Aspen’s EX-Series (Equipment Series) extreme duty trailers are equipment/machinery hauling trailers which primarily serve the construction & logging industries and are capable of both on road and off road applications. Configurations vary from payloads of 55 tons through 75 ton capacities, with axle configurations ranging from 9 through 11 axles (including truck axles). Aspen EX-Series trailers feature hydraulic removable necks with double drop, square or beaver tails. EX-Series trailers can be configured with a variety of components including various deck widths and lengths including custom options. The EX-Series trailers have common air/regulated air suspensions or a wheeler suspension (16 wheel or 24 wheel air ride suspensions) and can be integrated with a booster when required. Aspen’s EX-Series of trailers are available in specific regional configurations to maximize trailer configurations for specific regional regulations. A common Aspen trailer in this series is the Aspen Ironhorse trailer, specifically designed for the British Columbia market which has severe operating applications.