Advanced Efficiency Hydraulic Oil Filters protect your system against accelerated wear with special filter media engineered to provide greater protection in moderate to severe applications. Cat Hydraulic Filters provide the best protection from contaminates and abrasives by keeping them from wearing down the tight tolerances within the high pressure hydraulic system. Cleanliness is the key to maintaining proper lubrication of your sensitive hydraulic system. SPECIFICATIONS Efficiency Rating: Advanced Efficiency COMPATIBLE MODELS Wheel Tractor-Scraper 623K LRC,623K,621K,621H,627H,623H,627K,621K OEM,627K LRC PIPELAYER PL83,PL72,PL87 TRACK-TYPE TRACTOR D6N XL,D6N OEM,D6T XL PAT,D6T XW,D9T,D6T XL,D6T LGP,D6T LGPPAT,D5R LGP,D6R LGP,D6N LGP,D8T,D6T XW PAT,D8R,D6N,D6R XL,D10T,D5R XL,D6R WHEEL DOZER 834H,824K,834K WHEEL-TYPE LOADER 972M,982M,980M,966K,994K,988H,966M,980K,972K,980K HLG,986H PETROLEUM PRODUCTS CX48-P2300 EXCAVATOR 320D FM,324D FM ARTICULATED DUMP TRUCK 740B,735C,735B,730C,745C,740C OFF-HIGHWAY TRUCK 770G,777G,775G OEM,773G LRC,773G OEM,772G,789D,773G,772G OEM,775G LRC,770G OEM,775G EARTHMOVING COMPACTOR 826K,825K,836H,836K