NS 7520
| Upgraded in 2013. blt 11/2005. in svc. Dec.7,2005 Order/frame#1996-15 |
ES44DC
| 56447 | 1 | 204578 |
NS 7523
| Uprated from 4,000 to 4,400 horsepower blt. Nov.2005, in svc 10Dec.2005 |
ES44DC
| 56450 | 6 | 209223 |
NS 7525
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 56452 | 2 | 208819 |
NS 7528
| Blt.12/2005, in svc, 15 Dec. 2005, order/Frame # 1996-24 |
ES44DC
| 56455 | 1 | 201587 |
NS 7532
| Rerated to 4400 HP 11/2013 |
ES44DC
| 56459 | 8 | 192032 |
NS 7552
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 56479 | 2 | 209333 |
NS 7556
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 56483 | 1 | 209324 |
NS 7592
| Rerated to 4400 HP 11/2013,blt.Jun.2006, in svc.Jul.26,2006 |
ES44DC
| 57001 | 1 | 194514 |
NS 7593
| Upgraded to 4400 hp,built 6/2006,in svc. 27 July 2006 |
ES44DC
| 57002 | 4 | 209412 |
NS 7596
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 57005 | 1 | 209317 |
NS 7601
| Upgraded from ES40DC.blt 7/2006, in svc. 22Aug.2006, Frame/Order#1996--90 |
ES44DC
| 57010 | 1 | 190051 |
NS 7606
| Rerated to 4400 HP 11/2013blt. Jul.2006, in svc, 8/23/2006, Frame# 1996-78 |
ES44DC
| 57015 | 1 | 192700 |
NS 7610
| blt.Oct.2006,frame/order# 1996-94, in svc. 3 Nov.2006 |
ES44DC
| 57836 | 1 | 221290 |
NS 7614
| Uprated from 4,000 to 4,400 horsepower blt Oct.2006, in svc. 9 Nov.2006 |
ES44DC
| 57840 | 3 | 208927 |
NS 7619
| Uprated from 4,000 to 4,400 horsepower,frame#1996-104 |
ES44DC
| 57846 | 1 | 204877 |
NS 7620
| Upgraded, Blt 02/2007, order/frame# 1996-115, in svc. 20Feb.2007 |
ES44DC
| 57847 | 1 | 202132 |
NS 7626
| |
ES44DC
| 57853 | 2 | 194877 |
NS 7638
| Blt.Mar.2007,order/frame#1996-110, in svc. Mar.17,2007 |
ES44DC
| 57865 | 1 | 228245 |
NS 7648
| Blt.Apr.2007, Frame/order#1996-136, in svc.Apr.28,2007 |
ES44DC
| 57875 | 1 | 198736 |
NS 7654
| uprated from 4,000 to 4,400 horsepower between October 2013 and August 2014 |
ES44DC
| 57881 | 3 | 210465 |
NS 7658
| Upgraded Jan 2014blt.4/2007, in svc.24 MAy 2007, order/frame# 1996-147 |
ES44DC
| 57884 | 2 | 194865 |
NS 7666
| Blt 6/2007, in svc 16 Jun2007, Frame / order # 1996-144 |
ES44DC
| 57892 | 4 | 213464 |
NS 7674
| Rerated to 4400 hp,blt09/2007, in svc3/OCT/2007 order/frame#1929 |
ES44DC
| 58398 | 3 | 211643 |
NS 7678
| Upgraded from ES40DC, buit Oct.2007, in service Nov. 2007 |
ES44DC
| 58402 | 1 | 189600 |
NS 7686
| blt.11/2007, frame/order# 1929-19, in svc, 18 Nov.2007 |
ES44DC
| 58410 | 2 | 217330 |
NS 7704
| Uprated from 4,000 to 4,400 horsepower |
ES44DC
| 58428 | 3 | 209316 |