Validity
This Executive Order approved the specified parts on on September 15, 2009.
As of Friday, October 11th, 2024 this Executive Order has not been overturned or superceeded.
This Executive Order approved the specified parts on on September 15, 2009.
As of Friday, October 11th, 2024 this Executive Order has not been overturned or superceeded.
Models | Modification |
---|---|
2010 and older Tier 2 and Tier 3 off-road compression-ignition engines rated from 100 to 350 kW with displacements of 5 to 18.2 liters. This exemption does not apply to engines certified to Tier 1 emission standards or those engines originally equipped with an exhaust gas recirculation system. | The Allmetal diesel particulate filter consists of a diesel oxidation catalyst, an uncatalyzed metal filter, a pressure sensor, a temperature sensor, and an electronic controller. This exemption is valid provided the engines meet the following operating conditions: (1) the engine exhaust temperature is greater than 260 degrees Celsius for at least 25 percent of the typical duty cycle and (2) the engine is operated using ultra low sulfur diesel with a maximum sulfur content of 15 parts per million by weight. |