Ensure top performance and reliability in your Caterpillar transmission system with the CAT 115-4881 transmission steel planet gear (part number 1154881). Este 136.44mm steel planet gear is an OEM-grade component, specifically engineered for use in high-capacity Caterpillar 793 series off-highway trucks operating in the most demanding mining and construction environments.
Designed for superior load handling, torque distribution, and long operational life, this hardened steel planetary gear ensures smooth drivetrain operation and optimal power transfer under heavy-duty workloads.
Compatible CAT Models:
793C-ATY Off-Highway Truck
793C-4GZ Off-Highway Truck
793C-4AR Off-Highway Truck
793C-CBR Off-Highway Truck
793B-1HL Off-Highway Truck
793-3SJ Off-Highway Truck
Manufactured to Caterpillar’s exacting OEM standards, the 115-4881 planet gear is a critical part of the transmission assembly and can be installed as a direct replacement or during overhauls.
These part numbers refer to compatible or predecessor components for similar CAT transmission systems—offering flexible sourcing options and ensuring equipment compatibility.