Komatsu Excavator Ring Gear

Komatsu Excavator Ring Gear parts list
Image	Fits Model	Description	Details	Part #	Price	Product Details
	See Details	PC200LC-3 After Serial Number 22240, PC220LC-3 After Serial Number 20537	Swing Box Ring Gear		0	205-26-71611	Call for Pricing	View Info

Swing box ring gears for Komatsu excavators, covering the PC200LC-3 and PC220LC-3 series used in demanding excavation and material handling applications. These ring gears are internal components of the swing drive assembly and are critical to maintaining accurate, controlled upper structure rotation.

Fits Models At A Glance

PC200LC-3 Series: PC200LC-3 (After SN 22240)
PC220LC-3 Series: PC220LC-3 (After SN 20537)

Key Notes

Application: Swing box ring gear used in upper structure rotation drive assembly
Serial Number Fitment: Verify serial number before ordering — coverage begins at specific break points for each model
Part Reference: Cross-references OEM part number 205-26-71611
Condition: Replacement units available for worn or damaged originals

Why Choose Broken Tractor

✅ Accurate fitment verified by serial number range
✅ Excavator drivetrain parts shipped fast nationwide
✅ Knowledgeable staff to confirm compatibility before purchase

Frequently Asked Questions

What swing ring gear fits a Komatsu PC200LC-3 excavator?

Broken Tractor carries the swing box ring gear 205-26-71611 for the Komatsu PC200LC-3, starting after serial number 22240. Fitment begins at that serial break point, so check your machine's serial number before ordering. Matching the part number on your original gear is another good way to confirm the fit.

Does the 205-26-71611 ring gear fit a Komatsu PC220LC-3?

Yes, the 205-26-71611 swing box ring gear fits the Komatsu PC220LC-3 after serial number 20537. If your PC220LC-3 has a serial number at or below that break point, confirm compatibility with the parts team before buying by calling (800) 909-7060.

What is the OEM part number for the Komatsu PC200LC-3 swing box ring gear?

The swing box ring gear Broken Tractor offers for the Komatsu PC200LC-3 and PC220LC-3 cross-references OEM part number 205-26-71611. Matching this number to the one on your worn or damaged gear, along with your serial number, is the most reliable way to get the right part.

What does the swing box ring gear do on a Komatsu excavator?

The swing box ring gear is an internal part of the swing drive assembly that turns the upper structure on Komatsu excavators like the PC200LC-3 and PC220LC-3. It is critical for accurate, controlled rotation, so a worn or damaged ring gear should be replaced to keep the swing working properly. We carry replacement units for worn or damaged originals.