Idler For Sumitomo LS138RH5 with competitive price. Except Idler, we can supply Track shoe and Lower Roller for Sumitomo LS138RH5 Crawler Crane. If you need the undercarriage parts for sumitomo LS138RH5 Crawler Crane, please email to us.
The Idler main function is lead the crawler belt roll correctly, at the same time using the tensioning device making idler to adjust the crawler tensioning degree. So the idler is not only the guide wheel, also is the tension wheel.