Construction Machinery Parts Hydraulic Rotary Reducer Assembly DX500-7 Travel Device Reduction Excavator Swing Gearbox Specifiion Product Name Swing geabox Model R130 Condition 100% new Availability 150kg Appliion Crawler Excavator Type Hydraulic Material Alloy Steel Who choose us ? Professional Team The company has 9 years of experience in foreign trade accessories, internal regular training product knowledge, better service for customers Quick Response Our salesmen