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ASTM D5579-05

Historical Revision

Standard Test Method for Evaluating the Thermal Stability of Manual Transmission Lubricants in a Cyclic Durability Test

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1.1 This test method covers the thermal stability of fluids for use in heavy duty manual transmissions when operated at high temperatures.

1.2 The lubricant performance is measured by the number of shifting cycles that can be performed without failure of synchronization when the transmission is operated while continuously cycling between high and low range.

1.3 Correlation of test results with truck transmission service has not been established. However, the procedure has been shown to appropriately separate two transmission lubricants, which have shown satisfactory and unsatisfactory field performance in the trucks of one manufacturer.

1.4 Changes in this test method may be necessary due to refinements in the procedure, obsolescence of parts, or reagents, and so forth. These changes will be incorporated by Information Letters issued by the ASTM Test Monitoring Center (TMC). The test method will be revised to show the content of all the letters, as issued.

1.5 The values stated in inch-pound units are to be regarded as standard. When materials, products, or equipment are available only in inch-pound units, SI units are omitted.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.6 This test method is arranged as follows:


SDO ASTM: ASTM International
Document Number D5579
Publication Date Nov. 1, 2005
Language en - English
Page Count 15
Revision Level 05
Supercedes
Committee D02.B0.03
Publish Date Document Id Type View
May 1, 2019 D5579-19E01 Revision
May 1, 2019 D5579-19 Revision
April 1, 2016 D5579-16 Revision
April 1, 2015 D5579-15 Revision
May 1, 2014 D5579-14 Revision
Oct. 1, 2013 D5579-13 Revision
Dec. 1, 2012 D5579-12A Revision
April 15, 2012 D5579-12 Revision
Oct. 1, 2010 D5579-10A Revision
May 1, 2010 D5579-10 Revision
Oct. 1, 2009 D5579-09A Revision
April 15, 2009 D5579-09 Revision
May 1, 2006 D5579-06 Revision
Nov. 1, 2005 D5579-05 Revision
May 1, 2004 D5579-04 Revision
May 10, 2003 D5579-03 Revision
June 10, 2001 D5579-01 Revision
June 10, 2001 D5579-00 Revision