No.3 on the Bucks
In 1890 James Holden introduced a new development of his T18 class which had originally been designed for shunting and trip goods turns, but fortuitously turned out to be very good on the burgeoning suburban passenger services too.
When the need arose for further suburban tanks, Holden improved the design to suit intensive passenger work by providing a more steady-riding engine. This was achieved by increasing the trailing coupled wheelbase by six inches and reducing the length of the frames at the rear by one foot. In addition the tanks were repositioned further forward and the length of the cab shortened. Peripheral changes included moving the front steps from just ahead of the side tanks to in front of the sandboxes, and, as on the E22 class, positioning the spectacles higher on the weatherboards just under the eaves.
The ten locos were fitted for passenger work with Westinghouse brakes, screw…
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