer.

parts.

The following parts are alternative Cat® Reman

Cat Reman

† Limitations may apply. For complete details about the applicable Caterpillar Limited Warranty, contact an authorized Cat dealer.

parts.

Product Number

20R-8904 : Idler Group

520-4373

457-9635

465-8361

View All Parts

520-4373: Idler Group

457-9635: Track Roller Group

465-8361: Track Sprocket - Sprocket

550-7512: Carrier Roller Group

8L-2786: 2.21 x 16.36mm 75A FKM O-Ring

5M-2057: 2.62 x 34.59mm 75A NBR O-Ring

Diagram

Description

Specifications

Compatible Models

Description for part number 520-4373

The Front Idler is designed to support and guide the track chain, ensuring proper tension and alignment. It maintains the stability and functionality of the undercarriage, contributing significantly to the overall performance and maneuverability of the machinery.

Attributes:
• Made with durable materials for reliable support and alignment
• Facilitates the efficiency and effectiveness of track movement

Applications:
The Front Idler serves as a support guide for the track chain, contributing to the stability and maneuverability of the machinery.

Warning:This product can expose you to chemicals including Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Specifications for part number 520-4373

Units of Measure

Metric

Center Flange Width (mm):

129.83

Tread Diameter (in):

44.094

Tread Type:

Conventional Tread

Application:

Standard Application

Tread Diameter (mm):

1,120.0

Material:

Sealants / Adhesives Adhesive

Center Flange Width (in):

5.111

Center Flange Diameter (in):

47.638

Idler Rim Width (mm):

370

UC System:

Shaft Length (in):

26.213

Shaft Protrusion Length (in):

5.823

Bearing Mounting Length (mm):

630

Center Flange Diameter (mm):

1210

Shaft Length (mm):

665.8

Bearing Mounting Length (in):

24.803

Idler Rim Width (in):

14.567

Shaft Protrusion Length (mm):

147.9

Mounting Cap Bolt Thread Size:

M24

Machine Side:

Interchangeable

Shaft OD (mm):

192.76

Shaft OD (in):

7.589

Compatible Models for part number 520-4373

HYDRAULIC SHOVEL

6030

Compare Alternate Parts

Tread Diameter (in)

Center Flange Width (in)

Center Flange Diameter (in)

Description

520-4373: Idler Group

44.094

5.111

47.638

Cat® Idler Group Standard Application, 370mm Rim Width, Interchangeable, 1120mm Tread Diameter, Conventional Tread

20R-8904: Idler Group

44.094

47.638

5.111

Cat® Idler Group Standard Application, 370mm Rim Width, Interchangeable, 1120mm Tread Diameter, Conventional Tread

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616-9282: Idler Group

Cat® Idler Group Standard Application, 310mm Rim Width, Interchangeable, 1045mm Tread Diameter, Conventional Tread

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606-7572: Idler Group

Cat® Idler Group Standard Application, 337mm Rim Width, Interchangeable, 1030mm Tread Diameter, Conventional Tread

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616-9282: Idler Group

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606-7572: Idler Group

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Key

Factory Fit

This part is designed to fit your Cat equipment based on the manufacturer’s specifications.

Any changes to the manufacturer’s configuration might result in the product not fitting your Cat equipment. Please consult your Cat Dealer before purchasing to ensure that this part is appropriate for your Cat equipment in its current condition and assumed configuration. This indicator cannot guarantee compatibility for all parts.

Remanufactured

Non-Returnable

Kit

Replaced

Remanufactured

Non-Returnable

Kit

Replaced