CAT D6M-LGP Dozer Undercarriage Parts — Conventional

CAT D6M-LGP Undercarriage Parts

For Conventional (Track) Undercarriages

Shop replacement undercarriage parts for Caterpillar D6M-LGP dozers equipped with a conventional track undercarriage. This guide covers the serial number ranges below and helps identify the major components commonly replaced during undercarriage maintenance, repair, and complete undercarriage rebuilds.

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 below for available D6M-LGP undercarriage parts, pricing, and current availability.

CAT D6M-LGP Serial Prefix Guide

This guide covers the following Caterpillar D6M-LGP serial prefixes:

2RN 4GS 4JN 5NR

Track Specs: Pitch 7.50" | Bolt Dia. 3/4" | Link Height 119mm | Bushing O.D. 65.0mm

Common CAT D6M-LGP Undercarriage Components

The components below represent the most commonly replaced D6M-LGP undercarriage parts for machines with a conventional track setup. Click any linked component to view pricing and availability.

Component	CAT OEM #	Typical Qty
Track Chain — HD TLA SALT (46L) ›	1061636	2
Track Shoe — 34" ›	1061605	90 per side
Top Carrier Roller ›	6Y3908	2 per side
Lower Roller — Single Flange ›	1210824	Varies
Lower Roller — Double Flange ›	1210827	Varies
Front & Rear Idler ›	1901546	4 Total 2 per side
Sprocket Segment ›	6I8078	14 per side
Recoil Spring ›	2518609	2

Available CAT D6M-LGP 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: D6M-LGP track shoes are available in Single Grouser (24", 28", 30", 34") options depending on application.

➜ Ready to order? Browse the product listings below to view available Caterpillar D6M-LGP 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.