1W4738 Brg Sleeve Fits Caterpillar Models

One New Aftermarket Replacement Bearing Sleeve for Caterpillar (Cat) Construction Equipment

This aftermarket replacement bearing sleeve (bushing) fits the rear gear group of Caterpillar heavy equipment powered by the 3176C, 3306, and 3406 engine families, as well as select articulated trucks and motor graders. The sleeve reduces friction between the gear and surrounding components, supporting smooth gear movement under heavy loads and high-pressure operating conditions.

Compatible Models

Caterpillar Articulated Trucks: D350E II, D400E II

Caterpillar Cold Planer: PM-465

Caterpillar Engines: 3176C, 3306, 3406

Caterpillar Track-Type Tractors (Bulldozers): D6, D6H, D6H II, D6H XL, D6H XR, D6R, D6R II, D6R III, D6R LGP, D6R STD, D6R XL, D6R XE, D6GC, D6T, D6T LGP, D6T LGPPAT, D6 56, D6 56H, D6 57, D6 57H, D6 6, D6 6A, D6 6S, D6 6SU, D6 7, D6 7A, D6 7S, D6 7S LGP, D6 7SU, D6 7U, D6 8, D6 8A, D6 8SU, D6 8U

Caterpillar Motor Graders: 120M, 120M 2, 12M, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 16M

Caterpillar Articulated Dump Trucks: 735, 735B, 740, 740B

Caterpillar Excavators: 235B, 365C, 365C L, 365C L MH, 374D L, 374F L, 375, 375 L, 385B, 385C, 385C FS

Replaces Part Number(s):

1W4738, 1W-4738

New aftermarket replacement part - not remanufactured, not used.