ENGINE MAINTENANCE - Maintenance Schedule 2 32 Y53-1166-1G1 (08/2018) Maintenance Interval Miles Kilometers Hours Months A 37,000 60,000 1,125 6 B 75,000 120,000 2,250 12 (1 year) C 150,000 240,000 4,500 24 (2 years) D 225,000 360,000 6,750 36 (3 years) E 300,000 480,000 6,750 36 (3 years) F G 450,000 725,000 13,500 48 (4 years) H 600,000 965,000 18,000 72 (6 years) J 750,000 1,200,000 24,000 96 (8 years) Greater than 20% Idle Time A 25,000 40,000 750 6 B 50,000 80,000 1,500 12 (1 year) C 150,000 240,000 4,500 24 (2 years) D E 300,000 480,000 6,750 36 (3 years) F G 450,000 725,000 13,500 48 (4 years)