File:UP Big Boy T-Truck Rocker Arr.jpg: Revision history

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31 October 2018

  • curprev 14:5014:50, 31 October 2018‎ Dnevil talk contribs‎ 367 bytes +367‎ Attached is a portion of the trailer truck arrangement drawing for a UP Big Boy. You can see the way the prototype rocker, rocker seat and bearing, and the rocker plate (which is mounted on the bottom of the frame cradle) were designed. Notice the "te...
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