INDUSTRY’S FIRST EPA CERTIFIED SMARTWAY® TRAILER
Utility is unwavering in its commitment to be the most innovative trailer manufacturer. Reflecting this effort, the 4000D-X Composite™ was the first trailer to be EPA Certified SmartWay®. When you get a SmartWay® 4000D-X Composite™ (configured with proven fuel saving technologies) you not only get a light weight trailer that is built to outwork and outlast the competition, you also get a trailer that reduces emissions, increases fuel efficiency and improves the bottom line. These are true "win-win" benefits. Check out the EPA Certified SmartWay® 4000D-X Composite™ from Utility to find out how you can save some "green" and help the environment too.Fuel Efficient Options
Low-Rolling Resistance Tires
Both SmartWay® and CARB require the use of EPA/SmartWay® verified low-rolling resistance tires. Optional aluminum wheels can lower vehicle tare weight and increase fuel efficiency.
Utility Side Skirt 160 (USS-160)
SAE tested and SmartWay® verified to achieve greater than 5% fuel savings*
Utility Side Skirt 120 (USS-120)
SAE tested and SmartWay® verified to achieve greater than 4% fuel savings*Other aerodynamic devices may be available for factory installation



