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SAE J3039 (DEC2020)

Current Revision

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

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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.

SDO SAE: SAE International
Document Number J3039
Publication Date Dec. 30, 2020
Language en - English
Page Count 12
Revision Level 202012
Supercedes
Committee
Publish Date Document Id Type View
Dec. 30, 2020 J3039_202012 Revision