R450-7 R520-9 Excavator Swing Gearbox 31QB-10140 Swing Motor Assembly
High-performance swing gearbox and motor assembly designed for R450-7, R520-9, and R480-9 excavator models. This precision-engineered component ensures reliable operation and durability in demanding construction environments.
Product Specifications
- Product Name: Excavator Swing Gearbox
- Place of Origin: China (Mainland)
- Compatible Models: R450-7 / R520-9 / R480-9
- Part Numbers: 31QB-10140 / R480: 31QB-10141 / R500-7: 31NB-11150 / 31NB-11151
- Minimum Order Quantity: 1 PCS
- Package Size: 63×63×74CM
- Delivery Time: Within 1-3 days after payment confirmation
- Shipping Methods: Sea, Air, or Express
Product Images
Swing Reduction Gear Components (Type 2, #0856-)
| Position |
Part No |
Quantity |
Parts Name |
| 1 | 31M9-10152SG8 | [1] | HYDRAULIC MOTOR |
| 2 | 31M8-10140AR | [1] | REDUCER |
| 3 | XKBR-00003 | [1] | TAPERED BEARING |
| 4 | XKBR-00004 | [1] | TOOL BOX |
| 5 | XKBR-00005 | [1] | SEAL |
| 6 | XKBR-00006 | [1] | TAPERED BEARING |
| 7 | XKBR-00007 | [1] | GEAR |
| 8 | XKBR-00008 | [6] | BOLT |
| 9 | XKBR-00009 | [1] | GEAR |
| 10 | XKBR-00010 | [1] | CARRIER |
| 11 | XKBR-00011 | [1] | GEAR |
| 12 | XKBR-00012 | [1] | CARRIER |
| 13 | XKBR-00013 | [2] | PIN |
| 14 | XKBR-00014 | [1] | COLLAR |
| 15 | XKBR-00015 | [2] | PLUG |
| 16 | XKBR-00016 | [2] | PLUG |
| 17 | XKBR-00001 | [1] | SHAFT |
| 18 | XKBR-00018 | [1] | PIPE |
| 19 | XKBR-00019 | [1] | GAUGE |
| 20 | XKBR-00002 | [1] | COVER |
| 21 | XKBR-00020 | [1] | CARRIER |
| 22 | XKBR-00021 | [3] | GEAR |
| 23 | XKBR-00022 | [3] | PIN |
| 24 | XKBR-00023 | [3] | BUSHING |
| 25 | XKBR-00024 | [3] | WASHER |
| 26 | XKBR-00025 | [1] | WASHER |
| 27 | XKBR-00032 | [3] | SNAP RING |
| 28 | XKBR-00033 | [3] | WASHER |
| 29 | XKBR-00026 | [3] | WASHER |
| 30 | XKBR-00027 | [1] | CARRIER |
| 31 | XKBR-00028 | [3] | GEAR |
| 32 | XKBR-00029 | [3] | PIN |
| 33 | XKBR-00030 | [3] | BUSHING |
| 34 | XKBR-00031 | [3] | PIN |
Ordering Process
- Provide part number, part name, model, quantity, and delivery requirements
- Receive competitive pricing based on your specifications
- Confirm purchase order and submit deposit payment
- We prepare and package your order for shipment
Our Warehouse Capacity
We maintain over 4000 square meters of three-dimensional warehouse space and 2000 square meters of outdoor storage facilities. This extensive inventory system ensures we can meet customer demands promptly with fast delivery times.
Frequently Asked Questions
What products do you provide?
We specialize in excavator final drive and swing drive motors, reducer gearboxes, and their component parts.
How long is the warranty period?
We offer a 3-6 month warranty period, providing free maintenance spare parts during the warranty coverage.
Can I order samples for testing?
Yes, we welcome sample orders for product evaluation and testing.
How do I place an order?
Provide the model and quantity you need, and we'll issue a proforma invoice. After payment confirmation, we'll prepare your order with timing based on order complexity.
Do you have your own factory?
Yes, we operate our own manufacturing facility with 23 years of specialized experience in excavator gear production.
