For your 2015 International Prostar I recommend the Buyers Products Weld-On Pintle Hitch Plate # 3371809027A. The plate dimensions are 25-1/2" tall x 34-1/2" wide x 3/4" thick. It is a fabricators hitch plate so you will need to take it to a certified welder or fabricator for installation. This is the best option since there are no custom fit hitch plates for your truck. view full answer...
You are going to want to use the Hayes Air Actuated Trailer Brake Controller # HA100400C on your 2018 International LT625. With this brake controller it will tie into your existing air lines for your brakes and use the pressure in the air lines to proportionally match the braking force applied to the electric trailer brakes.
The only connections you will need to make are for the Air Line # RM450700, and electrical connections. The white wire from the Hayes controller will go to a 12 volt... view full answer...