Guangzhou Zhenhui Machinery Equipment Co., Ltd
| Payment Terms | L/C,T/T,D/A,D/P,Western Union,MoneyGram |
| Supply Ability | 5000set/month |
| Delivery Time | 1~8days |
| Packaging Details | CARTON |
| Part name | Swing Motor Assembly |
| Brand | Kawasaki (KPM Japan) |
| quality | high |
| Condition | New / Replacement |
| Package | Standard export wooden case |
| OEM/Aftermarket | OEM Quality Replacement |
| Application | Hydraulic Swing Drive for Heavy Excavator |
| Brand Name | Kawasaki (KPM Japan) |
| Model Number | Hitachi EX1900 Excavator |
| Certification | EC ISO |
| Place of Origin | Japan |
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Product Specification
| Payment Terms | L/C,T/T,D/A,D/P,Western Union,MoneyGram | Supply Ability | 5000set/month |
| Delivery Time | 1~8days | Packaging Details | CARTON |
| Part name | Swing Motor Assembly | Brand | Kawasaki (KPM Japan) |
| quality | high | Condition | New / Replacement |
| Package | Standard export wooden case | OEM/Aftermarket | OEM Quality Replacement |
| Application | Hydraulic Swing Drive for Heavy Excavator | Brand Name | Kawasaki (KPM Japan) |
| Model Number | Hitachi EX1900 Excavator | Certification | EC ISO |
| Place of Origin | Japan | ||
| High Light | Hitachi EX1900 Excavator Swing Motor ，Kawasaki MX750 Swing Motor ，Genuine Hydraulic Slew Drive Assembly | ||
4439383 4440905 Kawasaki MX750 Swing Motor for Hitachi EX1900 Excavator – Genuine Hydraulic Slew Drive Assembly
| Parameter | Specification |
| Product Name | Swing Motor Assembly |
| Part Number | 4439383, 4440905 |
| Motor Model | MX750 |
| Applicable Machines | Hitachi EX1900 Excavator |
| Brand | Kawasaki (KPM Japan) |
| Country of Origin | Japan |
| Condition | New / Replacement |
| Function | Rotates the upper structure of the excavator |
| Application | Cooling System – Excavator Radiator Fan Drive |
| Material - Housing | High-Strength Cast Iron |
| Material - Internal Gear | Hardened Tool Steel |
About Us
– Professional Excavator Parts Supplier Since 2012
we are a trusted supplier specializing in high-quality excavator spare parts for a wide range of leading machinery brands. Our product line includes:
Engine assemblies , Hydraulic pumps ,Final drive motors ,Swing motors with gearbox , Main control valves ,Pilot valves, solenoid valves, joysticks, sensors, and more.
Our parts are fully compatible with well-known brands including Caterpillar (CAT), Komatsu, Hitachi, Kobelco, Hyundai, Volvo, Doosan, Sumitomo, Case, and SANY.
We take pride in offering:
✅ Reliable product quality
✅ Competitive factory prices
✅ Fast delivery and global shipping
✅ Attentive after-sales support
We believe in long-term cooperation and a win-win business philosophy, aiming to support our partners in maximizing equipment uptime and reducing maintenance costs.
Packaging & Delivery
Each motor is professionally packed in a sturdy export-grade wooden case, with moisture-proof and shock-resistant treatment to ensure safety during transit.
We support express shipping (DHL, FedEx, UPS), air freight, and sea freight depending on order size and destination.
Delivery typically takes 3–7 working days for in-stock units, and 15–30 days for special orders.
Goods can be shipped from Guangzhou, or any designated port.
Trade terms such as FOB, CIF, DDP are available upon request.
Q: Which machine is this swing motor compatible with?
A: It is designed for the Hitachi EX1900 large excavator.
Q: What is the part number for this motor?
A: It can be referenced by either 4439383 or 4440905, both referring to the MX750 model.
Q: What is the function of the MX750 swing motor?
A: The motor controls the rotation (slew) of the upper body of the excavator.
Q: Is this an original Kawasaki motor?
A: Yes, this is a genuine Kawasaki KPM Japan swing motor assembly.
Q: Do you offer other parts for Hitachi EX1900?
A: Yes, we offer main pumps, travel motors, cylinders, control valves, and more for EX1900.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2012
Total Annual:
20000000-50000000
Employee Number:
30~50
Ecer Certification：
Verified Supplier
Guangzhou Zhenhui Machinery Co., Ltd. was established in 2012. It is a modern enterprise specializing in the production of excavator accessories and various supporting operating devices for excavators. It has various imported high-end production equipment and precision testing equipment from Germany... Guangzhou Zhenhui Machinery Co., Ltd. was established in 2012. It is a modern enterprise specializing in the production of excavator accessories and various supporting operating devices for excavators. It has various imported high-end production equipment and precision testing equipment from Germany...
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