Nearly 50,000 Kenworth and Peterbilt tractors and more than 3,000 Volvo tractors are now included in a recall affecting trucks equipped with Cummins ISX15 or X15 engines, according to documents from the National Highway Traffic Safety Administration.
The recall stems from fuel lines potentially bursting if the fuel pump cooling circuit screen becoming restricted in certain driving conditions, such as on a long downhill grade. If the fuel line bursts, fuel could leak onto the road, and the engine could stall without warning. Daimler and Navistar have also announced recalls in recent weeks for the same issue.
Cummins will be