R450-7 R520-9 Excavator Swing Gearbox 31QB-10140 Assembly | 63×63×74 cm Package | 1-3 Day Delivery
High-performance swing gearbox and motor assembly designed for R450-7, R520-9, and R480-9 excavator models. This precision-engineered component ensures reliable rotation performance for heavy-duty construction equipment.
| Parameter | Details |
|---|---|
| Product Name | Excavator Swing Gearbox |
| Compatible Models | R450-7, R520-9, R480-9 |
| Part Numbers | 31QB-10140, 31QB-10141, 31NB-11150, 31NB-11151 |
| Package Dimensions | 63×63×74 cm |
| Minimum Order Quantity | 1 Piece |
| Delivery Time | 1-3 days after payment |
| 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 |
- Provide part number, part name, model, quantity, and delivery requirements
- Receive customized pricing based on your specifications
- Confirm purchase order and submit deposit payment
- We prepare and package your order for shipment
Extensive Inventory & Fast Delivery
Our facilities include over 4,000 square meters of warehouse space plus 2,000 square meters of outdoor storage, ensuring rapid response to customer requirements with 1-3 day delivery times.
We specialize in excavator final drives, swing drive motors, reducer gearboxes, and replacement parts.
3-6 month warranty period with free maintenance spare parts provided during warranty coverage.
Yes, sample orders are available for quality verification.
Provide model and quantity details, and we'll issue a proforma invoice. Production begins upon payment confirmation.
Yes, we operate our own factory with 23 years of specialized experience in excavator gear production.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.