Kobelco M5X130 SK200-8 SK210-8 Excavator Swing Motor for excavator spare parts

The excavator swing motor is one of the core components in the hydraulic system of an excavator, primarily responsible for driving the upper structure (including the cab, boom, arm, etc.) to rotate 360 degrees. The performance of the swing motor directly affects the operational flexibility and work efficiency of the excavator.

1. Hydraulic Drive Principle

The swing motor is driven by high-pressure hydraulic oil provided by the hydraulic system. When the operator manipulates the control lever, the hydraulic pump delivers high-pressure oil to the inlet of the swing motor, pushing the internal rotor to rotate. The rotation of the rotor is transmitted through the reduction mechanism to the swing bearing, thereby driving the upper structure of the excavator to rotate.

2. Structural Composition

The swing motor typically consists of the following main parts:

• Hydraulic Motor: Converts hydraulic energy into mechanical energy, driving the rotor to rotate.

• Reduction Mechanism: Reduces speed and increases torque, ensuring smooth and powerful swing motion.

• Swing Bearing: Connects the upper structure and the lower chassis, bearing the load during rotation.

• Brake System: Prevents the upper structure from continuing to rotate due to inertia when the operation stops, ensuring safety.

• 
  

3. Working Characteristics

• High Efficiency: The swing motor adopts advanced hydraulic technology to ensure high torque at low speeds, adapting to various working conditions.

• Smoothness: The precisely designed reduction mechanism and hydraulic control system ensure smooth and shock-free swing motion, reducing mechanical wear.

• Reliability: High-strength materials and strict manufacturing processes ensure that the swing motor can work stably for a long time even in harsh environments.

• 
  

• R210-7	31N6-10210
  EC210	14552686
  CAT325	191-2693
  PC220-7	206-26-00400
  EC460	14521444
  R220-9	39Q6-11100
  DX340	K1007543A
  PC200-8	706-7G-01170
  CAT330D	266-7922
  EC220D	14552686
  EC240	14542163
  EC360B	14619955
  EC360B	14630401
  EC360B	14635750
  EC380D	14680015
  EC140	14524188

• 
  

Company Information

Why Choose Us

Certifiion

Product Processing

Hot Production

FAQ

• Q: What are your terms of packing?
• A: Generally, we pack our goods in neutral wooden cartons. If you have a legally registered patent,
• we can pack the goods in your branded boxes after getting your authorization letters.
• Q: What about the payment options?
• A: PayPal, T/T, and other payments as request.
• Q: What are your terms of delivery?
• A: EXW, FOB, CFR, CIF, etc.
• Q: How about your delivery time?
• A: Generally, it will take 3 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
• Q: When can I get the price?
• A: We usually quote within 12 hours after we get your inquiry. If urgent to get the price,
• please call us or tell us by email, we will regard your inquiry priority.
• Q: How do you make our business long-term and good relationship?
• A: 1. We keep good quality and competitive price to ensure our customers benefit ;
• 2. We respect every customer as our friend and we sincerely do business and make friends with them,
• no matter where they come from.
• Q: Do you test all your goods before delivery?
• A: Yes, we have a 100% test before delivery.

Our Advantages

• Strong part number database.

• If you can provide the right model and part number, we can supply the right product.

• Professional and experienced salesperson.

• Our founder has been in this field for more than 9 years, with rich experiences.

• Strict and complete company rules.

• We will try our best to meet the customer’s delivery time. Before delivery, we must verify the part number or pictures of products one by one, to make sure that customers can receive high-quality and right-quantity goods.

• Good management system.

• No matter how big or small the order, as long as customers place the order, we will provide exporting services free of charge.

• Good service attitude.

• As long as customers’ requirements are reasonable, we will endeavor to make them satisfied.

Product Packing

GUANGZHOU BELPARTS ENGINEERING MACHINERY LIMITED founded in September 2013, loed in the engineering machinery market in Guangzhou, China. At present , we have one shop, one warehouse and one office as well as a professional team for purchasing, selling, packing, shipping and after-sale service.

Our main products are Excavator Hydraulic spare parts, Hydraulic pump, Swing motor, Travel motor, Final drive, Swing gearbox, Travel gearbox, Control valve,Monitor,Controller, Hydraulic cylinder and other hydraulic items with genuine and aftermarket quality. Until now, our products enjoy high reputation all over the world and have been exported to more than 150 countries and regions, spreading all over the Middle East, Southeast Asia, Africa, North America, South America, Europe and Oceania with its own brand "Belparts" are widely acclaimed by foreign customers.

In February 2023, Belparts Yunnan Tourism Team Building

In April 2024, Belparts participated in the Brazil Construction Machinery Exhibition and visited local clients in Brazil.

In April 2024, Belparts participated in the French Construction Machinery Exhibition and visited clients in France and Spain

In May 2024, Belparts Travel Thailand