Engine And Engine Cooling, Engine, Diesel December 18, 2008 NHTSA recall 08V684000 3 units FERRARA RECALLED 3 FIRE TRUCKS EQUIPPED WITH CATERPILLAR ENGINES. THE EXTENSION PIPES ATTACHED TO THE AFTERTREATMENT REGENERATION DEVICE (ARD) MAY DEVELOP A HOLE, AND HEAT AND FLAME MAY ESCAPE DURING A REGENERATION… Full recall details: the risk and what to do →