Standard

SAE J678

Revised

Note: This standard has a new edition: SAE J678

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Abstract

Scope - This SAE Recommended Practice applies to speedometers, odometers, and speedometer drives typical of passenger vehicles, buses, and trucks used for personal or commercial purposes. The method of determining wheel revolutions per unit distance (3.1) and overall system design variation (3.3.3) are applicable to passenger cars only. Comparable recommendations for trucks and buses are under development. The data of tachometers is applicable to vehicular use, as previously described, and also to stationary and marine engines and special vehicles.

Document information

  • Standard from SAE_AC
  • Published:
  • Version: 0
  • Document type: IS