Specifications for 386-0785 Top Roller Assembly

PRODUCT DESCRIPTION

The 386-0785 Top Roller Assembly is a professional aftermarket replacement Top Carrier Roller designed for Caterpillar mini excavators, ensuring precise fit and stable operation. Its core applicable models are as follows:

Caterpillar 302.4D Mini Excavator
Caterpillar 302.7DCR Mini Excavator 
1. Alternate Part Numbers
This top roller assembly is compatible with genuine Caterpillar parts, and the corresponding dealer-designated part number is: 386-0782
Note: 386-0782 is identical in function and matching range to 386-0785. You can choose flexibly based on inventory availability during procurement, with no need to worry about model compatibility issues.

2. Verified Applicable Models
Verified through actual installation, both the main model (386-0785) and the alternate part number (386-0782) can stably fit the following Caterpillar models:
Caterpillar® 302.4D
Caterpillar® 302.7DCR

3. Related Undercarriage Parts for Caterpillar 302.4D / 302.7DCR
If you need to perform overall maintenance on the undercarriage system or replace parts of Caterpillar 302.4D and 302.7DCR excavators, you can refer to the following matching part numbers (Note: Specific compatibility must be further verified based on the equipment’s actual serial number and manufacturing year):
Idler: 379-2885 or 386-0728 (to be confirmed by checking equipment parameters)
Sprocket: 386-0584
Top Roller: 386-0782 (interchangeable with 386-0785)
Bottom Roller: 386-0791