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CAT D6M-LGP SystemOne to Conventional Conversion Undercarriage Parts

CAT D6M-LGP Undercarriage Parts

For SystemOne to Conventional Conversions

Shop D6M LGP undercarriage parts for Caterpillar D6M-LGP dozers equipped with a SystemOne undercarriage converting to a conventional track setup. This D6M LGP System One conversion guide covers the serial number ranges below and helps identify the major components commonly replaced during a complete conversion or undercarriage rebuild.

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

Required Conversion Components

All components listed below are required to complete the SystemOne to Conventional conversion on a Caterpillar D6M-LGP. These are the same conventional undercarriage parts used on D6M-LGP machines that shipped with conventional track from the factory.

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.

Other CAT D6M-LGP Undercarriage Guides