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CAT 330 2nd Gen (>2018) Excavator

CAT 330 Undercarriage Parts

For 2nd Gen (>2018) — serial prefixes KEL, LHW, MGK, PFN, WCH, XNB

Shop premium 330 undercarriage parts for Caterpillar excavators equipped with a 2nd Gen (>2018) undercarriage. This guide helps you identify the correct 330 excavator undercarriage parts, 330 track chains, and 330 track rollers for the serial number ranges listed below. When calculating your 330 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 330 excavator undercarriage parts, pricing, and current availability.

CAT 330 Serial Prefix Guide

This guide covers the following Caterpillar 330 serial prefixes:

KEL LHW MGK PFN WCH XNB

Track Specs: Pitch 8.00"  |  Link Height Standard

Common CAT 330 Undercarriage Components

The components below represent the most commonly replaced 330 undercarriage parts for machines with a 2nd Gen (>2018) setup. Click any linked component to view pricing and availability.

Component CAT OEM # Typical Qty
Track Chain (50L) UL202B1P50 2
Track Shoe — 600mm 5172060 100
Top Carrier Roller › 6Y5323 4
Lower Roller — Single Flange CR5525 18
Lower Roller — Double Flange N/A 18
Front Idler CR5884 2
Sprocket Segment CR5604 2
Recoil Spring 5393022 2

Available CAT 330 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: 330 track shoes are available in multiple width options depending on application.

➜ Ready to order? Browse the product listings below to view available Caterpillar 330 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 330 Undercarriage Guides