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CAT D8N Suspended Dozer

CAT D8N Undercarriage Parts

For Suspended (Bogie) Undercarriage — serial prefixes 5TJ, 7TK1, 9TC

Shop premium D8N undercarriage parts for Caterpillar dozers equipped with a Suspended (Bogie) undercarriage. This guide helps you identify the correct D8N dozer undercarriage parts, D8N track chains, and D8N track rollers for the serial number ranges listed below. When calculating D8N undercarriage rebuild costs, choosing the right components is essential for maximizing machine service life.

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 D8N dozer undercarriage parts, pricing, and current availability.

CAT D8N Serial Prefix Guide

This guide covers the following Caterpillar D8N serial prefixes:

5TJ 7TK1 9TC

Track Specs: Pitch 8.5 in  |  Link Height 150.0 mm  |  Bushing O.D. 79.3 mm  |  Bolt Diameter 7/8 in

Common CAT D8N Undercarriage Components

The components below represent commonly replaced D8N undercarriage parts for machines with a Suspended (Bogie) setup. Click any linked component to view pricing and availability.

Component CAT OEM # Typical Qty
Track Chain — SALT 45L ›27260102
Track Shoe — 24 in Single Grouser ›9P266188
Top Carrier Roller ›8E04002
Lower Roller — Single Flange ›24607758
Lower Roller — Double Flange ›24607798
Front Idler ›11117302
Rear Idler ›11117292
Sprocket Segment › 3145464 2
Recoil SpringPASTE-PRODUCT-URL-HERE2

Available CAT D8N Parts & Hardware

Additional available parts include track bolts and nuts, idler hardware, carrier-roller hardware, bogie pins, bogie pads, track guides, and related undercarriage hardware.

Track Shoe Options: D8N track shoes are available in multiple width and grouser options depending on application.

➜ Ready to order? Browse the product listings below to view available Caterpillar D8N track chains, track shoes, rollers, idlers, sprockets, 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 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.

Other CAT D8N Undercarriage Guides