I myself (Hybrid) will be using Maya, and TwistedDragon33 will be using Lightwave to model (as we all know, Twisted is working on getting Maya SOON).
A wireframe must be posted atleast once a day, to show progress. The Final Render must be Polygons, but you may use any other type to start out with.
Here is what the object looks like, as Im pretty sure most of you have no idea what it is
Alittle backround info: the truck is use to steer the skateboard, and attaches the board to the wheels. A truck consists of the following: a Hanger, a Baseplate, a Kingpin, and two bushings (often called "Doh-Dohs").