If you are looking into full oilfield skid but it's a little out of your price range, Container Modification World has an inexpensive alternative for you.
The Quick Attach Container Skid helps with the rigging for oilfield winch tractors to safely load shipping containers. It has multiple connection points for different weights.
The 3/8" grade 8 chain connections holds up tp 11,000 lbs, and the 1/2" grade 8 chain connections holds up to 23,000 lbs. The steel cable hooks (dog ears for wire rope) holds up to 60,000 lbs
It can be permanently welded to corner castings, but it is designed to not interfere with container door swing. These are sold in sets of 2 (left and right).
