At one time we had a TD-14 bulldozer which started on gas and switched to diesel. Pop always thought the gas to diesel starting was a micky mouse setup until we bought this dozer. If you had batteries enough to turn that sucker over at -40 she would start. Had to burn about two gallons of gas to warm the thing up enough to run on diesel, but she always started when nothing else would. The system worked far better than the &quot;pony motors&quot; used by Caterpiller and John Deere. The Cat and Deere user always seemed to be breaking cranks in the pony motors. If you get the gas to Kero system working it should be a very good starting system.