Vital All-Terrain Trailer Hitch for Simplicity ZT3000, ZT4000, Champion, Citation & Cobalt - Zero Turn Mower Fits Models: ZT3000, ZT4000, Champion, Citation & Cobalt Perfect For Factory Tube Bumper Mounting (Will Not Crush) Made in the USA, Guaranteed for Life! 3/4" Diameter Hitch Mount Hole Made of 1/4" Grade 50 Steel, Powder Coated High Gloss Red