Caterpillar 239D3 Bottom Roller - 420-9801

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$170.18 $490.99 Save $320.81
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Caterpillar 239D3 Bottom Roller - 420-9801 is a replacement lower track roller for the documented compact track loader application.

Installed along the lower undercarriage, the roller supports the track beneath the machine. It transfers machine load to the track and helps guide the lower run during travel.

Fitment: Match 420-9801 to the original bottom roller and the machine undercarriage configuration before ordering; do not select a front or rear idler by model name alone.

Sold as: one individual roller.

About Our Brand

Built with Purpose

At NRP, we don’t just sell parts, we build trust. Every product we offer is backed by years of hands-on experience, careful sourcing, and a commitment to quality that keeps your machines running longer and smoother.

We stand behind everything we sell with a 12-month warranty no gimmicks, no fine print. If it doesn't hold up, we make it right.

Whether you're in the field or in the shop, our team is here to support you with reliable parts and real-world knowledge. It's not just what we do, it's who we are.

Compatible With Leading Equipment Brands

Our premium replacement undercarriage parts and rubber tracks are engineered to fit a wide range of construction equipment. We offer reliable, high-performance solutions compatible with the following major brands:

ASV, Bobcat, Boxer, Caterpillar, Daewoo, Ditch Witch, GEHL, Hanix, Hitachi, IHI, JCB, John Deere, Kobelco, Komatsu, Kubota, Morooka, Mustang, New Holland, Nissan, Schaeff, Sumitomo, Takeuchi, Terex, Vermeer, Volvo, Yanmar

*All brand names are used for compatibility and identification purposes only. We are not affiliated with or endorsed by any of the manufacturers listed.