Classic 300D Perkins Maintenance Kit (Welder Codes 10545, 10546, 10911, and 10927) This is a CLASSIC 300D Perkins Maintenance Kit. This configuration is defined below. For Welder Codes 10545, 10546, 10911, and 10927  the kit contains:    1 - Oil Filter BW1029    1 - Air Filter BW1885    1 - Drive Belt BW1901    1 - Fuel Filter BW656