Here’s a Cat 789B haul truck radiator we overhauled & delivered back to our customer. The 789B radiator is a folded core style unit that had a few sections plugged solid. We did a rod & repair to each individual folded radiator core section before reassembling the radiator & pressure testing it. Motor Mission Machine & Radiator5435 Desert Point Dr.Las Vegas, Nv.  89118Ph: (702) 649-2366 or (702) 649-0648Fax: (702) 649-4133