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SAE J1621

2012 Edition, July 1, 2012

Complete Document

Engine Retarder Dynamometer Test and Capability Rating Procedure

Includes all amendments and changes through Stabilization Notice (No longer revised / updated) , July 2012


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Product Details:

  • Revision: 2012 Edition, July 1, 2012
  • Published Date: July 2012
  • Status: Active, Most Current
  • Document Language: English
  • Published By: SAE International (SAE)
  • Page Count: 9
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

The SAE Recommended Practice has been adopted by SAE to specify: a.

a basis for net engine retarder power rating

b. Reference inlet air test conditions

c. A method for correcting observed engine retarder power to reference conditions

d. A method for determining net engine retarder power with a dynamo meter

Field of Application-This test code document is applicable to engine exhaust retarders on four-stroke compression ignition (CI), with and without change air cooling. This document does not apply to Aircraft, marine, spark ignition (SI), two-stroke compression ignition (CI) or mechanical super-charged ignition engines, compression release retarders, or combination exhaust and compression release brakes.

Rational- This document has been reaffined to comply with the SAE 5-Year Review policy.
AIA/NAS Aerospace Standards