This product is compatible with various equipment models. For Excavators, it is compatible with 320E, 320E L, 320E LN, 320E LRR, 320E RR, and 323E L. It is also compatible with Industrial Engine C6.6, Knuckleboom Loaders 2384C, 2484C, 559C, and 579C. Additionally, it is compatible with Track-Type Tractors D6K2 LGP, D6N LGP, and D6N OEM, as well as Wheel Loaders 924K, 930K, and 938K with Caterpillar Engine Model C6.6.This product is specifically designed for applications with the following equipment models: 2384C, 2484C, 320E, 320E L, 320E LN, 320E LRR, 320E RR, 323E L, 559C, 579C, 924K, 930K, 938K, D6K2 LGP, and D6N LGP. It features a front seal with part number 2773013 and a rear seal with part number 2920886.Ensure optimal performance and compatibility for your equipment with this high-quality product. Upgrade your machinery with confidence, knowing that it is specifically designed for these compatible models. Shop now and experience superior performance and durability.