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SKU:
NLT2T03624
Ships for free in 2–4 business days.
Lower Bottom Roller RD411-21700 for Kubota KX161-3 U40-3 U45 U45-3 Excavator
$268.49
In Stock
$268.49
Sale price
$268.49
Regular price
Replace a seized or badly worn lower track roller on a matching Kubota excavator with reference RD411-21700.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- Kubota KX161-3
- Kubota U40-3
- Kubota U45
- Kubota U45-3
Important fitment note: Compare roller diameter, mounting spacing, flange profile and excavator serial number. Applications must be checked against the original part number and equipment serial-number catalog; engine or option changes can affect fitment.
Product Overview
Lower rollers carry the weight of the machine along the track chain and help support smooth travel. A seized bearing, damaged tread or oil leakage can accelerate track and rail wear if left unattended.
Key Features & Performance
- Undercarriage bottom support roller
- Reference RD411-21700
OE / Reference Numbers
- RD411-21700
Common Reasons for Replacement
Roller does not rotate, leaks lubricant or develops excessive play. Confirm the fault before ordering; other components can cause similar symptoms.
Frequently Asked Questions
Is this a genuine OEM part? This listing is for a replacement part unless otherwise explicitly stated. Manufacturer names and part numbers identify compatible applications only.
How do I confirm fitment? Compare roller diameter, mounting spacing, flange profile and excavator serial number.
Part Summary
keywords: undercarriage bottom support roller, kubota replacement lower bottom roller rd411-21700, RD411-21700
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.