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Allan Williams's Collection
 
7/7/2025
 
 
 
 
Roster Options:
Unit #  Notes  Model  Serial  # Pictures 
NS 9136   C44-9W 503896195975
NS 9140 Upgraded 2014 C44-9W 503932207358
NS 9142 Upgraded 2014 C44-9W 503951205040
NS 9144 Rerated to 4400 HP 11/2013. Rebuilt to NS 4398 C44-9W 503971192690
NS 9147 Upgraded 2014 C44-9W 504002205298
NS 9148   C44-9W 504012200064
NS 9155 Uprated from 4,000 to 4,400 horsepower C44-9W 504082206766
NS 9157   C44-9W 504102210935
NS 9158   C44-9W 504112209876
NS 9161   C44-9W 504141200105
NS 9162   C44-9W 504152197269
NS 9164 Built 2/1998, upgraded from 4000hp. C44-9W 504172217637
NS 9168 Rerated to 4400 HP 11/2013 C44-9W 504212192024
NS 9169 Upgraded Nov 213. Rebuilt to NS 4433 C44-9W 504221193241
NS 9170 Rerated to 4400 HP 11/2013 C44-9W 504232194484
NS 9172 Upgraded 2014 C44-9W 504253205297
NS 9175   C44-9W 504282197405
NS 9177   C44-9W 504301204885
NS 9180   C44-9W 504332195739
NS 9181   C44-9W 504341204888
NS 9182 Rerated to 4400 HP 11/2013 C44-9W 504352192686
NS 9183 Upgraded C44-9W 504366204006
NS 9185 Rerated to 4400 HP 11/2013 C44-9W 504382193741
NS 9186 Uprated from 4,000 to 4,400 horsepower C44-9W 504394209479
NS 9187   C44-9W 504403221103
NS 9189   C44-9W 504422209150
NS 9191 Upgraded from C40-9W. Rebuilt to NS 4428 C44-9W 504441190006
NS 9192 Upgraded Dec 2013 C44-9W 504451193579
NS 9197 Upgraded C44-9W 504503202581
NS 9205 Uprated from 4,000 to 4,400 horsepower C44-9W 504583199616
NS 9207 Rerated to 4400 HP 11/2013 C44-9W 504603193787
NS 9209 Bl.Apr.1998,Order/Frame#1884-81,in svc.Apr.17,1998 C44-9W 504623200624
NS 9210   C44-9W 504631199618
NS 9211   C44-9W 504641199610
NS 9212 Upgraded Nov 2013 C44-9W 504652193024
NS 9213 Rebuilt to NS 4496 C44-9W 504661201603
NS 9214 built April 1998, Order # 1884, in svc. 24 April 1998 C44-9W 504672212527
NS 9216   C44-9W 504691209873
NS 9217   C44-9W 504703200844
NS 9218 Upgraded C44-9W 504711204030
NS 9219 Rerated to 4400 HP 11/2013, order#1884-91,blt. Apr. 1998, in svc.4/30/98 C44-9W 504725192688
NS 9222 Upgraded Nov 2013 C44-9W 504752194075
NS 9224   C44-9W 504774198735
NS 9225   C44-9W 504784195050
NS 9229   C44-9W 504821213074
NS 9230 Rebuilt to NS 4410 C44-9W 504836200198
NS 9232   C44-9W 504853200686
NS 9236   C44-9W 504892206244
NS 9238   C44-9W 504912203108
NS 9240 Rerated to 4400 hp C44-9W 504932210489
NS 9244 Uprated from 4,000 to 4,400 horsepower C44-9W 504972208946
NS 9247 Uprated from 4,000 to 4,400 horsepower C44-9W 511221198763
NS 9251 Upgraded and Now in Horsehead C44-9W 511261208935
NS 9254 OLS 25th Anniversary Logos C44-9W 511292201585
NS 9255 OLS 25th Anniversary Logos. Rebuilt to AC44C6M 4522 in 2022. C44-9W 511307193749
NS 9259 Rerated to 4400 HP 11/2013 C44-9W 511343193492
NS 9261   C44-9W 511362192496
NS 9263 Rebuilt to NS 4474 C44-9W 511381208772
NS 9267   C44-9W 511422217331
NS 9268 Uprated from 4,000 to 4,400 horsepower C44-9W 511433209314
NS 9271 Uprated from 4,000 to 4,400 horsepower. Rebuilt to NS 4473 C44-9W 511462209328
NS 9278 Uprated from 4,000 to 4,400 horsepower C44-9W 511534208638
NS 9281 Rerated to 4400 HP 11/2013 C44-9W 511561192025
NS 9282 Rerated to 4400 HP 11/2013 C44-9W 511572193793
NS 9285 Upgraded Nov 2013 C44-9W 511601194071
NS 9287 Rebuilt to NS 4552 C44-9W 511621197745
NS 9294 Upgraded from C40-9W. Rebuilt to NS 4596 C44-9W 511691200586
NS 9295 Built, Mar.1999, order/frame# K42-53, in svc.May 14,1999 C44-9W 511701217758
NS 9299   C44-9W 511741211570
NS 9308 Upgraded from C40-9W C44-9W 511837189743
NS 9310 Rerated to 4400 HP 11/2013 C44-9W 511851194550
NS 9312   C44-9W 511872202678
NS 9313   C44-9W 511881209515
NS 9315   C44-9W 511901199225
NS 9316 Uprated from 4,000 to 4,400 horsepower C44-9W 511912198380
NS 9317 Upgraded from C40-9W C44-9W 511921189907
NS 9321   C44-9W 511964204887
NS 9323   C44-9W 511982200168
NS 9324   C44-9W 511992198765
NS 9327 Upgraded Nov 2013 C44-9W 512022192497
NS 9329   C44-9W 512043197616
NS 9330   C44-9W 512052205434
NS 9331   C44-9W 512063204452
NS 9333 Blt 02-1999, rblt 03-2022. C44-9W 512081197165
NS 9338 Uprated from 4,000 to 4,400 horsepower C44-9W 512131209123
NS 9342 Uprated from 4,000 to 4,400 horsepower C44-9W 512172198071
NS 9343 Uprated from 4,000 to 4,400 horsepower C44-9W 512182198316
NS 9346 Upgraded from C40-9W. Rebuilt to NS 4570 C44-9W 512212189597
NS 9350 Uprated from 4,000 to 4,400 horsepower. Rebuilt to NS 4613 C44-9W 512253201992
NS 9351 Rebuilt to NS 4505 C44-9W 512263199624
NS 9356 Rerated to 4400 HP 11/2013 C44-9W 512313192694
NS 9360 Upgraded Dec 2013 C44-9W 512351194372
NS 9363 Upgraded C44-9W 512382199730
NS 9364   C44-9W 512392212393
NS 9370   C44-9W 512452202873
NS 9371 Uprated from 4,000 to 4,400 horsepower C44-9W 512462207178
NS 9374 Upgraded C44-9W 512491201618
NS 9377 Built May 1999, order/frame# 1903-75, placed in svc. Jun.11,1999 C44-9W 512522207167
NS 9382   C44-9W 512575204429
NS 9385   C44-9W 512601213354


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