[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR229.63]

[Page 433]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 229_RAILROAD LOCOMOTIVE SAFETY STANDARDS--Table of Contents
 
                      Subpart C_Safety Requirements
 
Sec.  229.63  Lateral motion.

    (a) Except as provided in paragraph (b), the total uncontrolled 
lateral motion between the hubs of the wheels and boxes, between boxes 
and pedestals or both, on any pair of wheels may not exceed 1 inch on 
non-powered axles and friction bearing powered axles, or \3/4\ inch on 
all other powered axles.
    (b) The total uncontrolled lateral motion may not exceed 1\1/4\ 
inches on the center axle of three-axle trucks.