Volterra ZSL Request Demo SPEC SHEET (.pdf) Volterra ZSLMore Info Coming Soon! Rugged Reliable Resilient Clean headframe optimizes serviceability and performance, and keeps hydraulic and electrical components protected. Built with AR450 abrasion-resistant steel and arms rated to lift up to 10,000 pounds, this truck doesn't quit! Tailgate CNG is available for the Atlantic in 60, 75, 90 and 105 DGE capacities, as well as other CNG configurations. Previous slide Next slide