One New Aftermarket Replacement Spider and Bearing Group Fits Caterpillar (Fits CAT) Wheel LoadersThis aftermarket replacement Spider and Bearing Group (Fits CAT part number 1258810) is a drivetrain component used in the driveshaft assembly of Fits Caterpillar medium-to-large wheel loaders. The spider and bearing assembly connects driveshaft sections, transferring power from the transmission to the axles and enabling articulation of the driveshaft during machine operation.Specifications Dimensions: 7.87 x 7.87 x 3.15 in. Weight: approx. 7 lbs. Compatible ModelsFits Caterpillar Wheel Loaders: 950G, 950G II, 950H, 950K, 962G, 962G II, 962H, 962K, 966G, 966G II, 966H, 966K, 966M, 966M XE, 972G, 972G II, 972H, 972K, 972M, 972M XEFits Caterpillar Integrated Toolcarriers: IT62G, IT62G II, IT62HReplaces Part Number(s):1258810, 1258810-ANew aftermarket replacement part - not remanufactured, not used.