J3039_202012 Definition and Measurement of Power Transfer Unit Speed-Dependent Parasitic Loss
Issued
12/30/2020
- Features
- Issuing Committee
- Content
- 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.
- Pages
- 12
- Citation
- SAE International Recommended Practice, Definition and Measurement of Power Transfer Unit Speed-Dependent Parasitic Loss, SAE Standard J3039_202012, Issued December 2020, https://doi.org/10.4271/J3039_202012.