Standard Efficiency Filters are typically used on older machine models where tolerances are more forgiving. Cat Engine Oil Filters are designed to meet the needs of Cat engines by providing superior protection against particles that can make their way into the lubrication system during service or component wear. SPECIFICATIONS Efficiency Rating: Standard Efficiency COMPATIBLE MODELS Wheel-Type Loader 908H 906H 908 906 907H Skid Steer Loader 246C 267B 246B 277C 289C2 279C2 259B3 289C 299C 287B 287C 277B 252B 256C 257B3 236B3 268B 277C2 262B 287C2 242B3 297C 262C 272C 248B 279C 252B3 236B 262C2 Engine - Industrial C3.4 3044C