The 4025 4,000-psi at 25-gpm waterjet trailer from US Jetting can be used for applications from general cleaning of small residential pipes 1 to 36 inches to flushing out large culverts. It uses a Hatz Tier 4 Final engine that is efficiently designed from the ground up. Not only does the engine consume less fuel, it is lighter, generates more horsepower, and can go longer between service intervals. 800/538-8464; www.usjetting.com.