Aspen’s MF-Series (Mining Series) fixed neck trailers are designed for mobile (self-propelled) mining equipment or crane loaded payloads which primarily serve the mining and are for off road, extreme duty applications. Configurations vary from payloads of 100 tons through 150 ton capacities, with an axle configurations of 5 axles (including truck axles). Aspen MF-Series trailers feature fixed neck single drop decks with a beaver tail rear frame. The MF-Series trailers have 8 wheels across per line, walking beam “trunnion” suspensions. Aspen’s MF-Series are designed to interface with a customer’s specific prime mover (tractor).