Compressor ID Question

[Black Jack]

Ok so I managed to pick this up recently and I'm still trying to figure out exactly what I've got. Any ideas? I've been looking through photos and manuals with no luck. The previous owner was not sure either and it does not appear to be like the Makos or Bauers that I've seen before but this one is old. Any help would be greatly appreciated.

TIA

Ed

 

[windyairman]

Hi
Its a coltri either a MCH13 or MCH 16.

 

[Black Jack]

Thanks so much, I appreciate it.