Regulations last checked for updates: Nov 26, 2024

Title 40 - Protection of Environment last revised: Nov 22, 2024
§ 205.55-3 - Configuration identification.

(a) A separate vehicle configuration shall be determined by each combination of the following parameters:

(1) Exhaust system configuration. (i) Single vertical.

(ii) Dual vertical.

(iii) Single horizontal.

(iv) Dual horizontal.

(2) Air induction system (engine). (i) Natural.

(ii) Turbocharged.

(3) Fan. (i) Diameter.

(ii) Drive.

(a) Direct.

(b) Thermostatic.

(iii) Max fan rpm.

(4) Engine manufacturer's horsepower rating.

(5) Cab characteristic. (i) Sleeper.

(ii) Non sleeper.

(6) Category parameters listed in § 205.55-2.

authority: Secs. 6, 10, 11, 13, Pub. L. 92-574, 86 Stat. 1234 (42 U.S.C. 4905,4909,4910,4912
source: 41 FR 15544, Apr. 13, 1976, unless otherwise noted.
cite as: 40 CFR 205.55-3