Beavertail Drop Deck Trailer (DTL-2100) and Extreme Duty (DTL-3000) feature the "level-deck" Beavertail ramp system. The standard system has a level-deck at the rear and adjustable, spring-assisted ramps that slide from side-to-side. The DTL-2100 has a beam capacity of 60,000 pounds in a 10-foot area, or 55,000 pounds in a 4-foot area. The DTL-3000 has an 85,000-pound beam capacity in a 10-foot area, or 80,000 pounds in a 4-foot area. Each ramp has a loading capacity of 10,000 pounds. The Beavertail is equipped with Hendrickson Quick-Align air-ride suspension, and the trailers feature a special wiring system to protect against corrosion from moisture.