RV Dealer & Used RVs Texas | Motor Home SpecialistsMotor Home Specialist (MHSRV) is the #1 Motorhome Dealer in the World. We carry new RVs from Coachmen, Dynamax, Entegra Coach, Forest River, and much more.Motor Home Specialist (MHSRV) is the #1 Motorhome Dealer in the World. We carry new RVs from Coachmen, Dynamax, Entegra Coach, Forest River, and much more.