This Kenworth W900 is a test run for a 1/32 slot truck I want to build. I took a Fly truck chassis and cut it in half. Mounted the front section under the hood and the trimmed up the rest of the chassis and hot glued it to the frame of the model. The rear rear axle is on a swing arm so that when the truck goes to up or down an incline the rear axle will move and not cause it to high center. The rear rear axle sits a little close to the other axle when on level track but that is why this was a test run.