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13.5" On30 Pit Turntable

  • 54ft 13.5" On30 turntable
  • Complete On30 turntable kit including pit, bridge, motor and all needed electrical contacts.
  • the bridge frame and cross members.
  • approx 4ft scale feet depth at the pit wall
  • Doubles flanged wheels, turned on KHMs lathe with ball bearing races.
  • wheel housings designed to handle high load and sit at the correct angle.
  • cross sections
£95.00. back at end of August
Maximum Purchase:
1 unit(s)

Product Description


A 54ft bridge length capable of carrying the largest Bachmann On30 Locos without any nasty overhang.

On30 and On3 are  standard variants but I can cut decking for other gauges - please choose "other" and put in notes


Pit wall shown in the picture above is brick, but also included in the kit is a wooden wall options (as used in our smaller 9", 10.5" and galows TTs) and also a plain wall option upon which you can build your own wall surface (concrete, rock etc).

The drive train has been proven in our 48ft 7mm scale standard gauge turntable and is capable of turning over 6 1/2 lbs in weight. More than enough for any On30 loco. Its 12V 0.6rpm worm gear motor can be driven down to 2V for extremely slow movement  - making it easy to align to exit and entry tracks.

The motor, its shaft converter can be omitted from your order as an option, replaced with a simple boss to hold the 4mm primary shaft in place.


The wheel housings have been redesigned to take the heavier weight and sport double-flanged wheels with ball bearing races freely running on 3mm axles. The CAD designed housings set the wheels at the correct angle to sit neatly on the running rails.

wheel-housing.jpg  wheels.jpg

Operationally the turntable has sprung plunger contacts for reliable power-routing of the rails - a robust type used by the electronics industry.

The turntable features continuous power-routing (not a split ring design). Polarity can be changed with a DPDT switch for DC(or DCC) use, or a DCC reversing module can be used to ensure continuous operation of a sound chip. if you have DCC, a reversing module is the best bet. wiring instructions and schematics are included in the instructions.

The kit does not include bridge track - your own track can be fitted easily using its existing ties to set gauge, or you can spike your own rail in place. The version of guage only affects the decking widths.

The turntable body components are laser-cut poplar ply, birch microply and laserply, with laser-cut bass crossbeams and a deck surface of laser-cut basswood representing approximately 9inch timbers in 1/48 scale. the kit has handrails made from piano wire to keep them robust and perfectly straight.

The circular running track (rail included) is built up from a jig (included) that is really easy to get perfectly circular and centred. Yes really! Even a complete soldering beginner will find it simple.

Pdf Instructions will be emailed to you soon after ordering. If you want to see them first to get better idea of the kit please contact me - no obligation, electrons are free :)






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Product Reviews

  1. Excellent centre piece for my engine yard 5 Star Review

    Posted by on 11th Aug 2018

    Kit goes together well, looks the part, and with a DCC decoder to control the motor does not need indexing. It runs at a convincing speed and can be slowed right down to achieve perfect alignment.