Are these aftermarket parts compatible with my CAT D8N dozer?
Yes. Propel Parts offers aftermarket CAT D8N undercarriage parts for the Suspended (Bogie) configuration. Compatibility depends on the machine serial number, and this guide covers prefixes 5TJ, 7TK1, 9TC. 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 Suspended (Bogie) configuration and prefixes 5TJ, 7TK1, 9TC 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 Suspended (Bogie) 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 Suspended (Bogie) configuration?
The CAT D8N Suspended (Bogie) 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 5TJ, 7TK1, 9TC.
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 | 8 single-flange and 8 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 Suspended (Bogie) configuration.
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