31130/31143 Woods PTO Slip Clutch Assembly,
12R Series Driveline 1-1/16" Cap w/ Internal Snap Rings.
1-3/8" Bore w/ 2 Keyways Opposite.
Cross Drilled 7/16".
Woods shows 31130 as a "Field Installation Optional" Part Number.
In the Driveline Page the Clutch Assy is 31143.
Both are listed as 12R Series and no other options on the Smooth Bore side, only 1-3/8".
31130 is Ink Stamped on this, and it is a typical Woods ink stamp.
Parts book shows 2 wear linings/discs for each, but no individual part numbers on the 31130 page. The lining size specs out for the 31143.
So long story short, I have a clutch with 31130 on it, but by Woods book it is 31143. All the main points match up regardless of which number we actually go with.
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