Beaver Motor Coaches Diesel pushers are the largest, most luxurious of the motorized RVs. The engine is located in the rear, hence the name "diesel pusher". This vehicle has awnings, Slide Out, Roof AC, Non Smoking, Leveler Jacks, 1998 Beaver Patriot-Monticello, 40 ft., leather couch and pwr adj cockpit seats, day/ night window shades, all solid walnut cabinetry, Corian counter tops, tile floors in kitchen and bath, qween-size.