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O Scale Products
Turntables and Roundhouses



Construction:  Bowser turntables (HO, O and S Scale) are made of 1/2" plywood with a brass pit wall. The wood is painted gray. The pit rail is installed and the wiring is complete.  The center shaft, bearings and bogies are installed on the wooden bridge beam.  The girder kit screws onto the side of the bridge beam and creates the appearance of a girder bridge.  The motorizing kit mounts under the turntable and rotates the table. The bridge will accept any type of track consistent with the scale of the turntable. For this reason, the bridge track is NOT included with the kit. 

Application & Electrics:  A turntable requires a square hole 2 inches larger than the bridge length and at least 6 inches of clearance under the layout.  The motor requires an N or HO scale transformer (only controls the rotation of bridge) to move the bridge clockwise or counterclockwise.  When the bridge is stopped it is locked in place.  The transformer speed selector serves as device to move the bridge very slowly to allow good alignment of the bridge with each track stub along the turntable perimeter.  This does require a level of skill to be developed by the operator to ensure that your locomotives traverse the bridge/stub gap gracefully. 

Automated Indexing:  An automatic indexing system is an electro-mechanical add-on device (sold separately), that when properly installed, virtually guarantees alignment of the bridge/stub gap at each stub location along the perimeter of the turntable.  Dallee Electronics manufactures such a unit.  The Dallee "Indexer" can be set for an infinite number of discrete stops. Since this unit mounts under your layout, it can be installed without removing your turntable from your layout. 


Turntable Kits (includes turntable with bridge, girder kit, deck detail kit & motorizing kit.)
* n.a. Per Kit   -  20"  Turntable Complete  
* n.a. Per Kit   -  22"  Turntable Complete  
* n.a. Per Kit   -  24"  Turntable Complete  
* n.a. Per Kit   -  26"  Turntable Complete  
* n.a. Per Kit   -  28"  Turntable Complete  
* n.a. Per Kit   -  30"  Turntable Complete  
* n.a. Per Kit   -  32"  Turntable Complete  
Shipping & Handling, except Hawaii & Alaska (billed actual freight)
Add   * n.a.   -  for  20" to 28" turntables
Add   * n.a.   -  for  30" & 32" turntables

Turntable Indexing Kit by Dallee Electronics.
  (Stops at any location you set. Mounts under turntable, infinite number of stops.)
  The Dallee Indexer instructions can be found at https://www.dallee.com/Turntable.htm
$69.95 Per Kit  -   Indexing Kit by Dallee Electronics   -   Part # 213-617

Lighting Strip by Dallee Electronics.
  Instructions can be found at https://www.dallee.com/Turntable.htm
* n.a. Per Kit  -   Lighting Strip to Light Inside of Roundhouse   -   Part # 213-379



Photographs of the Turntable taken from the shipping box:
Photo 1 Photo 2 Photo 3 Photo 4    



Bridge Deck Kit - Available separately if you already have a Bowser turntable.  Dress up your turntable bridge with railings, rail stanchions, shanty, drive motor & bracket, and electrical gantry.  Kit encludes wood to make long ties, wood for the deck, pewter wire tower, and shanty.  Customer must cut wood to length and glue in place, drill holes for stanchions & glue in place, glue together shanty, screw together wire tower and paint parts.

O & O-27 Gauge Bridge Deck Kits

Part #DescriptionPrice
1-7902  O Gauge Bridge Deck Kit * n.a.
1-7903  O-27 Bridge Deck Kit * n.a.



Korber # 304 Roundhouse Kit - We try to keep these in stock.  Please note that the additional stalls are added in the middle.  You should add them when you first build the roundhouse.  It is difficult to take the roundhouse apart and add later.

SALE  -  #304 is Now * n.a. ,  #3041 and 3042 is Now * n.a.


Korber # 304 Roundhouse


Part #DescriptionPrice
411~304  O Scale Roundhouse 15x30x30 * n.a.
411-3041  O Scale, One Additional Stall #304a * n.a.
411~3042  O Scale Extender for Big Boy #304b * n.a.


Photographs of of Korber 304 Roundhouse:
Photo 1 Photo 2 Photo 3 Photo 4 Photo 5 Photo 6
Photo 7 Photo 8

Space Requirement Drawings for a Korber Roundhouse   (PDF document 463K)



Korber # 320 Roundhouse Kit - We try to keep these in stock.  Please note that the additional stalls are added in the middle.  You should add them when you first build the roundhouse.  It is difficult to take the roundhouse apart and add later.

SALE  -  #320 is Now * n.a. ,  #3201 is Now $46.50

Korber # 320 Roundhouse

Part #DescriptionPrice
411-320  O Gauge Roundhouse 15 x 25 x 26 inches * n.a.
411-3201  O Scale, One Additional Stall #320a * n.a.


Photographs of the Korber 320 Roundhouse:
Photo 1 Photo 2
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