Compliance Just Got Easier: Stay ahead of regulatory changes with instant notifications on updates that matter.

LEARN MORE

FREE TRIAL UPGRADE!
Thank you for investing in EnvironmentalHazmatHuman ResourcesHuman Resources, Hazmat & Environmental related content. Click 'UPGRADE' to continue.
CANCEL
YOU'RE ALL SET!
Enjoy your limited-time access to the Compliance Network!
A confirmation welcome email has been sent to your email address from ComplianceNetwork@t.jjkellercompliancenetwork.com. Please check your spam/junk folder if you can't find it in your inbox.
YOU'RE ALL SET!
Thank you for your interest in EnvironmentalHazmatHuman ResourcesHuman Resources, Hazmat & Environmental related content.
WHOOPS!
You've reached your limit of free access, if you'd like more info, please contact us at 800-327-6868.
CLOSE
 
 

ez Explanations

Spare fuses

RegSenseezExplanationFleet SafetyFederal Motor Carrier Safety Administration (FMCSA), DOTCMV Parts and MaintenanceParts and Accessories - Motor CarrierBest ResultsFocus AreaEnglishTransportationUSA

The Federal Motor Carrier Safety Regulations (FMCSRs) previously included a requirement related to spare fuses being carrier on commercial motor vehicles (CMVs). This requirement was removed effective April 20, 2026.

Scope

This requirement applies to CMVs operated in interstate commerce.

Regulatory citations

Key definitions

  • Commercial motor vehicle (CMV): A self-propelled or towed motor vehicle used on a highway, in interstate commerce, that meets any one of the following criteria:
    • Has a gross vehicle weight rating (GVWR) or gross combination weight rating (GCWR), or gross vehicle weight (GVW) or gross combination weight (GCW), of 10,001 pounds or more, whichever is greater; or
    • Is designed or used to transport more than 8 passengers ncluding the driver) for compensation; or
    • Is designed or used to transport more than 15 passengers (including the driver), and not used to transport passengers for compensation; or
    • Is transporting hazardous materials of a type or quantity which requires placarding.

Summary of requirements

Power units for which fuses are needed to operate any required parts and accessories must have at least one spare fuse for each type/size of fuse needed for those parts and accessories. Although this requirement was removed, it is a best-practice for any unit requiring fuses.

['CMV Parts and Maintenance']
['Parts and Accessories - Motor Carrier']
UPGRADE TO CONTINUE READING