Belparts JMF43 DH80 170303-00039 swing drive motor for doosan hydraulic travel motor
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.
Technical Parameters:
| Model | DH80 |
| Usage | Excavator |
| Apply For | Excavator parts |
| Part number | 170303-00039 |
| Place Of Country | China |
| Payments | T/T, PayPal, Trade Assurance |
| Part Name | Swing Motor |
| Keywords | Swivel Mechanism Assembly, Pivot Motor Set, Oscillating Drive System |
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:
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Hydraulic Motor: Converts hydraulic energy into mechanical energy, driving the rotor to rotate.
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Reduction Mechanism: Reduces speed and increases torque, ensuring smooth and powerful swing motion.
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Swing Bearing: Connects the upper structure and the lower chassis, bearing the load during rotation.
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Brake System: Prevents the upper structure from continuing to rotate due to inertia when the operation stops, ensuring safety.
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3. Working Characteristics
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High Efficiency: The swing motor adopts advanced hydraulic technology to ensure high torque at low speeds, adapting to various working conditions.
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Smoothness: The precisely designed reduction mechanism and hydraulic control system ensure smooth and shock-free swing motion, reducing mechanical wear.
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Reliability: High-strength materials and strict manufacturing processes ensure that the swing motor can work stably for a long time even in harsh environments.
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List of spare parts
| # | Part No | Part Name | Comment | Qty. | Price request |
| 3 | 150102-00024 | BLOCK, CYLINDER | 2 kg | 1 | |
| 4 | 130712-00066 | SHAFT | 1 kg | 1 | |
| 5 | 140107-00024 | BEARING, ROLLER | | 1 | |
| 6 | 131002-00046 | BUSHING | | 1 | |
| 7 | 250201-00174 | PLATE, SHOE | | 1 | |
| 8 | 111601-00040 | SPRING | | 9 | |
| 9 | 250107-00084 | PLATE, FRONT | | 1 | |
| 10 | 400901-00007 | PISTON & SHOE ASSY | | 9 | |
| 11 | 430216-00009 | JOINT | | 1 | |
| 12 | 110508-00347 | COVER | | 1 | |
| 13 | 120501-00138 | PIN | | 2 | |
| 14 | 401002-00063 | RING, O | | 1 | |
| 15 | 140101-00046 | BEARING, BALL | | 1 | |
| 16 | 250201-00175 | PLATE, VALVE | | 1 | |
| 17 | 410127-00034 | VALVE ASSY, RELIEF | | 2 | |
| 18 | 850335-00021 | WRENCH | | 4 | |
| 19 | 430221-00082 | PLUG | | 1 | |
| 20 | 430221-00083 | PLUG | | 1 | |
| 21 | 401002-00064 | RING, O | | 1 | |
| 22 | 111102-00006 | RING, BACK UP | | 2 | |
| 23 | 401002-00065 | RING, O | | 2 | |
| 24 | 130113-00008 | PLATE, FRICTION | | 2 | |
| 25 | 240303-00002 | SEPARATOR | | 3 | |
| 26 | 130602-00086 | PISTON, PARKING | 1 kg | 1 | |
| 27 | 401002-00066 | RING, O | | 1 | |
| 28 | 401002-00067 | RING, O | | 1 | |
| 29 | 111601-00041 | SPRING | | 16 | |
| 30 | 410116-00063 | VALVE, TIME DELAY | | 1 | |
| 31 | 850335-00022 | WRENCH | | 3 | |
| 32 | 420-00112 | PLUG | | 2 | |
| 33 | 401002-00068 | RING, O | | 2 | |
| 34 | 430221-00084 | PLUG | 1 kg | 2 | |
| 35 | 111601-00042 | SPRING | | 2 | |
| 36 | 430221-00085 | PLUG | | 2 | |
| 37 | 401002-00069 | RING, O | | 2 | |
| 38 | 401002-00070 | RING, O | | 2 | |
| 39 | 111102-00007 | RING, BACK UP | | 2 | |
| - | 170303-00039 | MOTOR, SWING | | 1 | |
| 1 | 160601-00014 | BODY | | 1 | |
| 2 | 401106-00043 | SEAL, OIL | | 1 | |
Exhibition Strength
In the past few years, in order to sell our products all over the world, we have participated in many exhibitions, such as Beijing Construction Machinery Exhibition in 2017, Shanghai Bauma Exhibition in 2018, German Exhibition in 2019, and we will continue to participate in various exhibitions in the future to let our products go to the world.
Company information
FAQ:
What is the warranty time of the products?
The warranty time is 6/12 months based on the item details; We don't provide warranty time for original and used products.
2.What is your delivery time?
Generally, we will arrange the goods within 24 hours after your payment; if not in stock, stocking time is 1-7 days.
3.What are your main products ?
We are specialized in spare parts for excavator hydraulic system, such as travel/swing motor, travel/swing gearbox/parts, hydraulic pump/parts,gear parts,etc.If you need other excavator parts, we also can supply as your requirements.
4.How can I do if there is something wrong with the goods?
First at all, we have confidence in the quality of our products, if you really found something wrong, please provide pictures or video for us and we will check. After it is confirmed, please return the goods to us and we will offer the correct item.
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Belparts JMF43 DH80 170303-00039 Swing Drive Motor For Doosan Hydraulic Travel Motor Images
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