Due to the great response to our ProtoThrottle pre-order signup, we have expanded the number of throttles at the discounted price by an additional 50 units!
  • ProtoThrottle




The ProtoThrottle mimics a standard EMD control stand including full detent throttle and reverser handles, a spring-loaded horn handle, a push-on/push-off bell button, and fully programmable front and rear headlights with a setting for ditch lights. In addition, the ProtoThrottle comes with a robust faceplate machined from aluminum, including prototype bezels, and anodized to give the look and feel of a real control stand.

"That’s one impressive piece of hardware."Tony Koester

The ProtoThrottle is being developed in tandem with Scott Thornton of Designgrid LLC. Scott is responsible for the throttle’s aesthetics, faceplate mechanical production, and marketing.

Frequently Asked Questions


  • Fully wireless throttle
  • Eight detent throttle handle
  • Reverser handle with centered position
  • Brake handle
  • Spring-loaded horn handle
  • Push-on/push-off bell button
  • Front and rear headlight knobs with dim and ditch light settings
  • Auxiliary buttons that can be assigned to any DCC function
  • Works with any standard DCC decoder
  • Interfaces to any* DCC system
  • Highly configurable to suit your operating style

*Note: Requires purchase of a separate receiver specific to your DCC system.

Pre-orders for the ProtoThrottle will be available through April 27, 2018, or until we sell out of available units.  Shipment of throttles is expected approximately late June in the order that pre-orders were received.

Due to regulatory requirements, the ProtoThrottle can only be shipped to the US, Canada, Australia and New Zealand.  Orders placed with a shipping address to any other country will be cancelled and refunded.


Approximate Dimensions: 7.6"(L) x 3.2"(W) x 3.0"(H)

Powered by 2x AA batteries (not included).


The complete gEDA design files are available on GitHub.

User Manual



v0.9.33 (Rev 87D2B1) | Release Notes (04/19/2018)

v0.9.29 (Rev 461ED0) | Release Notes (04/13/2018)

v0.9.10 (Rev A990FD) | Release Notes (02/24/2018)

Update Instructions

  • Special Pre-Order Price
    $482.00 $449.00

  • 39 in stock

Don't forget to also order a receiver for your DCC system!

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Application Notes


We are now taking advance registrations for the ProtoThrottle – the most realistic way to operate a model diesel locomotive.


The website contains a form that you can fill out to register which includes a discount on our first pre-orders. Don’t miss out on this great opportunity. 

You can also download the ProtoThrottle manual in addition to a bonus publication by professional railroad engineer, Tim Garland. Tim has provided an extensive outline on how to operate the ProtoThrottle just like the professionals. 

Also, coming in late January or early February, Tim will be back with his good friend, Tom Klimoski, to show you how the ProtoThrottle operates on Tim’s Seaboard Central model railroad. Visit the ProtoThrottle site around that time to view the video.

How do I Configure Headlights for the ProtoThrottle?

A common question about the ProtoThrottle is how to configure the headlights on a locomotive to work best with the throttle.  The ProtoThrottle has two prototypical headlight switches, one for the front, the other for the rear.



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