873G drive belt tensioner

Skidsteer Forum - Bobcat, New Holland, Case, John Deere

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LeroyJackson

New member
Joined
Oct 19, 2025
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3
Hey folks, looking for someone who knows how the 873 drive belt tensioner works. I just replaced the belt with oem part
and it is really loose and I am thinking the tensioner is broken. Is there a spring inside the upper part of the arm, or does the
long horizontal spring provide the tension? Will another type tensioner work? Any insight would be appreciated!!

2000 873 with 2600 hrs
 

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