Exclusive Lo-Rider™ Deck Gets Farm Equipment Under More Bridges and Overpasses. The Retriever’s curved deck creates the lowest loading angle of any similar product. Mounted between Retriever's bed and the truck's chassis to raise and lower the rear deck. Load and unload payloads up to 40,000 lbs. with the truck's engine turned OFF. Retriever can save from $1,500 to $3,000 annually per vehicle in maintenance expenses.