References

More than 4,000 fuel operated heating systems in use worldwide, for example on diesel locomotives:

+ 202/203/204
+ 212
+ 216/217/225
+ 218
+ 219/229
+ 232/233/234
+ 241/242
+ 290/294
+ 291/295
+ 298
+ 344/347
+ 675
+ 708/714
+ 618/619

+ 2TE116

+ SW1001
+ GP9
+ GP10
+ GP20C
+ GP38
+ GP38-2
+ SD18
+ SD30C
+ SD40-2
+ RS1325
+ MP15AC
+ AC4400
+ PR20B

…