Dynomax: A proprietary chassis of Country Coach began in 1998 after Gillig left the RV market. Semi-monocoque, all-welded all-steel construction, including suspension mounting and adjustment, all IFS. A premium chassis with excellent ride & handling. Freightliner: A dependable chassis with a focus on price, like a Chevrolet. Freightliner got ... Part # SS100 Supersteer Steering Bell crank Freightliner XC / Safari Magnum Air Ride I-Beam. Description: Drivers of the Freightliner XC and Magnum motor home chassis often experience steering play and wander. The steering play can be attributed to the bell crank, or idler, which supports the steering linkage. Freightliner - MT55 available at low prices! We have a huge selection of high quality stepvan, walkin van, and food truck parts including brakes, exhaust, fuel tanks, lights, roll up door parts, and more! Get your Freightliner - MT55 today! Most orders shipped same day! Normal Air Bag Air dumping for leveling and RV