TRUCK CARRIER: The unit shall be as normally offered by the manufacturer to include, but not be limited to, the following minimum requirements: 2.1. Shall be mounted on a heavy-duty, 4 x 2 truck carrier. 2.2. Truck carrier frame shall be all steel welded construction as normally furnished by manufacturer. lb 2.3. Gross vehicle weight rating, minimum 33,000 pounds. lb 2.4. Front axle gross weight rating, minimum 12,000 pounds. lb 2.5. Rear axle gross weight rating, minimum 23,000 pounds. lb 2.6. Wheelbase shall be a minimum 178 inches. in 2.7. Truck carrier (with upper structure in transport position) not to exceed maximum legal width of 102 inches. in 2.8. Heavy-duty leaf type spring suspension on front axle, with automatic lockout cylinders as normally provided by manufacturer to automatically engage and disengage on remote travel.