How do I confirm pilotpart794899-8890763968760 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

Swing Gearbox 21W-26-00052 for Komatsu Excavator PC75UU-3 PC78US-5

For Komatsu Swing Motor & Gearbox

Swing Motor & Gearbox 21W-26-00052 for Komatsu

OEM / REF: 21W-26-00052SKU: pilotpart794899-8890763968760

Swing Gearbox 21W-26-00052 for Komatsu Excavator PC75UU-3 PC78US-5 is a Swing Motor & Gearbox replacement part for Komatsu Transmission & Undercarriage Parts, categorized under Transmission & Undercarriage Parts > Swing Motor & Gearbox. Use OEM part number 21W-26-00052 and confirm machine model, engine model, and se...

Stock: In stock
Condition: New
Fitment: Komatsu Transmission & Undercarriage Parts
Category: Swing Motor & Gearbox

Fitment support before you order
Worldwide delivery options

Quote required

Price on requestRFQ

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

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This part requires a quote. Add it to your quote list or send machine details for pricing and lead time.

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

Swing Motor & Gearbox Description

This Swing Motor & Gearbox is indexed for Komatsu Fit for Komatsu Excavator:PC75UU-3, PC78US-5. Compare reference number 21W-26-00052 against the label on your existing Komatsu component before ordering.

Additional cross references on file: JY21W-26-00052. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Part Numbers and Cross References

21W-26-00052 JY21W-26-00052

Applications

Komatsu Fit for Komatsu Excavator:PC75UU-3, PC78US-5

Fitment Notes

Brand or application signal: Komatsu Transmission & Undercarriage Parts
Product family: Swing Motor & Gearbox
System category: Transmission & Undercarriage Parts > Travel & Swing Mechanism Parts > Swing Motor & Gearbox
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.