Like the Urie’s other successful 4-6-0 designs the H15 and N15 King Artur Class, for the latter

Like the N15’s later builds under Maunsell, the newly appointed CME of the Southern Railway, also incorporated the

The last batch were coupled to flat sided tenders, similar to the original Lord Nelson style rather than the Urie flared top style. Five of the 1927 batch, 833 to 837, were again like some N15s, fitted with six wheel tenders for use on the central section that had smaller turntables.

Although primarily built for goods work they could often be seen on and keeping time on the occasional passenger turn making them versatile and as a result long lived.

I currently have a couple of S15s in my fleet that can be seen on Fisherton Sarum and these are built from DJH kits and represent the Maunsell SR built batches, one from the 1927 batch and one from the 1936 batch with the two different tenders.