1. Product Informationa). Type: Crawler crane undercarriage partsb). Mainly include: Crawler crane track roller,Website:http://www.craneundercarriage.com, top roller, idler, ... /2000 hoursf). Accept OEM OR Drawing2. Suitable Machinery BRANDMODELFUWACC40, QUY35, QUY50, QUY50A, QUY50C, QUY50S, QUY55, QUY70, QUY70A, QUY80, QUY80A, QUY80B, QUY90 ...