By powertrain I do mean the following: Engine: Make Model OR Type, H.P., Transmission, Tandem Or Single Axle, Rear
Ratio. What exactly are you going to do with the Conversion?? Is it A Toter?? Or Coach?? What are you going to tow?? How much weight?? After doing some quick searchs in my files I think what came up will work. What Country or State Are you in?? Do you have large truck driving experience?? Correct me if I am wrong please,I think I read that you are new to this??