The VP Series service truck from Pac-Mac, a division of Hol-Mac Corporation, comes with a 2,500-gallon tank with 66 inches OD and 156-inch shell length (also available in 1,500, 3,000, 3,500, 4,200, 4,500 and 5,000 gallons), a 1/4-inch thick shell and 5/16-inch nominal thick...