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OO Gauge 517 Class 0-4-2 Locomotive

All New OO Gauge Class 517

517 Prototype

The 517 Class were small 0-4-2T tank engines designed by George Armstrong for local passenger work on the Great Western Railway. 144 were built at Wolverhampton Works  in 13 lots and were outshopped between 1868 and 1885. During the late 1880’s and early 1890’s most had their wheelbases lengthened to 15 foot 6 inches and from 1904 onwards several were converted to auto train working which scattered them over the system. When Charles Collett became CME, during 1924 he widened the tanks and provided a new cab with extended bunker which became the Swindon rebuild and outwardly looked very similar to the later 48xx class he designed in 1932. The last of the class 1159 was withdrawn in August 1947 just missing out on nationalization. All members of the class were disposed of with none making it into preservation.  

Dapol will be making models having the later modified chassis with longer wheel base and side tanks replacing the saddle tanks  including open and closed cab versions.   

517 Open Cab Version

517 Specifications

The locomotive will have the usual refinements that are expected to be found on a Dapol model including:   

  • Diecast chassis, running plate, wheels (with metal tyres) boiler and fire box (two fire box types) 
  • Fully compensated chassis 
  • Three cab types: open, closed and the later Collett design 
  • Detailed cab interiors· Removable cab roof (held in place with magnets on all enclosed cab versions)
  • Tall and short chimney types 
  • Churchward sprung tapered shank buffers 
  • High level of separately added detail 
  • Representation of internal motion
  • Expertly applied liveries 
  • Printed number plates with etched plates in the accessory pack   

517 Closed Cab Version

Technical Specifications 

  • A slide in PCB offers simple ‘tool-free’ installation of a NEXT-18 DCC decoder and a ’no-solder’ speaker connection. This board slides through the smoke box door and connects directly to the locomotive mother board. 
  • Firebox glow (synchronised with sound*) 
  • High quality coreless motor 
  • All wheel pick up
  • Next-18 DCC Socket 
  • DCC Ready, DCC fitted & DCC sound fitted options will be available. 
  • Enhance your driving experience with our feature RealDrive* 
 * Factory fitted models only   

517 Collett Closed Cab Version

Proposed Liveries

  • 4S-517-001      539 Lined G.W Green Red Frames - Open Cab
  • 4S-517-002      524 Lined Chocolate - Closed Cab
  • 4S-517-003      1158 G.W. Green - Open Cab
  • 4S-517-004      523 G.W. Green GREAT WESTERN - Closed Cab
  • 4S-517-005      1159 G.W. Green GREAT WESTERN - Collett Cab

Recommended Retail Price

DCC Ready


DCC Fitted


DCC Sound


Project Update

Initial CAD drawings have been reviewed by the design team and feedback has been provided to the factory to make improvements and changes which have been made, this project is now in tooling.

It is anticipated that models will be available in shops towards the end of 2025, we will keep you updated on this project as and when information is available. 

Pre-Order at your preferred Dapol stockist today 

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