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Used ASTER Live Steam Big Boy - only 45 ever made

Used ASTER Live Steam Big Boy - only 45 ever made

By Aster Hobbies Ltd of Japan. First run circa 1981. First run - road number 4002. This used loco has an excellent provenance, having been previously owned by a UK enthusiast. We are told only 45 were made.


Some vital statistics:


Length: 1224 mm (48 1/4 inches)
Width: 107 mm (4 1/4 inches)
Height: 157 mm (6 1/4 inches)
Weight: 19 kg (Locomotive 14.5 kg, tender 4.5 kg)

Drivers: 52.5 mm diameter drivers made of stainless steel, the axle boxes have coil spring action.
Trucks: Pilot Truck Wheels C27 mm diameter
Tender and Trailing Truck Wheels. C32 mm diameter

Cylinders: 4 Cylinders ( Bore 13 mm x Stroke 20 mm)
Valve Gear: Walschaert's with a screw reverser.
Boiler Type: Fire Tube Boiler with 2 Super Heaters. (2 x large fire tubes with 8 x small fire tubes
Capacity: 800 ml of water at 80% capacity
Pressure: 4 kg/cm (normal working pressure)
Fittings: 2 x Safety Valves, Regulator Valve, Blower Valve, Pressure Gauge (Dial Type from 1 to 5 kg/cm), Water Gauge, Water Check Valve, Blow down Valve, Whistle Valve and Working with Whistle under the barrel.
Fire grate: 180 mm x 64 mm
Fuel: Butane Gas, Charcoal or Coal
The boiler is a convertible type
Tender Water Tank 1,000 ml of water in the tank with a feed water hand pump installed (Pump Cylinder bore 10 mm x Ram Stroke 16 mm) and on the locomotive an Axle driven Automatic Feed Water Pump with a By-Pass Valve (Axle driven pump cylinder bore 7 mm x Stroke 8 mm).
Gas Container Capacity 220 g. (Diameter 70 mm x Length 136 mm
Lubricator: Axle Drive Mechanical Lubricator


Comes with excelent stock of spares, accessories and original boxes for the engine and tender. Please enjoy the video we made to present this rare model to our customers.

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