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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 40 - Protection of Environment |
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Chapter I - Environmental Protection Agency |
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SubChapter G - Noise Abatement Programs |
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Part 205 - Transportation Equipment Noise Emission Controls |
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Subpart B - Medium and Heavy Trucks |
§ 205.55-3 - Configuration identification.
Latest version.
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§ 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.