... thread tray 4.Large-load chain Dimension Chart(mm): SY series of double-column hydraulic lift, simple, safe and reliable, a good ... or 4T for repair and maintenance. Features:1. electric series lift cable tubing all hidden, nice shape.2. the international ... than 80dB (A) Technical Parameters: model Capacity Rise&fall times Lift height hydraulic oil Pump station power Oil pressureSY-8235P3500/400040 ...