12344

32/45mm narrow gauge Roundhouse "Billy" 0-4-0 with tender

A 32/45mm Roundhouse "Billy" 0-4-0 with tender. Based on a pre-war Orenstein and Koppel locomotive, the design was also used for engines built by Andrew Barclay.

The boiler has had hydraulic and steam tests with new certification issued; the engine steams freely and runs well in either direction.

Fitted with radio control servos and receiver, it will require a suitable transmitter.

Technical information

Stock code

12344

Gauge

45mm & smaller

Length/inches

12+7.5

Width/inches

5+5

Height/inches

6.5+5.5

Weight/Kg

2.7+1

Wheel material

steel

Axlebox type

plain bearing

Cylinder material

brass

Valve type

slide

Valve gear

simplified walschaerts

Reverser type

radio control

Boiler maker

Roundhouse Engineering

Boiler type

centre flue

Boiler construction

silver soldered

Boiler material

copper

CE/UKCA mark

n/a - <2 litre capacity

Year built

2021

Boiler number

060712G

Safety valve type

spring

Safety valve

1

Hydraulic test valid to

17-Sep-2028

Steam test valid to

09-Aug-2026

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