Overall weight is about 12,000 lbs. Bob runs Goodyear 44x41x20 Super Terra tires with under 5 lobs of air pressure in them to carry all this weight. The result is a tire print that is gentler on the tundra than a human foot as the truck fairly floats over the surface. A unique, articulated chassis assures that Santanimal gets where its going with the least impact on the environment. A specially-designed chassis is hidden by aluminum plate.
Axles are really tubes that hide hydraulic pumps, servos, and lines.