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Thread: Tracked excavator slip-on transport dollies - GIF

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    Tracked excavator slip-on transport dollies - GIF


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    jimfols (Feb 6, 2023), nova_robotics (Feb 6, 2023), Rangi (Feb 6, 2023)

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    Supporting Member desbromilow's Avatar
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    sleipner make these for quite large excavators, and the excavator is towed by a 793F haultruck by dumping a bucket of dirt in the tray of the truck, and then putting the bucket on the dirt as a cushion/bearing. The truck then drives normally towing the excavator behind it.

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    Quote Originally Posted by desbromilow View Post
    sleipner make these for quite large excavators, and the excavator is towed by a 793F haultruck by dumping a bucket of dirt in the tray of the truck, and then putting the bucket on the dirt as a cushion/bearing. The truck then drives normally towing the excavator behind it.
    here's their website: https://www.sleipner.fi/

    Pretty cool stuff!

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    Supporting Member WmRMeyers's Avatar
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    Quote Originally Posted by Altair View Post
    Tracked excavator slip-on transport dollies.

    <video controls autoplay loop> <source src="https://s3-us-west-1.amazonaws.com/hmt-forum/excavator_addon_axle_tt.mp4" type="video/mp4"> Your browser does not support the video tag. </video>


    Previously:

    Truck transporting excavator crashes into bridge - GIF
    How excavator track chain is made - GIFs
    Excavator puts on its own track - GIF
    Excavator loader climbing hopper car - photo
    Self-loading excavator GIF
    My brain kept reading the title word dollies and doilies. I could not understand why they'd need a doily for an excavator... My grandma made doilies. https://en.wikipedia.org/wiki/Doily I think my brain is officially fried for today!

    Bill

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    Supporting Member schuylergrace's Avatar
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    So, is that just to keep the tracks from making a mess of the roadway? It doesn't look like something I'd want to run much faster than they are going, but I've seen much worse looking rigs in the little pulpwood logging trucks back home, which go flying up and down the roads with bits falling off.

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    Supporting Member KustomsbyKent's Avatar
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    I believe it is to minimize wear to the undercarriage system for the tracks. Roller and track plates and sprockets have wear happening during movement, so minimizing movement decreases that wear and so saves significant cost. Pricing undercarriage parts for even a small excavator are expensive....so I think its a safe assumption that these big ones are proportionally expensive!

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    Supporting Member Frank S's Avatar
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    Not only to reduce wear and tear on the tracked machine but if you have ever had to follow a tracked machine in a welding rig you know how rough the surface gets behind them.



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