For sale: class b / boise, id description: 2015 e-trek specifications length 22 ft 9 in ext width 6 ft 8 in ext height 9 ft 7 in int height 6 ft 3 in interior color tan hitch weight 750 lbs gross weight 11030 lbs cargo weight 2500 lbs fresh water capacity 33 gals grey water capacity 21 gals black water capacity 10 gals tire size lt215/85r16e furnace btu 16000 btu fuel type diesel miles 145 engine 3.0l crd v6 bluetec chassis mercede sprinter features: water capacity: 33 gal.