Regulations last checked for updates: May 17, 2024

Title 40 - Protection of Environment last revised: May 15, 2024
Appendix Appendix A - Appendix A to Subpart A of Part 201—Switcher Locomotives

[The following locomotives are considered to be “switcher locomotives” under the general definition of this regulation]

Type Engine
General Electric Co.
44 ton8-D17000(2).
70 ton6-CBFWL-6T.
95 ton6-CBFWL-6T.
Electromotive Division (GMC)
SC8-201A.
NC12-201A.
NC112-201A.
NC212-201A.
NW12-201A.
NW112-201A.
NW1A12-201A.
NW212-567.
NW212-567A.
NW312-567.
NW412-201A.
NW512-567B.
SW8-201A/6-567.
SW16-567A/AC.
SW26-567.
SW36-567.
SW6006-567C.
SW712-567A.
SW88-567B/BC.
SW9008-567B.
SW912-567B/BC/C.
SW120012-567C.
SW10008-645E.
SW10018-645E.
SW150012-645E.
MP1512-645E.
MP15AC12-645E.
GMD112-567C.
RS132512-567C.
Transfer Switcher including “Cow and Calf”
T12-201A(2)
TR12-567(2)
TR116-567(2)
TR212-567A(2)
TR312-567(3)
TR412-567A(2)
TR512-567B(2)
TR68-567B(2)
Baldwin
VO-6606-VO.
DS-4466-606NA.
DS44756-750.
S-86-606.
VO-10008-VO.
DS-44108-608NA.
DS-44106-606SC.
S-126-606A.
DRS-4410 16-606SC.
DRS-12 16-606A.
Fairbanks Morse
H-10-446-OP.
H-12-446-OP.
H-12-44TS6-OP.
H-12-46 16-OP.
Lima
750 hp.6-Hamilton.
800 hp.6-Hamilton.
1000 hp.8-Hamilton.
1200 hp.8-Hamilton.
LRS 18-Hamilton.
TL 18-Hamilton (2).
ALCO and MLW
S16-539NA.
S26-539T.
S36-539NA.
S46-539T.
S56-251.
S66-251A,B.
S76-539.
S106-539.
S116-539.
S126-539T.
S136-251C.
RSD-16-539.
RSC-136-539.
RSC-2412-244
RS16-539T.
RS2 112-244.
RS3 112-244.
RS10 112-244.
RSC-2 112-244.
RS3 112-244.
RSD-4 112-244.
RSD-5 112-244.
T66-251B.
C-415 18-251F.
M-420TR12-251.

1 These models may be found assigned to road service as well as switcher service, but are considered switcher locomotives for the purpose of this regulation.

authority: Noise Control Act of 1972, sec. 17(a), 86 Stat. 1234 (42 U.S.C. 4916(a))
source: 45 FR 1263, Jan. 4, 1980, unless otherwise noted.