XKAQ-00746 XKAQ-00257 SWING REDUCTION GEAR SUN 1 Hyundai R360LC-7 R360LC-7A
Number: XKAQ-00746 XKAQ-00257 XKAQ00746 XKAQ00257
Type: SWING REDUCTION GEAR SUN 1
Application: Hyundai R360LC-7 R360LC-7A R370LC-7 R360LC-9 R430LC-9
Place of Origin:China/Japan
Packing: Fumigate Seaworthy Packing
Engine Brand: ISUZU/HINO/MITSUBISHI
Excavator Brand: New Holland/KOBELCO/HITACHI
XKAQ-00746 XKAQ-00257 XKAQ00746 XKAQ00257 SWING REDUCTION GEAR SUN 1 Hyundai R360LC-7 R360LC-7A R370LC-7 R360LC-9 R430LC-9 Excavator Spare Parts
Number: XKAQ-00746 XKAQ-00257 XKAQ00746 XKAQ00257
Type: SWING REDUCTION GEAR SUN 1
Application: Hyundai R360LC-7 R360LC-7A R370LC-7 R360LC-9 R430LC-9
Place of Origin:China/Japan
Packing: Fumigate Seaworthy Packing
Engine Brand: ISUZU/HINO/MITSUBISHI
Excavator Brand: New Holland/KOBELCO/HITACHI
7-SERIES CRAWLER EXCAVATOR R360LC7A R370LC7 Hyundai SWING REDUCTION GEAR Parts
9-SERIES CRAWLER EXCAVATOR R360LC9 R380LC9A R380LC9DM R380LC9MH R380LC9SH R390LC9 R430LC9 R430LC9A R430LC9SH R360LC-7 R360LC-7A R370LC-7 R360LC-9 R380LC-9A R380LC-9DM R380LC-9MH R380LC-9SH R390LC-9 R430LC-9 R430LC-9A R430LC-9SH Hyundai SWING REDUCTION GEAR Parts
F-SERIES CRAWLER EXCAVATOR HX380L HX430L Hyundai SWING REDUCTION GEAR Parts





2. 31NA-10150 [1] SWING REDUCTION GEAR STD
*-2. 31NA-10151 [1] SWING REDUCTION GEAR STD
*-2. 31NA-10152 [1] REDUCTION GEAR STD
1. XKAQ-00144 [1] CASING
1. XKAQ-00773 [1] CASING
2. XKAQ-00300 [1] SHAFT-DRIVE
2. XKAQ-00739 [1] SHAFT-DRIVE
3. XKAQ-00146 [1] BEARING-ROLLER
4. XKAQ-00147 [1] PLATE-COVER
4. XKAQ-00747 [1] PLATE-COVER
5. XKAQ-00148 [8] BOLT-HEX
6. XKAQ-00149 [1] SEAL-OIL
7. XKAQ-00027 [1] BEARING-ROLLER
*. XKAQ-00264 [1] CARRIER ASSY-NO 2
8. XKAQ-00251 [1] CARRIER 2
8. XKAQ-00740 [1] CARRIER 2
10. XKAQ-00776 [4] GEAR-PLANET 2
10. XKAQ-00741 [4] GEAR-PLANETARY 2
11. XKAQ-00254 [4] PIN 2
N12. @ [4] BUSHING
N33. @ [4] PIN-SPRING
13. XKAQ-00050 [4] PIN-SPRING
14. XKAQ-00156 [4] WASHER-THRUST
14. XKAQ-00411 [4] WASHER
*. XKAQ-00262 [1] CARRIER ASSY-NO 1
15. XKAQ-00325 [1] CARRIER 1
15. XKAQ-00743 [1] CARRIER 1
16. XKAQ-00257 [1] GEAR-SUN 1
16. XKAQ-00746 [4] GEAR-SUN 1
17. XKAQ-00777 [4] GEAR-PLANET 1
17. XKAQ-00774 [4] GEAR-PLANET 1
18. XKAQ-00019 [4] PIN 1
18. XKAQ-00415 [4] PIN 1
19. XKAQ-00030 [4] CAGE-NEEDLE
20. XKAQ-00040 [4] PLATE-SIDE 2
20. XKAQ-00416 [4] PLATE 2-SIDE
21. XKAQ-00048 [4] PIN-SPRING
22. XKAQ-00258 [1] GEAR-RING
22. XKAQ-00420 [1] GEAR-RING
23. XKAQ-00072 [2] PIN-KNOCK
24. XKAQ-00259 [16] BOLT-SOCKET
25. XKAQ-00162 [1] SPACER
25. XKAQ-00775 [1] SPACER
26. XKAQ-00163 [1] GEAR-PINION
26. XKAQ-00749 [1] GEAR-PINION
27. XKAQ-00299 [1] PLATE-LOCK
28. XKAQ-00042 [4] BOLT-HEX
29. XKAQ-00041 [4] RING-STOP
30. XKAQ-00273 [1] PLUG
31. XKAQ-00274 [2] PLUG
32. XKAQ-00057 [4] PLATE-SIDE 1
32. XKAQ-00417 [4] PLATE 1-SIDE
33. XKAQ-00165 [4] PIN-SPRING
34. XKAQ-00166 [1] BAR-GAUGE
35. XKAQ-00167 [1] PIPE-GAUGE
36. XKAQ-00292 [2] WASHER-LOCK
37. XKAQ-00169 [1] COVER
37. XKAQ-00750 [1] COVER
38. XKAQ-00170 [4] BOLT-SOCKET
39. XKAQ-00155 [1] PLUG-SOCKET
40. XKAQ-00171 [1] RING-SPACER
42. XKAQ-00143 [1] POST-AIR BREATHER
42. XKAQ-00798 [1] AIR BREATHER ASSY
42-1. XKAQ-00797 [1] CAP-ARI BREATHER
42-2. XKAQ-00799 [1] POST AIR BREATHER
43. XKAQ-00260 [1] RING-THRUST
43. XKAQ-00422 [1] RING-THRUST
44. XKAQ-00252 [1] GEAR-SUN 2
44. XKAQ-00745 [1] GEAR-SUN 2
45. XKAQ-00751 [1] O-RING
N. @ [1] NOT SUPPLIED PARTS










GZ Wins Construction Machinery Co., Ltd. is engaged in development, production, marketing and agency services.
We are a manufacturer of specialization and diversification engineering machinery parts. Our products are selling well in America, Europe, Southeast Asia, the Middle East, Africa and other countries and regions.
We Provide Original Genuine Kobelco Parts,Include the following;
Kobelco Air-conditioning System,A/C Assembly, A/C Hose,A/C Compressor,A/C Condenser,Blower Assembly,Evaporator,A/C Pipe,A/C Receiver, A/C Filter.
Kobelco Body & Stamping Parts,CAB Assy, Engine Mounting,Engine Hood, Car Body,Door Panel,Roof.
Kobelco Hydraulics System,Set plate,Piston shoe,Cylinder block,Valve plate,Drive shaft,Ball guide,Piston pump,Gear pump.
We Provide Genuine MITSUBISHI HINO ISUZU Engine Parts.
Hino:J05E, J08E, P11C.
Mitsubishi: D04FR,4M40,6D16,6D22,6D24,6D31,6D34.
Isuzu:4HK1,4JJ1,4LE1,4LE2,4JB1,4BG1,6HK1,6WG1,6BG1,6UZ1,6BD1.
KOBELCO:SK60-III SK60-5 ,SK75-8,SK120LC-III SK120-5 ,SK130LC,SK140-8 SK140SRLC ,SK150LC,SK160,SK170,SK200-3 SK200-5 SK200LC-6E? SK200SR SK200-8,SK210LC-6E SK210LC-8, SK235SR,SK250LC-6E SK250 SK250-8,SK260-8 SK260-9,SK270,SK290LC,SK300LC-2 SK300LC-3 ,SK330LC-6E SK330,SK330LC-6E SK330-8 SK330-6,SK350-8 SK350LC SK350-9 ,SK460?SK460LC-IV SK480LC-6E SK460-8 SK480-6S ,SK485LC SK485-8 .
Kobelco Engine Assy,Engine Gasket Kits,Camshaft,Sprocket Camshaft,Tensioner,Crankshaft,Crankshaft Pulley,Crankshaft Bearing,Valve,Valve Seat,Valve Arm,Rocker Cover,Valve Spring,Valve Guide,Cylinder Head,Cylinder Liner,Cylinder Block,Washer,Piston,Piston Pin,Piston Ring,Piston Liner,Flywheel,Ring Gear of Flywheel,Timing Chain/Belt,Connecting Rod,Connecting Rod Bearing,Rocker Arm Shaft,Valve Cotter,Thrust Washer.
Injection Fueling System,Air Cleaner,Air Cleaner Cover,Exhaust Muffler,Exhaust Manifold,Exhaust Pipe,Intake Manifold,EGR Tube,Radiator,Water Hose,Fan,Thermostat,Oil Pan,Oil Level Gauge,Oil Filter.

Global Logistics & Secure Transit
We deliver high-performance construction machinery parts to wholesalers, repair shops, and operators worldwide. To minimize your machinery downtime, we offer flexible shipping options tailored to your urgency and budget:
Our Reliable Shipping Methods:
- Express Delivery (DHL, FedEx, UPS): 3–7 business days worldwide. Best for urgent orders (e.g., electronic controllers, injector nozzles, seal kits).
- Standard & Economy Shipping: 7–21 days depending on the destination. Ideal for cost-effective transit with full end-to-end tracking.
- Sea Freight & Air Cargo: Recommended for heavy assemblies such as complete engine blocks, hydraulic main pumps, and undercarriage track links.
Dispatch Timeline:
- Orders for in-stock items placed before 2:00 PM (GMT+8, Monday–Friday) are dispatched the same day.
- Later orders or customized orders will be shipped the next working day.
Critical Selection Reminder: Please make sure your Part Numbers match our product listings. If you are unsure, simply contact our engineering team via WhatsApp. We will cross-verify compatibility using official electronic catalogs (SIS/EPC) based on your machinery nameplate.
Payment Methods & Export Terms
To ensure a smooth B2B procurement experience, WinsParts supports multiple secure global payment methods:
- International Credit/Debit Cards: Secure online processing via Visa, Mastercard, and major global gateways.
- Digital Wallets: Fast and verified transfers via PayPal and Stripe.
- Bank Telegraphic Transfer (T/T): Recommended for large-scale wholesale orders. A formal Proforma Invoice (PI) containing our official corporate bank details will be sent via email upon order confirmation.
Export Customs & VAT Policy:
- All prices displayed on our website are exclusive of local VAT and destination import duties unless specified otherwise.
- Full shipping documentation—including Commercial Invoices, Packing Lists, and Certificates of Origin (CO)—is provided with every shipment to ensure seamless customs clearance in your country.
Gz Wins Construction Engineering Co., Ltd. is a premier manufacturer and global supplier specializing in the diversification of engineering machinery parts. With over a decade of industry expertise, we integrate development, production, and professional marketing to provide a one-stop solution for the world’s most demanding machinery brands.
We don’t just sell parts; we manage reliability. Our products are rigorously tested and successfully exported to America, Europe, Southeast Asia, the Middle East, and Africa. We pride ourselves on maintaining a massive inventory that ensures your machinery downtime is kept to an absolute minimum.
Strategic Brand Specialization
We are the preferred choice for heavy machinery operators who prioritize uptime and performance. Our inventory is specifically optimized for:
KOBELCO Excavators: * Unrivaled stock of Genuine Engine Components series.Full range of Hydraulic Pump & Valve solutions to restore factory-speed operation.
HITACHI Excavators: * Comprehensive parts support for Zaxis series, from ISUZU engine internals to advanced electronic controllers.
Why Professional Buyers Choose Us:
Technical Match Precision: We use official parts catalogs to ensure 100% compatibility based on your machine’s serial number.
Global Supply Strength: Specialized export experience to America, Europe, and the Middle East ensures smooth logistics for your KOBELCO and HITACHI parts.
