logo
Home ProductsExcavator Swing Gear

191-2578 148-4637 Excavator Swing Planetary Carrier Applied To 320C 320D Swing Drive

I appreciate the help from Paul, he's prefessional and knows exactly what parts I need. My CAT has gone back to work without any problem.

—— Raphael

Got the final drive and its beautiful I think. We've have it assembled in our Hitachi ZX330 excavator, my machines goes to work again now. Many thanks

—— Kevin

Fast shippment, the arrived parts is good quality, our engine is repaired and is perfectly running at maximum power. Thank you, god bless.

—— Mohammed

I'm Online Chat Now

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

Large Image :  191-2578 148-4637 Excavator Swing Planetary Carrier Applied To 320C 320D Swing Drive

Product Details:
Place of Origin: China
Brand Name: OEM
Model Number: 1912578 1484637
Payment & Shipping Terms:
Minimum Order Quantity: 1 PCS
Price: Negotiable
Packaging Details: Wooden box for heavy parts, paper carton for light parts
Delivery Time: 3-7 working days
Payment Terms: D/P, T/T, Western Union, MoneyGram, D/A, L/C
Supply Ability: 100-2000
Detailed Product Description
Category: Excavator Swing Gear Excavator Model: E320C 320D
Parts No.: 191-2578 148-4637 Material: Forged Iron, Steel
Warranty: 6 Months Package: Standard Export Carton
Highlight:

swing reduction gear

,

swing gear box

 

  • 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  

191-2578 148-4637 Excavator Swing Planetary Carrier Applied To 320C 320D Swing Drive 0

 

 

 

  • Advantage

 

1. The gear parts are built to fit to the genuine drive gearbox system.

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

 
 

Contact Details
Guangzhou Anto Machinery Parts Co.,Ltd.

Contact Person: Mr. Paul

Tel: 0086-15920526889

Fax: +86-20-89855265

Send your inquiry directly to us (0 / 3000)