Does § 393.83 specify the type of exhaust system, vertical or horizontal, to be used on trucks or truck tractors?
Section § 393.83: Exhaust systems.
Guidance Q&A
Question 2: Does § 393.83 specify the type of exhaust system, vertical or horizontal, to be used on trucks or truck tractors?
Guidance: No.
Regulatory Topic:
Vertical vs. horizontal exhaust systems
Effective Date: Sunday, May 4, 1997
Issued Date: Friday, April 4, 1997