For Non-Suspended (Rigid) Undercarriage — serial prefix 1XJ
Shop premium D8N undercarriage parts for Caterpillar dozers equipped with a Non-Suspended (Rigid) undercarriage. This guide helps you identify the correct D8N dozer undercarriage parts, D8N track chains, and D8N track rollers for the 1XJ serial prefix. 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 prefix:
1XJ
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 Non-Suspended (Rigid) setup. Click any linked component to view pricing and availability.
Additional available parts include track bolts and nuts, idler hardware, roller hardware, track guides, caps, blocks, and related rigid 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.
Are these aftermarket parts compatible with my CAT D8N dozer?
Yes. Propel Parts offers aftermarket CAT D8N undercarriage parts for the Non-Suspended (Rigid) configuration. Compatibility depends on the machine serial number, and this guide covers prefixes 1XJ. Provide your serial number through the Exact Fit Guarantee process so our team can verify fitment before shipment.
Do I need to provide my serial number before ordering CAT D8N undercarriage parts?
No. You can place your order normally and provide your machine serial number afterward through the Propel Parts Exact Fit Guarantee process. Our team will verify the correct D8N undercarriage parts for the Non-Suspended (Rigid) configuration and prefixes 1XJ before shipment.
What undercarriage parts are commonly replaced on a CAT D8N dozer?
Common replacement components include D8N track chains, track shoes, top carrier rollers, lower rollers, idlers, sprocket segments, recoil components, and related track hardware. The correct combination depends on the Non-Suspended (Rigid) arrangement and the machine serial prefix.
What is included in a complete CAT D8N undercarriage rebuild?
A complete CAT D8N undercarriage rebuild may include two track chains, track shoes, lower rollers, carrier rollers where equipped, front and rear idlers where listed, sprocket segments, recoil components, and track hardware. Inspect the complete undercarriage before ordering to confirm the parts required.
What track shoe options are available for the CAT D8N dozer?
Propel Parts offers CAT D8N track shoe options in different widths and grouser styles, depending on the application and availability. Confirm the required shoe width, track-chain arrangement, and serial prefix before ordering.
What should be inspected when replacing CAT D8N track chains?
Inspect the track shoes, sprockets, lower rollers, carrier rollers, idlers, track guides, recoil components, and track hardware. Replacing worn mating components with new D8N track chains helps support proper engagement and service life.
What are the track specifications for the CAT D8N Non-Suspended (Rigid) configuration?
The CAT D8N Non-Suspended (Rigid) configuration uses an 8.5-inch pitch, 7/8-inch bolt diameter, 150.0 mm link height, and 79.3 mm bushing outside diameter. The applicable serial prefixes are 1XJ.
Are track bolts and nuts included with CAT D8N track shoes?
Track bolts and nuts are generally sold separately. For CAT D8N track shoes, confirm the required 7/8-inch track hardware before installation and use new hardware when recommended for the selected shoe and chain arrangement.
What parts do I need to replace the full undercarriage on a CAT D8N?
If you are planning a complete CAT D8N undercarriage replacement, use this reference:
Component
Typical quantity
Track chains
2
Track shoes
88
Top carrier rollers
2 where equipped
Lower rollers
16 double-flange rollers
Front and rear idlers
2 each where listed
Sprocket segments
2
Recoil components
As required by configuration
What happens if I order the wrong CAT D8N undercarriage part?
Contact Propel Parts with your order details and machine serial number. Our Exact Fit Guarantee process is designed to verify compatibility before shipment and help identify the correct part for your CAT D8N Non-Suspended (Rigid) configuration.
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