BT 1120 – Mack RD Model Charge Air Cooler


The BT 1120 all aluminum charge air cooler is an exact fit, OEM replacement for 1987 – 1991 Mack RD Models with a variety of engine configurations. Manufactured in the USA using controlled atmosphere brazing, the epoxy-free core measures 30.5 inches from header to header, 25.55 inches from side to side, and 2.21 inches thick. Aluminum tanks are TIG welded to the core to provide the strongest possible bond and has a 4 inch inlet and outlet. Each unit is individually tested prior to shipping and guaranteed to be 100% leak free.

Core Measurements
Click for image
30.5 25.55 2.21
Additional Details
Inlet 4 inch
Outlet 4 inch
Matching Core BT 34-3