2015 Keystone Cougar Half-Ton 30' Trailer 279RKSWE, Retail at $41,231+, SUPER SALE for $19,995.00, Clean Title, Almost Brand New, Only 3K Miles, 2 Power Slide Outs, Can Sleep up to 6, Dual Battery Set Up with Solar Panels, Power Awning. From recreational camping to full-time living, this trailer provides everything a family needs. Fully ready to hit the road now.