The Caterpillar D10T is a large track-type tractor engineered for demanding applications in heavy construction, mining, quarrying, and land clearing. Introduced around 2004, it represents a significant evolution of the legendary D10 series, incorporating ACERT technology for enhanced power, fuel efficiency, and emissions compliance. This machine is renowned for its robust durability, designed to withstand extreme operating conditions and deliver extended service life. Its engineering prioritizes a balance of substantial power output and optimized fuel economy, aiming to minimize operating costs per unit of work. Key features include a powerful Caterpillar C27 ACERT V-engine, an electronically controlled planetary gear transmission for smooth shifting, and a ROPS/FOPS compliant operator station designed for safety and comfort.

This Parts Manual provides comprehensive information essential for the identification and ordering of replacement parts for the Caterpillar D10T track-type tractor. It covers all major systems, including the engine, powertrain, undercarriage, hydraulics, operator station, chassis, and electrical system. Within each system, detailed exploded views, part numbers, and descriptions are provided to facilitate accurate part identification and lookup. The manual also offers visual guidance for component installation and includes supersession data where applicable. Its primary purpose is to assist owners, mechanics, and technicians in maintaining the integrity and operational readiness of the D10T by ensuring the correct parts are sourced and utilized for repairs and replacements.