Ok will post some photos later when I get back from work. I will say when I had the heater out the truck And pulled apart I couldnt find any markings on the motor . But I did put my battery drill on the shaft and turned it over for like 5 minutes and it turns free connecting it directly too the 6 volt it turn but feebly , connecting it too 12 volts its like a leaf blower as I said I just wanted too know if they do move this much Air , was all really