En Caterpillar 117-1005 Planetary Gear 1171005, a 29-teeth gear engineered for optimal performance under high-load conditions. Designed to meet OEM specifications, this planetary gear ensures seamless compatibility and long-lasting performance across a wide range of Caterpillar off-highway trucks, including the 785C, 785D, 785G, 784B, 784C, 789B, 789C, and 789D series. Whether used in mining, heavy construction, or earthmoving, the 117-1005 planetary gear delivers exceptional resistance to wear and shock loads. Caterpillar’s precision engineering guarantees minimal downtime, easy integration, and reliable support for your machine’s drivetrain system. For efficient part replacement and streamlined maintenance, this gear is compatible with a wide variety of related parts and gear assemblies.