20Y-26-22131 Gear Fits Komatsu Models

One New Aftermarket Replacement Swing Motor Sun Gear for Komatsu Excavators

This aftermarket replacement swing motor sun gear fits the swing drive reduction assembly on Komatsu PC200-series and related excavators. The sun gear is the central input gear in the swing motor planetary reduction unit, transmitting rotational force from the swing motor to drive controlled upperstructure rotation. Replaces OEM part number 20Y-26-22131 (supersedes 20Y-26-22130).

Specifications

• Teeth: 27
• Inner Diameter: 76 mm
• Outer Diameter: 72.5 mm
• Height: 16 mm
• Assembly: Swing Motor Planetary Reduction

Compatible Models

Komatsu PC200 Series: PC200-6, PC200-6B, PC200-6H, PC200-6J, PC200-6S, PC200-6Z, PC200CA-6, PC200LC-6, PC200LC-6B, PC200LC-6H, PC200LC-6J, PC200LC-6LE, PC200LC-6S, PC200LC-6Z, PC200LL-6, PC200SC-6, PC200SC-7-M1

Komatsu PC210 Series: PC210-6, PC210-6D, PC210-6G, PC210-6K, PC210LC-6, PC210LC-6G, PC210LC-6K

Komatsu PC220 Series: PC220-6, PC220-6Z, PC220LC-6, PC220LC-6LE, PC220LC-6Z, PC220LL-6, PC220SE-6

Komatsu PC228 Series: PC228US-1, PC228US-1T, PC228US-1-TN, PC228US-2, PC228US-2J, PC228USLC-1, PC228USLC-1-TN, PC228USLC-2, PC228USLC-2J, PC228UU-1, PC228UU-1-MO, PC228UU-1-TN

Komatsu PC230/PC240 Series: PC230-6, PC230LC-6, PC240-6K, PC240LC-6K, PC240NLC-6K

Komatsu PC250/PC270/PC290 Series: PC250-6, PC250HD-6Z, PC250LC-6, PC250LC-6LE, PC270LC-6LE, PC290LC-6K, PC290NLC-6K

Replaces Part Number(s):

20Y-26-22131, 20Y2622131, 20Y-26-22130, 20Y2622130

New aftermarket replacement part - not remanufactured, not used.