CAT305-172-1764 Top Roller for Caterpillar

1. Guaranteed Fit Models: Caterpillar 304, 304.5, 305.5, 304CR, 305CR mini excavators. Important Reminder: Not applicable to Caterpillar CCR series (undercarriage parts differ between C/CR/CCR series). Verified fitment, no modifications needed.

2. Part & Spec Info: Main part no.:172-1764; Alternate part no.:10C0176AY3 (Caterpillar dealer part no.); Core specs: Body Width 4 3/4 inches, Overall Length 7 1/4 inches, Shaft Diameter 1 1/8 inches, Body Diameter 3 1/4 inches. Assembly: Fully assembled (includes shaft, no extra assembly). Full undercarriage parts available.

3. Model Confirmation Tip: Confirm the machine is NOT CCR series before purchasing (critical for fitment). Verify appearance and parameters match. Grooved shaft version available: Part 265-7675 (for CCR series). Contact us for parameter verification if unsure.

1. Installation Guidance: Direct aftermarket replacement. Quantity equipped: 2 carrier rollers per machine (one on left, one on right). Installation position: Center of the top of the undercarriage system. Core function: Supports the track and prevents sagging. Fully assembled design for direct installation.

2. Maintenance Recommendation: Conduct routine inspections on the top roller for signs of wear or damage. To maintain the entire undercarriage effectively, it is advisable to examine the idler, sprocket, and bottom roller as a complete set. Replacing worn components uniformly is recommended to ensure the stable and smooth operation of the excavator system.

1. Quality & Craftsmanship: This product serves as a professional-grade aftermarket replacement, constructed from high-quality steel. Its structure is precisely engineered to meet OEM specifications, guaranteeing stable performance and reliable durability across various working conditions for mini excavators.

2. Related Supplies: One-stop procurement for Caterpillar 304/305 series (non-CCR) undercarriage parts: Top Roller (172-1764), Bottom Roller, Idler, Sprocket. Note: This part is NOT for CCR series—choose 265-7675 for CCR models. Meets maintenance needs of applicable models.