C&NW 310-321:

C&NW 310-315 - built 7/1960 - EMD serial numbers 26075-26080:

C&NW 310	C&NW 311	C&NW 312	C&NW 313	C&NW 314
C&NW 315

C&NW 316-321 - built 2/1962 - EMD serial numbers 27145-27150:

	C&NW 316	C&NW 317	C&NW 318	C&NW 319
C&NW 320	C&NW 321