3406B Cat engine, approx 150k on Butler Cat overhaul. 15 speed against dash. New rear brakes and 2 new drums. Fresh overhead and service. Have service records since I purchased the truck. Steerable silent drive lift axle. Tanker wet kit. Can remove wet kit and lift axle if buyer dont want it. Mi will go up as Im running it every day. $51,500 Call or text 417-318-1291