Standard S4
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National Association of S Gaugers, Inc.
Engineering Group

Standard S4:   Wheels - Standard  Gauge

Check Gauge maxmium

Kmax

0.839"                   21.32mm

Back to Back minimum

Bmin

0.800"                   20.32mm

Tire Width minimum

Nmin

0.108"                   2.74mm

Flange Depth maximum

Dmax

0.030"                   0.76mm

Notes:

  1. For further information on Track & Wheels, see NASG Standard S3 & S4 Help File.
  2. Recommended Wheel Contour is NMRA RP-25 code 110.
  3. Adopted by the NASG - September 1998.

  Drawn by Randy Wilson - 27 December 1995

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