CAT303-193-7070 Top Roller for Caterpillar

1. Guaranteed Fit Models: Caterpillar 303 CR mini excavator. Verified through actual installation to match perfectly with model specs. No serial number restrictions and no modifications needed for installation.

2. Part & Spec Info: Main part no.:193-7070; Alternate part no.:193-7070 (Caterpillar dealer part no.);  Core specs: Body Width 110mm, Groove Width 8mm, Shaft Diameter 38mm, Total Length 173mm. Full undercarriage parts available.

3. Model Confirmation Tip: This top roller is exclusively for Caterpillar 303 CR mini excavator. No serial number verification required. Simply confirm the exact machine model is 303 CR to ensure fitment.

1. Installation Guidance: Direct aftermarket replacement. Quantity equipped: 1 carrier roller per side, 2 in total per machine. Installation position: Center of the top of the undercarriage system. Core function: Supports and guides the track, provides track tension support. Fully assembled design for direct installation.

2. Maintenance Recommendation: Benefiting from sealed design, it has maintenance-free service life. Regularly inspect for wear or damage. For overall undercarriage maintenance, check idler, sprocket and bottom roller together and replace worn parts uniformly.

1. Quality & Craftsmanship: Professional aftermarket replacement made of high-quality steel. Adopts fully assembled and sealed design, which ensures maintenance-free service life. Structure precisely matches OEM specs for stable operation and durability.

2. Related Supplies: One-stop procurement for Caterpillar 303C series undercarriage parts: Top Roller (193-7070), Bottom Roller, Idler, Sprocket and other core components. Fully meets the maintenance needs of 303 CR mini excavator.