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SAE J2985

Definition and Measurement of Transfer Case Speed-Dependent Parasitic Loss

STANDARD published on 1.12.2024

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The information about the standard:

Designation standards: SAE J2985
Publication date standards: 1.12.2024
Country: American technical standard
Category: Technical standards SAE

Annotation of standard text SAE J2985 :


This SAE Recommended Practice covers transfer cases used in passenger car and light truck applications. Transfer cases are of the chain, geared, manually and electronically shifted types although other configurations are possible. The operating points (speeds, temperatures, etc.) were chosen to mirror those of the United States Environmental Protection Agency Vehicle Chassis Dynamometer Driving Schedules (DDS).

SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard