Commonwealth Railways HGM power van
GMDD prime mover (x3) - power up, idle, under load, power down
Cycle times controlled via SoundCVs - user adjustable
CR HGM power van Full Throttle sound project
You will need access to a LokProgrammer to read out the specific serial number of your decoder (e.g. FFDA1B2). Email the serial number to us, specifying if the decoder is a V5 or V4 and if it's a Standard or Micro size, and we'll send you the sound project (usually <12 hour turnaround).