Standard Efficiency Engine Air Filters are your best value for normal duty applications providing larger capacity and quick servicing. You can't control the environment you're working in, but you can keep your engine working longer by keeping the air inside clean. Cat Engine Air Filters are designed to meet strict standards and provide the best protection for your Cat engine. SPECIFICATIONS Efficiency Rating: Standard Efficiency Primary vs Secondary: Secondary Seal Type: Radial Seal COMPATIBLE MODELS Earthmoving Compactor 825C 826C 826G 825G Challenger 75E 70C 75C 65E 65C 65D 75D Wheel-Type Loader 980F 980G 980F II Engine - Generator Set 3306B 3306 Petroleum Products C7 Wheel-Type Skidder 545 535B 525B Track-Type Loader 963C 953C 973 963 973C 963B Engine - Industrial 3306 3306B C7 SPP101 3126B Articulated Dump Truck D25D D350E II D400E D250E II D350E D250E D300E D350D D300E II D30D Road Reclaimer RM-300 Motor Grader 163H 14H 140H NA 160H NA 12H 135H 120H 163H NA 160H 140G 160H ES 140H ES 140H 143H 14H NA 12H ES 16G 12H NA 16H NA 16H Forest Products 539 Wheel Dozer 824G 824C Excavator 385C Pipelayer 572R II 572R 578 Marine Products C18 Wheel Tractor-Scraper 623E 637D 621F 637G 623B 627F 623F 621E 621B 627G 627E 637E Track-Type Tractor D7R D7H 7 D7R II 8 D8N D7G2 7S 57H 7A 7U 8A D7E 8SU D6G D6G SR 8U 7SU D6F SR D6E D7G