Aldon Derails - Hinged Pop-Up Two-Way for Wooden Sleepers (Ties)

Aldon Derails - Hinged Pop-Up Two-Way for Wooden Sleepers (Ties)

Permanently installed on two sleepers.

  • Derail block with wheel-deflecting bar is swung on or off the rail as needed.
  • Can be padlocked in either position.
  • Derail must be sized to fit a specific rail height. For more details, see page 127 of our Rail Catalogue.
  • All derails are designed for travel speeds under 8km/hr.
    • Any higher speed may cause a failure to derail.


Suitable for freight cars and 4-axle locomotives
Derail block is lifted on or off the rail either manually or with a Lifting Lever
(Model No. 4014-28, Rail Catalogue page 129). Sign Holder is available in two styles: manual lift or pop-up.
Model No. Description Weight (kg)
4014-03 Manual Lift Sign 77.3
4014-04 Pop-Up Sign
Suitable for 6-axle and 4-axle locomotives and all freight cars
Low-angle deflection bar accommodates longer wheel base of 6-axle locomotives. Allow ample space alongside the track for derailed vehicle to slide to a stop.
Model No. Description Weight (kg)
4014-18 Manual Lift Sign 77.3
4014-20 Pop-Up Sign

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  • Aldon derails are designed for cars and locomotives operating at slow switching speeds (5 mph / 8km/h or less).
  • Hinged derail is designed for use on tracks with wooden ties.
  • Use screw spikes (supplied with Aldon Hinged Derails) for proper anchoring of derails to wooden ties.
  • Do not install derails on resin or concrete sleepers.


  • Derails must be installed on exposed rail track only.
  • For rails 80-141 lbs. (36 - 63kg), derails are sized to fit a specific rail height, including thickness of tie plate.

We cannot process your order without the information you provide on the Derail Sizing Form (Please Download).

Click on the links to download more information on the Aldon Derails - Hinged Pop-Up Two-Way for Wooden Sleepers (Ties).