Exterior Length: 38' 10" Exterior Height: 157" Exterior Width: 102" Interior Height: 83" Wheelbase: 275" GCWR: 33,000 GVWR: 28,000 Freshwater Tank Capacity: 71.5 Engine: 6.7L CUMMINS ISB-340 Grey Water Tank Capacity: 40 Black Water Tank Capacity: 50