Active standard | Published: 01/05/2025

SAE J3039

Definition and Measurement of Power Transfer Unit Speed-Dependent Parasitic Loss

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: SAE J3039

Publication date: 01/05/2025

Pages: 0

Country: American technical standard

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Anotation

This SAE Recommended Practice covers power transfer units (PTUs) used in passenger car and sport utility vehicles to support all wheel drive (AWD) operation. PTUs are typically full-time use geared devices (see 3.1). Some PTUs have additional features such as part-time on-demand capability via electronically actuated disconnect features, and other configurations are possible.

SUBFILE: Automotive
TYPE OF DOCUMENT: Ground Vehicle Standard

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