2013 Sundowner Horse Trailer 40 3H Slant, 40 Foot Sundowner Horse Trailer, 3 Horse Slant, 16 Foot Shortwall, Central Heat, Central AC, Full Bath, Full Kitchen, Onan 6.5 Quiet Diesel Generator w/ TWO Fuel Tanks. Original MSRP was $105,000. Prior owner removed the stalls and used the back for a small SUV. Stalls have been reinstalled to original state. There have never been any horses in this trailer. Smells new. Don't miss out. Under 70K on this one is a Rare Find.