CAT 336 45-Link Excavator Undercarriage Parts

CAT 336 Undercarriage Parts

For 45-Link Track Configuration

Shop premium 336 undercarriage parts for Caterpillar excavators equipped with a 45-link undercarriage. This guide helps you identify the correct 336 excavator undercarriage parts, 336 track chains, and 336 track rollers for standard production machines. When calculating your 336 undercarriage rebuild costs, choosing the right components is essential for maximizing the service life of your machine.

Order normally. After ordering, provide your machine serial number through our Exact Fit Guarantee process and our team will verify compatibility before shipment.

➜ Ready to shop? Review the guide below, then browse the product listings for available 336 excavator undercarriage parts, pricing, and current availability.

CAT 336 Serial Prefix Guide

This configuration applies to standard CAT 336 excavators:

Standard 45-Link Setup

Track Specs: Pitch 8.50" | Link Height 124.0mm

Common CAT 336 Undercarriage Components

The components below represent the most commonly replaced 336 undercarriage parts for machines with a 45-link setup. Click any linked component to view pricing and availability.

Component	CAT OEM #	Typical Qty
Track Chain — 45-Link ›	2019118	2
Track Shoe ›	1265066	90
Top Carrier Roller ›	6Y5323	4
Lower Roller ›	1791486	14
Front Idler ›	1028152	2
Rear Idler / Idler Group	5481589	2
Sprocket Segment ›	6Y5685	2
Recoil Spring ›	2394322	2

Available CAT 336 Parts & Hardware

In addition to the major undercarriage components shown above, we may also offer mounting hardware, track hardware, idler hardware, track tensioning components, track guiding guards, seals, and related undercarriage parts.

Track Shoe Options: 336 track shoes are available in multiple width options depending on application.

➜ Ready to order? Browse the product listings below to view available Caterpillar 336 track chains, track shoes, rollers, idlers, sprockets, track tensioning components, hardware, pricing, and current availability.

What To Inspect During an Undercarriage Rebuild

Replacing Track Chains?
Inspect track shoes, sprockets, rollers, and idlers.

Replacing Bottom Rollers?
Inspect carrier rollers, idlers, and chain wear.

Replacing Idlers?
Inspect recoil spring and track tensioning components.

Commonly Purchased Together

Replacing Track Chains?

Customers commonly inspect or replace:

Track shoes
Sprockets
Track hardware

Replacing Bottom Rollers?

Customers commonly inspect or replace:

Top carrier rollers
Front idlers
Track chain wear

Planning a Complete Undercarriage Rebuild?

A typical rebuild may include:

• Track chains

• Track shoes

• Bottom rollers

• Front idlers

• Carrier rollers

• Sprockets

Exact Fit Guarantee

Order with confidence. After placing your order, provide your machine serial number through our Exact Fit Guarantee process and our team will verify fitment before shipment. If a fitment issue is identified before shipment, we will work with you to ensure the correct parts are supplied.

Other CAT 336 Undercarriage Guides

CAT 336 — 49-Link Configuration Undercarriage Parts

Frequently Asked Questions (FAQs)

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Are these aftermarket parts compatible with my CAT 336?

Yes, all of our undercarriage parts are engineered to meet or exceed OEM specifications for the Caterpillar 336 excavator with a 45-Link configuration, ensuring seamless compatibility and long service life.

Do I need to provide my serial number before ordering?

While not strictly required to place an order, we highly recommend providing your machine serial number. Our team uses this to perform a final compatibility check through our Exact Fit Guarantee process before shipment.

What undercarriage parts are commonly replaced on a CAT 336?

Commonly replaced components for CAT 336 excavators include track chains, track shoes, carrier rollers, lower rollers, and sprockets. Regular inspection of these parts is key to preventing unexpected downtime.

What is included in a complete CAT 336 undercarriage rebuild?

A complete Caterpillar 336 undercarriage rebuild for a 45-Link machine typically includes new track chains, track shoes, top carrier rollers, bottom rollers, front idlers, and sprockets.

What track shoe options are available for Caterpillar 336?

We offer multiple track shoe widths and styles for CAT 336 machines, including standard triple grouser shoes and heavy-duty options, depending on your specific operating environment and ground conditions.

What should be inspected when replacing CAT 336 track chains?

When replacing CAT 336 track chains, you should always inspect the sprockets for wear, as worn sprockets will rapidly accelerate wear on new chains. Also, check rollers and idlers for leaks or flat spots.

What are the track specifications for a CAT 336?

The Caterpillar 336 typically features an 8.50-inch track pitch and a 124.0mm link height. We verify these specifications against your machine serial number to ensure a perfect match.

Are track bolts and nuts included with CAT 336 track shoes?

Unless otherwise specified, track bolts and nuts are sold separately. We recommend replacing hardware whenever you install new Caterpillar 336 track shoes to ensure proper torque and security.

What parts do I need to replace the full undercarriage on a CAT 336?

A typical full undercarriage replacement for a CAT 336 requires the following components:

Component	Qty
Track Chains	2
Track Shoes	90
Carrier Rollers	4
Lower Rollers	14
Front Idlers	2
Rear Idlers	2
Sprocket Segments	2
Recoil Springs	2

What happens if I order the wrong undercarriage part for my CAT 336?

If you order the wrong part for your Caterpillar 336, contact us immediately. As part of our Exact Fit Guarantee, we work with customers to rectify fitment issues, though providing your serial number upfront is the best way to avoid this.