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May the step be a rung? If so, what minimum diameter must the rung be?

Document
FMCSA-RG-399.207-FAQ04-ks-20200220.docx (23.1 KB)

Access requirements for truck and truck-tractor cabs

Part 399

§ 399.207 Truck and truck-tractor access requirements

Question 4: Question:

May the step be a rung? If so, what minimum diameter must the rung be?

Guidance: Yes, the step may be a rung. There is no minimum requirement for the diameter of a step rung. However, it must meet the performance requirements in § 399.207(b)(5).

Regulatory Topic: Access requirements for truck and truck-tractor cabs
Effective Date: Sunday, May 4, 1997
Issued Date: Friday, April 4, 1997