7Y1563 Gear & Bearing Group for Caterpillar

7Y1563 is a gear and bearing group used on Caterpillar equipment, including Caterpillar excavators and equipment identified in the catalog as Caterpillar engine-machine applications. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed under the equipment manufacturer brand Caterpillar and is assigned to the excavator gears category. The assembly identification is Gear & Bearing Group, with SKU 7Y1563. The available application data specifies Caterpillar machinery and does not provide a separate component-level breakdown of the gear and bearing group.

Fitment

• Caterpillar 3116
• Caterpillar 320
• Caterpillar 320 L
• Caterpillar 320N

The catalog application describes the part for Caterpillar engine-machine equipment and Caterpillar excavators. The model information supplied for this item includes the 3116, 320, 320 L, and 320N designations. Final installation should be checked against the machine model, serial number, and the part number removed from the equipment.

Cross-reference numbers

The number 7Y1563 is used as the identification number for the Caterpillar equipment part and as the corresponding CTP aftermarket number in the supplied catalog data. No additional supplier numbers or separate replacement numbers are specified for this gear and bearing group.

Specifications

The listed dimensions and weight refer to the product data supplied for the complete gear and bearing group. The source information does not specify the individual gear material, bearing type, tooth count, bore size, thread parameters, mounting position, or the number of separate components included in the group.

Compatibility information for this part is limited to the Caterpillar applications and model designations listed above. When ordering or installing the component, the 7Y1563 number should be compared with the machine documentation and the identification marking on the existing gear and bearing group.