The description of this truck may be Medium, but SVI Medium Rescues are anything but built Medium, with a heavy duty 2" x 6" x ¼" aluminum or 2" x 4" x 11 ga. stainless steel subframe and 1/8" or 3/16" aluminum or 12 ga. stainless steel formed sheet metal construction. Medium Rescues are typically built on Medium Duty 2-door, extended cab, or 4-door, 4 x 2 or 4 x 4 Commercial Freightliner, or Navistar cab/chassis in body lengths from 14' to 20'. Body styles can be walk-around, or walk-in styles or combination of both. Add roof top storage compartments accessed by rear stairway or ladder for even more storage.