Due to the COVID-19 Outbreak, the National Construction Equipment Museum is closed to the public until further notice. The office is open from 9:00 to 5:30 Eastern on weekdays.  

Also due to the outbreak, our 2020 International Convention & Old Equipment Exposition has been POSTPONED. Instead of this August, it will be held August 27-29, 2021, at the same location near Concordia, Kansas.  

Updates will be posted here and to our social media pages. Thank you for your understanding, and be well. 


  • 07/25/2018 3:44 PM
    Message # 6398270

    In the early- to mid- 50s, there was a show on television where inventors presented their ideas, looking for funding or customers. I remember one who had a blade control for a gearbox-style Cat grader. (Perhaps that was the only style at that time.) The operator held a miniature moldboard with both hands and moved it in the way he wanted the real moldboard to move. A complex linkage engaged the proper clutches to move the moldboard. I don't think there was any feedback, so when the board got to the desired position, he returned the miniature board to neutral. Did this idea ever get to the market? If you have a better memory than I, please fill in the details.

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