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12_8cbffa22-7ec9-479b-8654-49e2be609511 - Northline Parts

2X Bottom Roller RB511-21702 for Kubota U25 U35 U35-3 U35-S KX91-3S Excavator

Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$373.79
Sale price  $373.79 Regular price 

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Ships Nationwide in 2–4 business days.
This Bottom Roller is a high-quality aftermarket replacement part compatible with Kubota U25, U35, U35-3, U35-S, and KX91-3S and matches OEM Part# RB511-21702.

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Product Overview

Designed for durability and reliability, this set of two bottom rollers ensures smooth track operation for Kubota excavators. These heavy-duty components are engineered to withstand rigorous job site conditions and provide long-lasting performance.

Key Features & Performance

  • Precision Engineering: Manufactured to meet or exceed OEM standards for a perfect fit.
  • Durable Construction: Built with high-strength materials to resist wear and tear.
  • Smooth Operation: Reduces friction and track wear for improved efficiency.
  • Set of Two: Includes two rollers for a comprehensive undercarriage maintenance solution.

Fitment & Compatibility

  • Compatible Models: Kubota U25, U35, U35-3, U35-S, KX91-3S
  • Equipment Type: Excavators

Technical Specifications

  • Part Number(s): RB511-21702
  • Part Type: Bottom Roller
  • Quantity: 2

Frequently Asked Questions

Q: Does this set include the mounting hardware? A: This listing includes two bottom rollers; please verify if existing hardware can be reused or if new bolts are required.

Q: Is this part manufactured by Kubota? A: This is a high-quality aftermarket replacement part designed to match the specifications of the original equipment manufacturer.

Compatibility may vary by serial number. Verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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