Class 57
The class 57 is a 47 which is rebuilt with a GM engine that gives it greater haulage capability. It is freightliners super 47 (57 TOPS number). It is designed for freight purposes and has air only braking. The actual technical specs are :-
Air brakes only
ETH none
Weight 120.6 Tonnes
No mutiple working
Route availabilty 6
Max tractive effort 55000 lbs although it could be 62000 lbs
Design code 57-0aA
12 in class
The class 57 is just like the class 47/3 which as designed for that freight purpose. The class 57 is a technical revolution how ever it has still suffered problems with it's engine although these are teething problems.
The class 57 also uses it's orignal bogies and now has sandboxes fitted on them. If you have any information on these machines, please e-mail me at the addresses below.