Designed to maintain system cleanliness in most general and light duty applications, Standard Efficiency Hydraulic Oil Filters are your first defense against component wear due to contamination. 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 Forest Products 539 Wheel-Type Loader 950G 966G 972G 972G II 950G II 962G 966G II 962G II 993K Off-Highway Truck 772G 773E 775D 773D 773G OEM 777F 770G OEM 777D 777G 777E 769D 775G OEM 775E 773GC 773F 770G 775F 770 775G 773G LRC 771D 776D 775G LRC 777B 773G 772 772G OEM Excavator 322-A N 320B L 325 L 322 L 325-A LN 320-A 325-A L 320-A L 320 L 322 LN 320-A S 330-A L 330-A 322-A L 320B N 345B 325-A 345B L 330 L 320B 325 LN 320B S 322B L 320-A N 322-A 322-A LN 322B LN 330 LN 325-A FM L 330B LN 320N 330-A LN 322N 345B II 330B L 330-A L