Guangzhou XinFeng Engineering Machinery Co., Ltd.
| Certifiion | ISO9001 |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 500-Sets/month |
| Delivery Time | 3-5 days |
| Packaging Details | Wooden Case Packing |
| Part Number | 4241171 4334356 |
| Video outgoing-inspection | Provided |
| Product name | EX120-2 EX120-3 |
| Delivery time | 3 Days |
| Warranty | 6 Months |
| Packing | Wooden box,standar packing with safety |
| Product class | Excavator swing motor |
| Marketing Type | New Product 2021 |
| Brand Name | Hitachi |
| Model Number | EX120-2 EX120-3 |
| Place of Origin | China |
View Detail Information
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Product Specification
| Certifiion | ISO9001 | Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 500-Sets/month | Delivery Time | 3-5 days |
| Packaging Details | Wooden Case Packing | Part Number | 4241171 4334356 |
| Video outgoing-inspection | Provided | Product name | EX120-2 EX120-3 |
| Delivery time | 3 Days | Warranty | 6 Months |
| Packing | Wooden box,standar packing with safety | Product class | Excavator swing motor |
| Marketing Type | New Product 2021 | Brand Name | Hitachi |
| Model Number | EX120-2 EX120-3 | Place of Origin | China |
| High Light | HITACHI EXCAVATOR PARTS SWING MOTOR ，4241171 EXCAVATOR PARTS SWING MOTOR ，4334356 EXCAVATOR PARTS SWING MOTOR | ||
Product Descri
| Pos. | Part No | Qty | Parts name | Comments |
| 4334356 | [1] | MOTOR;OIL | 614700 | |
| 1 | +++++++ | [1] | HOUSING | |
| 2 | 4334357 | [1] | ROTARY GROUP | 614800 |
| 3 | 4286402 | [1] | SHAFT ASSY | 407900 |
| 4 | 4327557 | [1] | COVER ASSY | 605300 |
| 5 | 407701 | [1] | RING | |
| 6 | 407702 | [1] | PISTON | |
| 7 | 407703 | [2] | PLATE | |
| 8 | 407704 | [3] | PLATE | |
| 9 | 407705 | [1] | SEAL;OIL | |
| 10 | 407706 | [1] | RING;RETAINING | |
| 13 | A810130 | [1] | O-RING | |
| 14 | 407707 | [2] | O-RING | |
| 15 | 407708 | [1] | O-RING | |
| 16 | 407709 | [1] | BRG. | |
| 17 | 407710 | [1] | PLATE | |
| 18 | 254007 | [16] | SPRING | |
| 19 | 407711 | [1] | CASE | |
| 20 | 330402 | [1] | O-RING |
| Undercarriage spare parts: | Track shoe, Track Link, Bolt, Track roller, Carrier Roller, Sprocket, Front Idler, Idler Cushion ...... |
| Engine spare parts: | Engine assy,Cylinder Head,Cylinder Block,Turbocharger,Piston, Piston Ring, Metal, Crankshaft, Oil Pump, Fuel injection Pump,Water Pump, Alternator, Starting Motor ...... |
| Hydraulic spare parts: | Main Valve, Main Pump, Solenoid Valve, Boom/Arm/Bucket Cylinder, Final Drive, Travel Motor, Swing Machinery, Swing Motor ...... |
| Operator's Cab spare parts: | Cab Assy, Monitor, Controller, Engine Controller, Wiring Harness, Seat, Air Conditioner, Air Compressor...... |
| Cooling parts: | Radiator, heat sink, air conditioner, compressor, after cooler , water cooler hydraulic oil cooler ...... |
| Other parts: | Service kit, swing circle, engine hood, swivel joint, fuel tank, filter, boom, arm, bucket |
About Xinfeng Machinery (XF) parts:
Theory
The excavator slewing motor is one of the key components of the excavator slewing system. It is mainly responsible for driving the slewing mechanism of the excavator so that it can rotate in the horizontal direction. The following is the basic principle of the excavator slewing motor:
Hydraulic drive: The excavator slewing motor uses a hydraulic system to provide power. The hydraulic system consists of a hydraulic pump, a hydraulic oil tank, a hydraulic pipeline and a slewing motor. The hydraulic pump extracts and pressurizes the hydraulic oil from the tank, and transmits the high-pressure hydraulic oil to the slewing motor through the hydraulic pipeline, thereby driving the operation of the slewing motor.
Gear transmission: The excavator slewing motor uses gear transmission to achieve rotation. The slewing motor is usually composed of multiple gears, including a driving gear and a driven gear. The driving gear drives the driven gear to rotate through the high-pressure hydraulic oil provided by the hydraulic system, thereby realizing the rotation of the slewing motor. The size and number of teeth of the gear determine the speed and torque output of the slewing motor.
Hydraulic control: The rotation speed and direction of the excavator slewing motor can be achieved through hydraulic control. The hydraulic system is equipped with a flow control valve and a direction control valve to control the speed and direction of the slewing motor by adjusting the flow and direction of the hydraulic oil. The flow control valve is used to adjust the flow of hydraulic oil to control the speed of the motor; the direction control valve is used to change the flow direction of hydraulic oil to achieve forward and reverse rotation of the motor.
Bearing support: The gears and bearings inside the excavator swing motor are supported and maintained in relative position by the bearing system. The bearing system can reduce the friction between the gears and the shaft, and bear the radial and axial loads generated by the swing motor to ensure the stable operation of the swing motor.
Through hydraulic drive, gear transmission and hydraulic control, the excavator swing motor can achieve smooth and controllable swing motion. The appliion of its principle enables the excavator to achieve accurate rotation and positioning during work, improving work efficiency and flexibility.
Advantages
Warehouse Display
Packaging and Delivery
FAQ
1. How to quickly and accurately buy products what lneeded?
A: Provide the original parts number to us to check.
2. How long have you been in the excavator
A: We are engaged in excavator parts since 1998
3. lfI don't know the part number,what shouldI do?
A: Please send us size and pictures of old products.
4. What is the warranty of the products?
A: The warranty is 6/12 Months based on the specific product.
5. How long is your delivery time?
A: The normal delivery time is 3-5 days for stock sproductsafter getting payment. lf not in stock, we will inform you thetime requlred.
6. Which shipping term you can supply?
7. What is your MOQ?
A: Small order and sample order are acceptable
8. Do you have any After-Sales service?
A: Yes!Our
Company Details
Business Type:
Manufacturer,Agent,Trading Company,Seller
Year Established:
1998
Total Annual:
500000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
About Xinfeng Machinery (XF) parts: Xinfeng Machinery Parts Company was established in 1998. It is a professional team composed of high-quality technical personnel integrating production, maintenance, sales, and service. It is committed to providing customers with high-quality and effic... About Xinfeng Machinery (XF) parts: Xinfeng Machinery Parts Company was established in 1998. It is a professional team composed of high-quality technical personnel integrating production, maintenance, sales, and service. It is committed to providing customers with high-quality and effic...
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