This document provides a means for evaluating the drivetrain of the passenger car@ van or light duty truck being towed under a variety of road conditions. The towing equipment used is explained in SAE J1142. NOTE: For the purpose of this document@ the drivetrain refers to the combination of a specific transmission (make@ model@ size@ type)@ a specific differential assembly (make@ model@ size@ type)@ and a specific driveline@ if required. NOTE: The glossary as included in Section 6 of SAE J1142 will be used in conjunction with this document.