For sale: 2007 Sandpiper 39sp toy hauler by Forest River toy haulers 5th wheels / phoenix, az description: features: dry weight: 8,200 lbs. Hitch weight: 975 lbs. Length feet: 39 sleeping capacity: 8 no. Of slide-outs: 2 fresh water capacity: 102 gal. Gray water capacity: 70 gal. Black water capacity: 35 gal.