Made in USA! 53' with 40' tub, 3/16" Hardox 500TUF tub, 2 speed landing gear, Electric roll over tarp with tarp lockout, Trailer mounted hydraulic flow control, Center mounted single lift ram, 385/65R22.5 and 275/70R22.5 tires, Super singles, Central grease system, Pogo stick, Bolt on rear push block, 59" spread 1-3 axles, 48" 3-5 axles, 57" spread 6the axle, 3 liftable/steerable and 3 fixed axles, Watson/Chalin lift axles, Clean unit!! ​SIDUMP'R SDR653-6049​