Six treads -- the AAR standard, the standard with a drop-off taper, cylindrical with a drop-off taper, a modified Heumann contour, an unbalanced worn tread and a balanced worn tread -- were put through a battery of tests by Griffin engineers during a 13-day period last year. Scene of the testing was a 20-mile stretch of Burlington Northern trackage.

  • Corporate Authors:

    Simmons-Boardman Publishing Corporation

    P.O. Box 350
    Bristol, CT  United States  06010
  • Publication Date: 1971-11

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00052091
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Apr 26 1974 12:00AM