Code of Federal Regulations (Last Updated: November 8, 2024) |
Title 49 - Transportation |
Subtitle B - Other Regulations Relating to Transportation |
Chapter II - Federal Railroad Administration, Department of Transportation |
Part 229 - Railroad Locomotive Safety Standards |
Subpart C - Safety Requirements |
Suspension System |
§ 229.63 - Lateral motion.
Latest version.
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§ 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 11⁄4 inches on the center axle of three-axle trucks.