D20843 Track Adjuster Nut Threaded Fits John Deere 310 model-10004 Replaces Part Numbers: 646038M1

Replaces Part Numbers: 646038M1

One New Aftermarket Replacement Jackshaft to Header Countershaft Belt that fits Challenger Combine Models: 660 (SN HP87101>)

Fits Massey Ferguson Tractors: 50 (s/n 533423 and later)

Dim A (1) 64" Long - Gauge 1

D20843 Track Adjuster Nut Threaded Fits John Deere 310 model-10004 Replaces Part Numbers: 646038M1One New Aftermarket Replacement Track Adjuster Threaded Nut Fits Case Crawler Dozers This threaded track adjuster nut is used in the mechanical track tensioning system on Fits Case 310 series crawler dozers. It threads onto the track adjuster bolt (Fits Case D20845) at the front idler assembly to set and hold track tension by positioning the idler carrier. Proper track tension is critical for undercarriage longevity and safe dozer operation.