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  1. C

    Choosing the right thumb

    Thanks for the reference to PSM. The site mentions mounting a pin attached thumb on a quick coupler, a combination I'd never considered. A coupler would certainly make my second bucket more practical. Do most quick attach couplers that grab pins affect digging or breakout force enough to...
  2. C

    Choosing the right thumb

    Background: I have a drott/case cruz air 45 rubber tire excavator purchased for use as a site machine for landscaping projects. It has a digging and a ditching bucket with a separate knuckle, but I never switch buckets because of effort involved. My current project is building a terrace using...
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