Let us help you, help your customers. For a limited time, Single-Acting telescopic dump truck and trailer cylinders aggressively reduced in price as much as 55% off list. Telescopic Replacement Cylinders . . . in Stock and Ready to Ship! Available from 7 stocking locations: Blaine, MN * Benton, AR * Phoenix, AZ * Columbus, OH * Seattle, WA * Milton, ON * Monterey, Mexico. At Aggressive Hydraulics, we offer you the most popular replacement cylinders for the mobile truck equipment industry. Standard Dump Body and Refuse Cylinders are in stock at 7 locations. When it’s no longer cost effective to repair or you need a replacement cylinder NOW, Aggressive has the solution for you.