... and nut. Carrier Roller 2.Ground engaging tools: bucket, teeth point, adapter, ripper, cutting edge, grapple, quick coupler ... Starting Motor, rotary motor, travel motor, 6.Construction Machine: excavator, bulldozer, crawler crane, wheel loader, motor grader etc.7 ... ExtractingKN120Machine Tont20~ 40Clamping ForceKN680Hydraulic MotorModelF12-80 Excavator Side Clamping Type Hydraulic Sheet Piling Hammer