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SAE J2177

Chassis Dynamometer Test Procedure - Heavy-Duty Road Vehicles

STANDARD published on 1.3.2026

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The information about the standard:

Designation standards: SAE J2177
Publication date standards: 1.3.2026
Country: American technical standard
Category: Technical standards SAE

Annotation of standard text SAE J2177 :


This SAE Recommended Practice has been adopted by SAE to specify:

A standard procedure for chassis dynamometer testing of heavy-duty road vehicles for the purpose of determining power delivered through the drive tires.


A method of correcting observed power to reference test conditions.


A method of analyzing the test data to determine if the test results are within expected power ranges.

SUBFILE: Commercial Vehicle
TYPE OF DOCUMENT: Ground Vehicle Standard