9W4381 Track Nuts for Caterpillar Equipment

9W4381 is a track nut used in the undercarriage of Caterpillar construction and forestry equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The 9W4381 track nut is listed for the following Caterpillar equipment models and machine series:

• Excavators: 325C, 330, 330 FM L, 330 L, 330B, 330B L, 330C, 330C L, 330C MH, 330D L, 345B, 345B L, 345D, 350, 350 L.
• Mobile hydraulic power units: 330D, 345C L, 349D L.
• Shovel loggers: 345C.
• Track feller bunchers: 521B, TK1051.
• Track loaders: 963B, 963C, 963D.
• Track skidders: 527.
• Track-type tractors: D6H XL, D6R, D6R II, D6R III, D6R STD, D6T, D6T LGP, D6T LGPPAT, D6T XL.

Fitment is specified for the Caterpillar models listed above. Machine configuration and production version should be checked against the part number before installation.

Specifications