Technical Information
As built they had a saturated (non-superheated) boiler at 140 lbf/in²/0.97 MPa (150 lbf/in²/1.03 MPa for the last 24) and Stephenson valve gear with slide valves. Between 1913 and 1923 the class was rebuilt with bigger boilers set at 165 psi and the Reid side-window cab.
Read more about this topic: NBR C Class
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