carpet cleaning van,butler..137,000 miles. 3800 hours on older Butler unit. Very high heat new belts new oil on the butler new spark plugs cap wire rotor button oil change on the van take it out tomorrow if you want will include a hundred feet of vacuum in a hundred feet of solution hose thank you for looking. On the right side of Muffler going into block one bolt is broken off I haven't had time to tap that bolt out and put a new one in other than that is it just a good old tank