2019 Jayco Seneca 37K is a Super C diesel motorhome built on a Freightliner S2RV chassis with a 360-hp Cummins engine. It features a bath-and-a-half floor plan, residential-style amenities such as a convection microwave and a GE refrigerator, and a rear king-size bed with storage. Key features include an L-shaped sofa, an overhead bunk, and the  Jayco JRide® Premium  handling system for enhanced stability and comfort during trave