191-2578 148-4637 Excavator Swing Planetary Carrier Applied To 320C 320D Swing Drive
- 191-2578 148-4637 Excavator Swing Planetary Carrier Applied To 320C 320D Swing Drive
- Function
| Holds and positions the planetary gears (planet gears) on their shafts. |
| Transmits torque from the orbiting planet gears to the output shaft (which drives the excavator’s upper structure rotation). |
| Distributes load evenly across multiple gear meshes, enabling high torque in a compact space. |
| Maintains precise gear alignment for smooth, efficient, and low-noise operation. |
- Application & Compatibility
| 191-2578 and 148-4637 are interchangeable (cross-reference parts). |
| Fit models: 318C, 319D, 320C, 320D, 320D2, 320E, 321C, 323D, 323E and similar variants. |
| Used in the second-stage (No.2) planetary gear set of the swing drive assembly. |
- Description
The Swing drive reducer gearbox rotates the top of the Excavator on the chassis together with the slewing gear bearing.
Attributes: Heavy Duty Swing Drives are designed to be rebuilt and reused. The below following gear components are included in swing drive: sun gear, planetary gear, needle bearing, roller bearing, carrier, pinion shaft, pinion gear, oil seal, ring gear, swing housing .
- Spec Sheet
| Excavator spare parts name | Planetary Carrier |
| Equipment Model | 320 318 |
| Parts Category | Swing Drive |
| Spare parts Condition | Brand new |
| MOQ of order(PCS, SET) | 1 |
| Parts Availability | In stock |
| Delivery Lead time | 1-3 days |
- Parts Diagram
| Pos. | Part No | Qty | Parts name | Comments |
| 1 | 094-0584 | [6] | WASHER (40.3X72X1-MM THK) | |
| 2 | 094-1509 | [3] | SHAFT-PLANETARY | |
| 3 | 148-4733 | [3] | GEAR-PLANETARY (26-TEETH) | |
| 4 | 114-1581 | [1] | SPACER (57.5X74X6-MM THK) | |
| 5 | 148-4732 | [1] | GEAR-SUN (20-TEETH) | |
| 6 | 093-1729 | [2] | RING-RETAINING | |
| 7 | 148-4632 | [1] | GEAR-SUN (23-TEETH) | |
| 8 | 191-2578 | [1] | CARRIER-PLANETARY | |
| 9 | 7Y-1434 | [1] | SPACER (40X69.5X6-MM THK) | |
| 10 | 148-4637 | [1] | CARRIER-PLANETARY | |
| 11 | 148-4640 | [1] | RING-RETAINING | |
| 12 | 148-4643 | [1] | BEARING | |
| 13 | 095-1022 | [1] | BEARING-ROLLER | |
| 14 | 148-4642 | [1] | SEAL-O-RING | |
| 15 | 227-6228 | [1] | CAGE | |
| 16 | 8T-4183 M | [6] | BOLT (M12X1.75X40-MM) | |
| 17 | 8T-4223 | [6] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 18 | 199-4561 | [2] | SEAL-LIP TYPE | |
| 19 | 148-4636 | [1] | SHAFT-PINION | |
| 20 | 148-4638 | [1] | HOUSING | |
| 21 | 3K-0360 | [1] | SEAL-O-RING | |
| 22 | 6V-7238 | [1] | VALVE-SHUTOFF | |
| 23 | 148-4634 | [3] | SHAFT-PLANETARY | |
| 24 | 095-0891 | [3] | PIN-SPRING | |
| 25 | 148-4635 | [1] | GEAR-RING (73-TEETH) | |
| 26 | 148-4633 | [3] | GEAR-PLANETARY (25-TEETH) | |
| 27 | 7Y-0252 | [6] | BEARING AS-ROLLER | |
| 28 | 094-0611 | [6] | WASHER (47.3X76X1-MM THK) | |
| 29 | 095-0886 | [3] | PIN-SPRING | |
| 30 | 199-4582 | [3] | BEARING AS | |
| 31 | 171-9383 | [1] | SPACER | |
| M | METRIC PART |
- Advantage
2. The gear parts are supplied strictly according to the genuine parts alog.
3. All the gear components are manufactured from carefully selected materials with standard quality using standard production process heat treatment processes — including carburizing, nitriding, and induction hardening.
4. Surplus stock and the various varioties of gear parts that cover final and swign drive for upto 70 Tons excavator. HITACHI KOMATSU HYUNDAI Vo-lvo DOOSAN KOBELCO SUMITOMO KATO JCB
- Warranty
1. Warranty Period: 3 Months' warranty from the date of arrival. Longer period of 6 months' warranty could be offered with higher price level.
2. Warranty type: replacement of the parts that have quality problem.
3. Warranty is not valid for below s
* Cutomer give wrong information about the order
* Force Majeure
* Wrong installation and operation
* rust
- Packing & Delivery
* Strong carton or wooden box for gear components. Wooden box for gearbox assembly
* Delivery methods: By Sea, By air to local internation airport, By express like DHL TNT FEDEX
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