20Y-27-21180 Gear Fits Komatsu Models

One New Aftermarket Replacement Ring Gear for Komatsu PC200 / PC210 / PC220 / PC230 / PC240 Series Excavators

This aftermarket replacement ring gear (internal gear) fits the final drive travel gearbox on Komatsu PC200-6, PC210-6, PC220-6, PC230-6, and PC240-6 series excavators. The ring gear is a critical component of the planetary gear set within the final drive, transmitting torque from the travel motor to the undercarriage sprocket to propel the machine. Replaces Komatsu OEM part number 20Y-27-21180.

Important: This gear applies to machines with serial numbers SN 80001-91086. Verify your machine serial number before ordering.

Specifications

• Part Type: Ring Gear (Internal Gear) - Final Drive / Travel Gearbox
• Weight: 46.5 kg (approx. 102.5 lbs)
• System: Planetary final drive gear set

Compatible Models

Komatsu PC200-6 Series (SN 80001-91086): PC200-6, PC200LC-6H, PC200LC-6J, PC200LC-6S, PC200-6L, PC200LC-6L (S/N A80001-A82000)

Komatsu PC210-6 Series (SN 80001-91086): PC210-6, PC210-6G, PC210-6K, PC210LC-6, PC210LC-6G, PC210LC-6K, PC210LC-6L, PC210LC-6LC

Komatsu PC220-6 Series (SN 80001-91086): PC220-6, PC220LC-6, PC220LC-6L (S/N A80001-A82000)

Komatsu PC230-6 Series (SN 80001-91086): PC230-6, PC230LC-6

Komatsu PC240-6 Series (SN 80001-91086): PC240-6K, PC240LC-6K, PC240NLC-6K

Replaces Part Number(s):

20Y-27-21180, 20Y2721180

New aftermarket replacement part - not remanufactured, not used.