Executive order
D-384-12
Engelhard Corporation
Vehicle applications
No vehicle applications were preserved for this order.
Part records
| Part number | Model/specification | Modification | Remarks |
|---|---|---|---|
| 2002 model-year Cummins ISX heavy-duty diesel engines | This exemption applies to engines originally certified with an exhaust gas recirculation system. | This exemption is only valid provided the engines meets the following operating conditions: (1) the engine exhaust temperature is greater than or equal to 225 degrees Celsius for 40-50 percent of the duty cycle and (2) the engine is operated using diesel fuel with a maximum sulfur content of 50 parts per million by weight. |