Approval Details

Valid E.O.


This Executive Order approved the specified parts on on September 11, 2002.
As of Wednesday, February 28th, 2024 this Executive Order has not been overturned or superceeded.

Approved Parts

1991-2001 model-year Caterpillar 3208, 3116, 3126, 3306, 3406, C10, C12, C15, and C16 diesel enginesThe exemption is limited to 4-stroke diesel engines originally certified to meet 0.10 g/bhp-hr or lower PM emission standard. The exemption is only valid provided the engines meet the following operating conditions: (1) the engine exhaust temperature is greater than 300 degrees Celsius for at least 10 percent of the typical duty cycle and (2) the average engine exhaust temperature is at least 250 degrees Celsius. The engines can be operated using standard California diesel with a maximum sulfur content of 500 ppmw.

This Executive Order may be listed as:
  • C.A.R.B.E.O. D-384-8
  • Executive Order 384-8 / D384-8
  • ARB # D-384-8
  • Executive Order No: D-384-8
  • C.A.R.B. No. D-384-8
  • Resolution D-384-8
For Free CARB Executive Order Status verification, email an image of the device Executive Order label as well as the Year/Make/Model and Test Group # of the vehicle to [email protected]

Download: Executive Order D-384-8 PDF

D-384-8 Document:

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