The bushings in a 336D serve several critical mechanical functions:
To Provide a Durable Bearing Surface: The primary function of a bushing is to create a hard, wear-resistant surface between the pivot pin and the softer metal of the linkage arms (e.g., the boom, stick). During digging and lifting, the pin rotates within the bushing, and the bushing absorbs the wear, protecting the more expensive and structurally critical linkage components.
To Facilitate Smooth Articulation: Bushings enable the controlled and smooth pivoting movement of the excavator's front linkage. This smooth articulation is essential for precise control over the bucket, allowing for efficient digging, lifting, and grading operations.
This 236-6276 bushing is used for 330C excavator.






Related part number:
7Y-4660
7Y-4669
7Y-4672
7Y-4695
9X-3601
188-4217
188-4218
191-5555
192-8316
242-6833
250-2420
236-6276
167-2217
167-2483
170-9864
188-4216
095-1633
114-0760
7Y-4673
7Y-5215
242-6840












