Features built-in multiple airhorns and diesel effects.
 
For prototypes built with turbocharged EMD 710 prime mover (often refered to as the third generation) including the GP59, GP60, GP60M, SD60, SD70, SD70MAC and more. Air horns include Wabco E2; Leslie S2M, S3L, RS3L, S5T, RS5T; Nathan K3L, K3LA, K5LA, M3, M5, P3, P5 (Modern); Holden M3H and K5H.