DESCRIPTION 2009 Trail King HG Series Extendable Lowboy Trailer (GP12128, Unit 20010), 2009 Trail King HG Series Model TK110HED-533 extendable lowboy trailer, CONC LOAD RATING: 90,000 lbs in 10 FT CLOSED, triple axle w/ Trai King Model TK22FA-051 flip up 4th axle (S/N 1TKS005139B076929), air ride suspension, pony motor, 275/70R22.5 tires, aluminum wheels, GVWR 139,960. Serial Number: 1TKB0533X9B076928 Notes: