How do I confirm pilotpart508179-9010187927800 fits my machine?

Compare the OEM or reference part number, machine model, engine model, and serial number. You can also submit a fitment inquiry before ordering.

In Stock

Bottom Roller RD579-21700 for Kubota Excavator KX057-5 U55-5

For Kubota Track Roller

Track Roller RD579-21700 for Kubota

OEM / REF: RD579-21700SKU: pilotpart508179-9010187927800

Bottom Roller RD579-21700 for Kubota Excavator KX057-5 U55-5 is a Track Roller replacement part for Kubota Transmission & Undercarriage Parts, categorized under Transmission & Undercarriage Parts > Track Roller. Use OEM part number RD579-21700 and confirm machine model, engine model, and serial details before checkout.

Stock: In stock
Condition: New
Fitment: Kubota Transmission & Undercarriage Parts
Category: Track Roller

Fitment support before you order
Worldwide delivery options

In stock — ready to order

$134.00USD/EA

Estimated delivery by quantity

Estimated delivery windows
Qty	Estimated delivery
1	Oct 22 – Oct 29
10	Oct 20 – Oct 27
50	Oct 18 – Oct 25

Estimates from today; confirm exact lead time before payment.

Quantity

Buy online now or add to your quote list for bulk pricing and fitment confirmation.

Confirm fitment before ordering →

Lead times can vary by freight route and customs. Contact support for expedited shipping.

Track Roller Description

This Track Roller is indexed for Kubota Fit for Kubota Excavator:KX057-5,U55-5. Compare reference number RD579-21700 against the label on your existing Kubota component before ordering.

Before checkout, compare OEM part number RD579-21700, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.

Part Numbers and Cross References

RD579-21700

Applications

Kubota Fit for Kubota Excavator:KX057-5,U55-5

Fitment Notes

Brand or application signal: Kubota Transmission & Undercarriage Parts
Product family: Track Roller
System category: Transmission & Undercarriage Parts > Crawler Undercarriage Parts > Track Roller
Recommended verification: OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability: InStock
Shipping: Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns: Returns are easier when fitment is confirmed before ordering.
B2B support: Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.