Caterpillar 3K-2510 Dowel Pin

CAT 3K-2510 Dowel Pin is a precision dowel pin used as a reaction dowel in Caterpillar planetary transmission assemblies. Per CAT catalog entries, the pin has an outside diameter of 0.498 in (12.65 mm) and a length of 20.06 mm (0.79 in). This listing identifies it as a Planetary Transmission Reaction Dowel Pin, confirming its role in accurately locating and securing components within planetary gear sets. Typical applications include alignment of mating flanges or gear-set components inside Cat transmissions and related assemblies where exact positioning is critical for smooth engagement and load transfer. As a genuine Cat part with the 3K-2510 designation, it is intended for use with Caterpillar equipment that employs planetary transmission configurations and should be selected to match the corresponding bore and interface requirements specified by the machine model. When ordering, verify the pin dimensions (0.498 inch diameter, 20.06 mm length) and the 3K-2510 part number against your Caterpillar service data to ensure proper fit and function in the intended planetary assembly.