6Dg Locos are ex SM42 or SP42 but Modernised by Newag from 2007-2022 with a CAT C27 Low emission engine of 949hp capable of 90km/h.
SU4210 Locos are ex SM42 but Modernised by Newag from 2014-2015 with a CAT C18 Low emission engine of 1500hp capable of 90km/h

​SU42-502

92 51 5 620 002-2 PL-PREG
​Previous Numbers  SP42-049
Dud For Haulage ​

SM42-069

98 51 8 620 778-5 PL-PKPIC

SM42-084

98 51 8 620 779-3 PL-PKPIC
Dud For Haulage ​

SU42-501

92 51 5 620 001-4 PL-PREG
​Previous Numbers  SP42-085
Dud For Haulage ​

SM42-3005

98 51 8 620 781-9 PL-PKPIC
​Previous Numbers  SM42-121 / SU42-121 / SM42-121​

SU4220-002

98 51 5 620 041-4 PL-PKPIC
​Previous Numbers  SM42-132

SM42-146

98 51 8 620 783-5 PL-PKPIC
​Dud For Haulage ​

SU4210-003

98 51 5 630 087-5 PL-PKPIC
​Previous Numbers  SM42-179 / SU42-1003

SM42-184

Scrapped

​SU4210-007

98 51 5 630 091-7 PL-PKPIC
​Previous Numbers  SM42-189 / SU42-1007

SM42-190

98 51 8 620 786-8 PL-PKPIC

​SU4220-009

98 51 5 620 049-7 PL-PKPIC
​Previous Numbers  SM42-193

​SU42-534

92 51 5 620 001-4 PL-PREG
​Previous Numbers  SP42-194
Dud For Haulage ​

SM42-221

98 51 8 621 011-0 PL-PREG
​Dud For Haulage 

SU42-535

Previous Numbers  SP42-237
Dud For Haulage 

​SU42-525

Previous Numbers  SP42-239
Dud For Haulage 
​Scrapped 06/2017

SM42-261  (3)

Previous Numbers  SP42-261

SM42-351

98 51 8 620 795-9 PL-PKPIC
​Dud For Haulage 

SM42-403

98 51 8 620 800-7 PL-PKPIC
Dud For Haulage 

SU4210-006

98 51 8 630 090-9 PL-PKPIC
​Previous Numbers  SM42-419(98 51 8 620 801-5) / SU42-1006
Dud For Haulage 

​SM42-462

98 51 8 620 803-1 PL-PKPIC

SM42-3102

98 51 8 620 804-9 PL-PKPIC
​Previous Numbers  SM42-479
Dud For Haulage ​

​SM42-507

98 51 8 620 677-9 PL-PKPC

​SM42-517

98 51 8 620 323-0 PL-PKPC

​​SM42-523

98 51 8 621 024-3 PL-PREG

SU4210-010

98 51 8 630 094-1 PL-PKPIC
​Previous Numbers  SM42-530 / SU42-1010
Dud For Haulage 

​​SM42-532

6Dg-145

​​Previous Numbers  SP42-040 / SU42-539

6Dg-179

92 51 3 620 603-2 PL-KLP
​Previous Numbers  SP42-267 / SU42-540

SM42-546

98 51 8 620 810-2 PL-PKPIC

SM42-552

98 51 8 620 335-4 PL-PKPC

SM42-3002

98 51 8 620 811-4 PL-PKPIC
​Previous Numbers  SM42-561

SU4210-004

98 51 5 630 088-3 PL-PKPIC
​Previous Numbers  SM42-574 / SU42-1004

SU4210-001

98 51 5 630 085-9 PL-PKPIC
​Previous Numbers  SM42-576 / SU42-1001

​SM42-577

​​SM42-590

98 51 8 620 915-3 PL-PKPC

SM42-600

98 51 8 620 347-9 PL-PKPC

​SM42-607

98 51 8 620 816-3 PL-PKPIC

​SM42-630

SM42-631

98 51 8 620 363-6 PL-PKPC

SU4210-002

98 51 5 630 086-7 PL-PKPIC
​Previous Numbers  SM42-643 / SU42-1002
Dud For Haulage ​

​SM42-649

92 51 3 620 155-3 PL-PKPE

​​SM42-650

​​​SM42-651

​​​​SM42-652

​​​​​SM42-656

​​​​​​SM42-661

98 51 8 620 366-9 PL-PKPC

​​​​​​​SM42-682

​​​​​​​​SM42-737

​​​​​​​​​SM42-738

​​​​​​​​​​SM42-742

98 51 8 620 397-4 PL-PKPC

​​​​​​​​​​​SM42-756

92 51 5 620 034-5 PL-KUBA

​​​​​​​​​​​SM42-767

98 51 8 620 406-3 PL-PKPC

​​​​​​​​​​​SM42-769

98 51 8 620 177-0 PL-PKPC

​​​​​​​​​​​​SM42-771

​​​​​​​​​​​​SM42-782

98 51 8 620 409-7 PL-PKPC

​​​​​​​​​​​​​SM42-784

98 51 8 620 410-5 PL-PKPC

SM42-1316

92 51 3 620 251-0 PL-PKPC
​Previous Numbers  SM42-795

​SM42-814

​SM42-815

98 51 8 620 418-8 PL-PKPC

​SM42-817

98 51 8 620 420-4 PL-PKPC

SM42-1278

92 51 3 620 194-2 PL-PKPC
​Previous Numbers  SM42-832

SM42-1297

92 51 3 620 225-4 PL-PKPC
​Previous Numbers  SM42-875

SM42-876

98 51 8 620 436-0 PL-PKPC

SM42-886

98 51 8 620 192-9 PL-PKPC

​SM42-1218

92 51 3 620 067-0 PL-PKPC
​Previous Numbers  SM42-894

SM42-1299

92 51 3 620 227-0 PL-PKPC
​Previous Numbers  SM42-898

SM42-1318

92 51 3 620 248-6 PL-PKPC
​Previous Numbers  SM42-925

SM42-928

98 51 8 620 200-0 PL-PKPC

SM42-948

SM42-1279

92 51 3 620 195-9 PL-PKPC
​Previous Numbers  SM42-974

SM42-1290

92 51 3 620 213-0 PL-PKPC
​Previous Numbers  SM42-975

SM42-990

98 51 8 620 482-4 PL-PKPC

SM42-991

98 51 8 620 483-2 PL-PKPC
Scrapped 02/2022

SM42-1276

92 51 3 620 192-6 PL-PKPC
​Previous Numbers  SM42-994

SM42-1249

92 51 3 620 146-2 PL-PKPC
​Previous Numbers  SM42-1007

SM42-1015

98 51 8 620 492-3 PL-PKPC

​SM42-1031

98 51 8 620 503-7 PL-PKPC

​​SM42-1037

SM42-1245

92 51 3 620 098-5 PL-PKPC
​Previous Numbers  SM42-1042

SM42-1053

98 51 8 620 519-3 PL-PKPC

​SM42-1054

98 51 8 620 520-1 PL-PKPC

​​SM42-1312

92 51 3 620 241-1 PL-PKPC
​Previous Numbers  SM42-1060

SM42-1095

98 51 8 620 553-2 PL-PKPC

SM42-1123

98 51 8 620 568-0 PL-PKPC

SM42-1306

​92 51 3 620 235-3 PL-PKPC
​Previous Numbers  SM42-1137

​SM42-1322

92 51 3 620 246-0 PL-PKPC
​Previous Numbers  SM42-1148

SM42-1289

92 51 3 620 212-2 PL-PKPC
​Previous Numbers  SM42-1149

SM42-2015

98 51 8 621 148-0 PL-TRAPL

6Dg-026

92 51 3 620 080-3 PL-PNUIK
​Previous Numbers  SM42-2137

​SM42-2169

98 51 8 621 144-9 PL-ERPL
​Previous Numbers  4

6Dh-8578

92 51 3 620 104-1 PL-PNI
​Previous Numbers  SM42-2178 / SM42-8578

​​SM42-2200   (1)

6Dg-194

92 51 5 620 055-0 PL-ORKOL
​Previous Numbers  SM42-2271

SM42-2292

92 51 3 620 202-3 PL-ZPNT

6Dh-1 007

92 51 3 620 623-0 PL-ZPNT
​Previous Numbers  SM42-2298

​SM42-2303

92 51 3 620 492-0 PL-ORION

​SM42-2664

92 51 8 620 606-8 PL-CTLL
​Previous Numbers  SM42-2312

SM42-2390

98 51 8 621 033-4 PL-WISKO

SM42-2410

92 51 3 620 132-2 PL-ECCOR

SM42-2441

92 51 3 620 497-9 PL-ORION

SM42-2444

92 51 3 620 331-0 PL-ASPWR

SM42-2464

92 51 3 620 456-5 PL-ORION

SM42-2471

92 51 3 620 425-0 PL-OMNL

​SM42-2472   (2)

​SM42-2489

92 51 3 620 569-5 PL-ID

SM42-2503

98 51 8 620 746-2 PL-ORKOL

SM42-2504

6Dg-101

92 51 3 620 264-3 PL-LOTOS
​Previous Numbers  SM42-2507

6Dh-2543

92 51 3 620 474-8 PL-ZPNT
​​Previous Numbers  SM42-2543

6Dg-149

92 51 3 620 340-1 PL-LOTOS
​Previous Numbers  SM42-2574

SM42-2583

92 51 3 620 277-5 PL-WISKO

SM42-2604

92 51 3 620 484-7 PL-MKT

​SM42-2622

98 51 8 621 154-8 PL-SKPL

SM42-2625

92 51 3 620 352-6 PL-ZUESA

SM42-2626

92 51 3 620 588-5 PL-TRSOD

SM42-2650

92 51 3 620 500-0 PL-ORION

SM42-2657

98 51 8 620 773-8 PL-KWB

SM42's Dud For Sight

SP42-049(SU42-502)  069  073  084  SP42-085(SU42-501)  102  121(3005)  132(SU4220-002) 146  179(SU4210-003)  SP42-184  189(SU4210-007)  190  193(SU4220-009)  SP42-194(SU42-534)  221  SP42-237(SU42-535)  SP42-239(SU42-525)  254  261  290  300  330  342  349  350  351  403  419(SU42-1006/SU4210-006)  428  446  462  479(3102)  482  502  507  517  523  530(SU4210-010)  532  539  SP42-040/SU42-539(6Dg-145)  SP42-267/SU42-540(6Dg-179)  546  552  561(3002)  574(SU42-1004/SU4210-004)  576(SU42-1001/SU4210-001)  577  590  607  615  630  631  643(SU42-1002/SU4210-002)  649  650  651  652  656  661  682  692  722  734  737  738  739  742  756  767  769  770  771  782  784  795(1316)  814  815  817  821  827  832(1278)  857  871(1265)  875(1297)  876  878  886  891  894(1218)  898(1299)  923   925(1318)  927(1300)  928  948  951  974(1279)  975(1290)  990  991  994(1276)  999(1282)  1007(1249)  1015  1031  1034(1239)  1037  1042(1245)  1053  1054  1059  1060(1312)  1068  1070  1072  1088  1095  1096  1100  1123  1125  1136  1137(1306)  1148(1322)  1149(1289)  2015  2079  2137(6Dg-026)  2164  2169  2178(8578)  2183  2200  2266  2271(6Dg194)  2292  2298?(6Dh-1 007)  2303  2312(2664)  2351  2355(6Dg-148)  2376(6Dg-168)  2390  2410  2441  2442  2444  2464  2471  2472  2474  2489  2503  2504  2507(6Dg-101)  2543  2574(6Dg149)  2583  2588  2599  2604  2609  2613  2622  2625  2626  2650  2657  2664