FMCSA-ELD-395-Q071(2022-03-10)

Question: What is the commercial motor vehicle (CMV) power unit number?

Guidance: The power unit number is the identifier the motor carrier uses to identify the power unit. 
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Note: This guidance document does not have the force and effect of law and is not meant to bind the public in any way.  It is intended only to provide information and clarity regarding existing requirements under the law or agency policies.