Water Fillers: 5101-10, 5150-89,
6100-6109 were fitted with a screw down lid whereas the remaining engines were
fitted with a lever type.
Cab shutters: 5190-99, 6110-69 &
4100-79 were so fitted when new. The earlier engines received shutters from 1933
ATC equipment: fitted when new to
5160-99, 6130-69 & 4100-79 and applied to the earlier engines between 1930 and
Journal lubricators mounted on the
tank top: The majority of the 51xx & 61xx series were so fitted when built. The
41xx series did not have these lubricators and some of the earlier engines had
them subsequently removed.
Step on tank front: 5101-10, 5150-89, 6100-6109 were fitted with a step of
traditional appearance. The later engines had a step of the same design as
fitted to the rear of the bunker.
Upper front lamp bracket: moved to smokebox door on a few engines.
Spare lamp brackets: on early engines
these were mounted towards the footplate edge alongside the splasher;
later they were placed further forward and in front of the splasher.
Whistle shields: fitted to 4160-79
when new and later to a few of the earlier engines.
Handrails on tank strap: two extra
handrails were added on the strap over the boiler from circa 1945 onwards.
Bunker steps: Welding of three steps
to the left side of the bunker began in 1952. This necessitated the shortening
the handrail on the bunker side whilst at the same time two extra handrails were
added one to the rear of the cab cut-out and one on the cab roof.
Safety valve bonnets: 5101-5110 &
5150-59 were fitted with tall safety valve bonnets. The safety valve bonnet
supplied is the short type fitted to the remaining engines.
Bunkers: 5101-5110 came out with a
recessed fender above the bunker top only, whilst Nos. 5150 onwards had the
upper half of the bunker extension recessed to match, as per the kit. Several of
the earlier engines have subsequently been similarly treated.
Trip gear: The 61xx series worked over
the electrified lines in the London area and all were fitted with trip gear for
automatic brake application in case of over-running an adverse signal. The A.T.C.
apparatus on these engines was arranged to clip up automatically on entering an