Kobelco SK250-8 SK230-6E SK250-6E Excavator Swing Motor Assembly
Belparts excavator SK250-8 SK230-6E SK250-6E slewing motor assy for kobelco machinery
| PRODUCT DESCRIPTION | ||
| Model: SK250-8 SK230-6E SK250-6E | Part number: SG08 | |
| Brand: sany, liugong | Place of Origin:Other Country | |
| Condition: Original & Oem | Warranty: 12 months | |
| MOQ: 1 pcs | Production Capacity: 1000pcs /Month | |
| Standard or Nonstandard: Standard | Payment Term: L/C,T/T,Tradeassurance | |
| Delivery Time: 3-5 days (depend on order) | Means of Transport: By Sea, Air or DHL/EMS | |
| Guarantee: We will check and send detailed pictures to buyers for confirmation | ||
The main machine model as below:
| Brand | Model |
| Komatsu |
PC40, PC60-5-6-7, PC100, PC120, PC130, PC240, PC270, PC300,PC360,PC400,PC450,PC650,PC1250 PC200-1-3-5-6, PC220-1-3-5, PC300-3-5, PC400-1-3-5, D20, D30, D31, D50, D60, D75, D80 (D85), D155 |
| Hitachi |
EX40, EX60, EX150, EX100M, EX100, EX120, EX150, EX200-1-2-3, EX300-1-3-5, EX400, ZX450,ZX470,ZX870,ZX1200 |
| volvo | EC55/60, EC140,EC210, EC240, EC290, EC360, EC460, EC700 |
| Doosan | DH215, DH220, DH260, DH280, DH300, DH370, DH420, DH450, DH500 |
| Hyundai | R200, R210, R225, R265, R335, R455, R505 |
| HD250, HD400 (HD450), HD500, HD550, HD700 (HD770), HD800, HD820, HD850, DH880, HD1020, HD1220 (HD1250), HD1430, DH1880 | |
| Kobelco | SK200,SK210, SK220,SK260, SK300, SK330, SK350, SK450,SK460,SK480,SK800 |
| SH120, SH200, SH280, SH300, SH350, SH400, SH450, SH460, SH700 |
The excavator swing motor is one of the core components of hydraulic excavators, primarily responsible for achieving 360° rotation of the upper structure. As the key power element of the swing mechanism, its performance directly affects the machine's working efficiency, rotation accuracy and operational stability.
Structure and Working Principle
The swing motor typically consists of three main parts:
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Hydraulic motor unit: Converts hydraulic energy into mechanical energy to provide rotation torque
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Braking system: Includes mechanical brake and hydraulic release brake to ensure parking positioning
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Planetary reduction gear: Reduces speed and increases output torque
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