Mckenzie Pass Through Tunnel Dehydrator, come with two sets of carts and trays, CDS dryer, 1.3 Million BTU burner, 15 HP circulating fan, automated humidity control system, natural gas fired, double wall insulation, this unit is approximately 40 ft overall length and comes with approximately 900 trays. Door opening is 74" H X 60" W. 240/3Ph/60hz. - 40 Ft length X 10ft height X 5 ft width