CSP01 Avonside Class B3 0-6-0ST

The Avonside B3 class was one of the most prolific of the Avonside designs. No fewer than 59 were constructed between 1906 and 1926. The Mersey Docks and Harbour Board operated 26 of these locomotives. In fact, the Avonside code word for this class was "Mersey". Other industrial concerns (collieries etc.) throughout the country also operated B3's. Several were to be found in Lancashire and especially in the South Wales coalfields. Detail differences exist between different locos, it was  hardly surprising for a class built over 20 years. Early locos had wooden buffer beams but on later examples these were steel. Thankfully, several B3's survived into preservation. One member, "Sir John", survived as a working loco into the early 1970's at the NCB's Colliery in Mountain Ash, South Wales. This loco is currently preserved on the Gwili Railway. A variety of liveries was carried. Green was common, with red rods. Many others were black and some were crimson. This is a great starter loco kit, easy to build and with plenty of opportunities to use it in numerous freelance layouts.

KIT CONTENTS: - Etched Brass Body, Nickel Silver Chassis.  Cast Whitemetal fittings. Cast Brass crossheads. Brass Smokebox door knob (s). Handrail Knobs. Required Nuts & Bolts. Turned Brass Bearings. Brass wire, tinned soft wire, copper wire, Beryllium (or similar) pickup wire. Copper clad Paxolin strip. Electrical wire. Full set of full colour build instructions.


In order to complete this kit you will require the following parts: -

Wheels and Axles – we supply Alan Gibson but can provide Markits, if they have them available. If you would prefer Markits wheels please ensure you let us know.

Crankpins - to suit the make of wheels.

Gearbox – High Level is our standard. Some kits do include a motor mounting etch which is suitable for Markits 38:1 gears (our stocks of gears are exhausted). Etch is available on request, while stocks last.

Motor – with the demise of Mashima motors we have sourced a suitable replacement Coreless motor that has a special worm produced for the smaller diameter shaft, by Chris Gibbon of High Level. He has been suitably impressed by the motor performance.

The cost of our kit shows a saving compared to purchasing the parts individually.

  • Manufacturer: CSP Models - 4mm Kits

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