It might be a 2-71 but it is a DD with 12v electric start.
We strip off the welder, frame and hood and put it on a pallet with the radiator. You arrange a trusted international shipping company and they come pick up the pallet. The shipper needs a bill of sale legal to Mexico and Jabber Inc in the states plans on paying a small import tax to Uncle Sam on an "antique engine".
Money makes stuff cross the border. The shipping company will tell you how much.