-
Excavator Hydraulic Pump
-
Excavator Hydraulic Pump Parts
-
Travel Motor Assy
-
Excavator Swing Motor
-
Swing Gearbox
-
Excavator Control Valve
-
Travel Gearbox
-
Excavator Final Drive Parts
-
Excavator Center Joint
-
Hydraulic Gear Pump
-
Hydraulic Fan Motor
-
Excavator Spare Parts
-
Excavator Controller
-
Excavator Monitor
-
Excavator Relief Valve
-
Excavator Hydraulic Cylinder
-
Diesel Engine Assembly
-
krystal burgessAS ALWAYS, FAST AND FRIENDLY SERVICE.
-
James McBrideTransaction went smoothly, Seller was very helpful. Product arrived as promised, Very happy and will do business with them in future.
-
Dallas Skinnervery happy with all aspects of order. Communication was great from ordering to delivery
-
claudio vera garciathe product of very good quality. arrived in perfect condition and at the agreed time.
-
Daniela CzapskaI'm very satisfied! Transaction at the highest level. Item very well packed. Recommended the Seller
Excavator Spare Parts R305-7 31N8-40011 Travel Motor Assy For Hyundai Hyundai Motor

Contact me for free samples and coupons.
WhatsApp:0086 18588475571
Wechat: 0086 18588475571
skype: sales10@aixton.com
If you have any concern, we provide 24-hour online help.
xModel | R305-7 | Part Number | 31N8-40011 |
---|---|---|---|
Application | Excavator Spare Parts | Part Name | Hydraulic Travel Motor |
Brand Name | Hyundai | Application | Hyundai Excavator |
Quality | High Guarantee | Material | Steel |
Highlight | Hyundai travel motor assy,31N8-40011 travel motor assy,R305-7 travel motor assy |
Excavator spare parts R305-7 31N8-40011 XJCK-00123 XJCK-00042 travel motor assy for Hyundai hyundai motor
The excavator undercarriage assembly is a critical component of the machine’s chassis system, responsible for supporting the entire weight and providing mobility. It typically consists of tracks, sprockets, idlers, rollers (carrier and track), and travel motors. The design of the undercarriage directly impacts the excavator’s stability, traction, and operational efficiency. A high-quality undercarriage ensures smooth movement across rough terrain, minimizes slippage and wear, and offers excellent durability for demanding applications in mining, construction, and agriculture.
Product Information
Appliion | Excavator |
Part name | Final Drive Assy |
Model |
31N8-40011 XJCK-00123 XJCK-00042 |
Model | R305-7 |
Payment term | T/T, Western union, PayPal |
Delivery | 3 days after the payment received |
Shipment | by sea, by air, by express or as required |
List of spare parts
# | Part No | Part Name | Qty. | Price request |
---|---|---|---|---|
* | 31N8-40011 | TRACK MOTOR | 1 | |
*-1 | XJCK-00123 | TRAVEL MOTOR UNIT | 1 | |
27 | XJCK-00045 | CASING | 1 | |
28 | XJCK-00122 | COVER-REAR | 1 | |
29 | XJCK-00121 | BLOCK-CYLINDER | 1 | |
30 | XJCK-00042 | RETAINER-SHOE | 1 | |
31 | XJCK-00041 | PLATE-FRICTION | 4 | |
32 | XJCK-00040 | PISTON-BRAKE | 1 | |
33 | XJCK-00039 | PLATE-SEPARATING | 5 | |
34 | XJCK-00120 | PLATE-VALVE | 1 | |
35 | XJCK-00037 | SHAFT | 1 | |
36 | XJCK-00036 | COUPLING | 1 | |
N37 | XJCK-00035 | PLATE-SWASH | 1 | |
N38 | XJCK-00034 | PIVOT | 2 | |
39 | XJCK-00077 | HOLDER-SPRING | 1 | |
40 | XJCK-00119 | PISTON ASSY | 9 | |
41 | XJCK-00031 | D-RING | 1 | |
42 | XJCK-00030 | D-RING | 1 | |
43 | XJCK-00029 | VALVE-CHECK | 3 | |
44 | XJCK-00028 | RING-RETAINER | 1 | |
45 | XJCK-00027 | RING-RETAINER | 1 | |
N46 | XJCK-00026 | SHIM | 1 | |
47 | XJCK-00025 | PISTON | 1 | |
48 | XJCK-00024 | BALL | 1 | |
49 | XJCK-00023 | JOINT-BALL | 1 | |
50 | XJCK-00022 | SEAL-PISTON | 1 | |
51 | XJCK-00021 | RESTRICTOR | 1 | |
52 | XJCK-00020 | RESTRICTOR | 1 | |
53 | XJCK-00019 | SEAL-OIL | 1 | |
54 | XJCK-00018 | SPRING-CHECK VLV | 3 | |
55 | XJCK-00017 | SPRING-CYLINDER | 9 | |
56 | XJCK-00016 | SPRING-BRAKE | 12 | |
57 | XJCK-00015 | BEARING | 1 | |
58 | XJCK-00014 | BEARING | 1 | |
59 | XJCK-00013 | SCREW-CAP | 10 | |
60 | XJCK-00012 | PIN-PARALLEL | 1 | |
61 | XJCK-00011 | O-RING | 3 | |
62 | XJCK-00010 | O-RING | 2 | |
63 | XJCK-00009 | O-RING | 3 | |
64 | XJCK-00008 | O-RING | 1 | |
65 | XJCK-00007 | O-RING | 1 | |
66 | XJCK-00137 | RELIEF VALVE | 2 | |
67 | XJCK-00005 | PILOT VALVE | 1 | |
68 | XJCK-00138 | BRAKE VALVE | 1 | |
69 | XJCK-00003 | PLUG | 2 | |
70 | XJCK-00001 | O-RING | 2 | |
71 | XJCK-00076 | PLUG-EXPANDER | 1 | |
72 | XJCK-00075 | PLUG | 4 | |
73 | XJCK-00074 | PLUG | 1 | |
*-2 | @ | FUEL INJECTION PIPE & NOZZLE SEE 4130 |
1 |
FAQ
1. If I only know the excavator model , but can not offer parts No., what should I do ?
If possible, you can send us pictures of old products, nameplate or the size for reference.
2. What is the warranty of the parts after I purchased ?
The warranty is 6/12 Months based on the item details .
3. How can I pay the order ?
We can receive payment through T/T , Western Union, Paypal(for small amount) , trade assurance .
4. When will get the items after I place order?
Once your payment is confirmed, we will arrange the goods within 24 hours; if not in stock , we will inform you before placing the order .
5. How can I do if there is something wrong with the items ?
First of all , I have confidence in the quality of our products , if you really found something wrong , pls provide pictures for us and we will check . After it is confirmed, pls return to us , we will offer the correct item.
6. What is your main products ?
We are specialized in the excavator spare parts , such as travel motor gearbox/ass’y/parts , swing gearbox/ass’y/motor/parts , hydraulic pump assy/parts and gear parts . If you need other excavator parts , we also can supply as your requirements
Standard Carton Box