HDV Idling Documents and Links

    Memorandum of Agreement         (PDF)



    See also:  



Contact Information:

email: info@engineoff.org
phone: 512-343-SMOG (7664)







Engine off is a service of:




                                                                                                

 
  Regulated Vehicles

In general, vehicles in federal vehicle identification number (VIN) gross vehicle weight classes 4,5,6,7 or 8 weigh over 14,000 pounds and are subject to the 5 minute idling restrictions unless one or more of the regulation’s exceptions apply.  The regulation does not apply to heavy equipment not required to be licensed as a vehicle, such as construction equipment. 

VIN Gross Vehicle Weight Classes

Class 4 (14,001 to 16,000 pounds)

Class 5 (16, 001 to 19,500 pounds)

Class 6 (19,501 to 26,000 pounds)

Class 7 (26,001 to 33,000 pounds)

Class 8 (33,001 to 150,000 pounds)

Delivery trucks, service body trucks such as utility trucks, beverage trucks, school buses, bucket trucks, rack trucks, some large motor homes, home-fuel trucks, garbage trucks, tow trucks, furniture trucks, transit buses, inter-city tour buses, tanker trucks, dump trucks, tractor trailer rigs 

Class 4

Class 5 

 


Class 6

Class 7

Class 8

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