Engines: 2.8 CNG; 45 C 14; 50 C 17; 40 C 17; 40 S 17; 35 C 17; 35 S 17; 50 C 15; 40 C 15; 50 C 14; 40 C 14; 35 C 14; 40 C 13; 35 C 12 V; 35 S 12 V; 35 S 15 V; 35 C 15 V; 50 C 13; 50 C 11; 35 S 13 V; 35 C 13 V; 35 S 11 V; 35 C 11 V; 35 S 9 V; 35 C 9 V; 50 C 11 Natural Power; 40 C 10; 35 C 14; 35 S 14; 35 C 9; 35 S 9; 35 C 12; 35 S 12; 35 C 10 V; 35 S 10 V; 35 C 15; 35 S 13; 35 C 13; 35 S 11; 35 C 11; 35 S 9; 35 C 9; 35-8; 49-12; 49-10; 35-12; 35-10; 150.35; 160.65; 160.55; 160.35; 120.65; 120.55; 120.35; 140; 90; 110; 130; 49-12 V; 40 C 17; 50 C 17; 40 C 15; 50 C 15; 35 S 14; 50 C 14; 35 S 13; 40 C 13; 50 C 13; 40 C 11; 50 C 11