This filter is widely used across Caterpillar heavy machinery equipped with Cat 3054, 3056, C4.4, and C6.6 engines.
Common equipment includes: ①Backhoe Loaders: 420E, 430E, 450E ②Track-Type Tractors (Dozers): D3K, D4K, D5K, D6K, D6N ③Wheel Loaders: 924H, 928H, 930H, 938H ④Motor Graders: 12M, 120M ⑤Excavators & Paving Compactors: Various models including CS54, CS56, CP64, and M313D through M322D wheeled excavators.








