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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
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
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
Specifications
Brand Name :
OEM
Model Number :
1912578 1484637
Place of Origin :
China
MOQ :
1 PCS
Price :
Negotiable
Payment Terms :
D/P, T/T, Western Union, MoneyGram, D/A, L/C
Supply Ability :
100-2000
Delivery Time :
3-7 working days
Packaging Details :
Wooden box for heavy parts, paper carton for light parts
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
Description

  • 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

  • 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

Product tags

excavator swing drive

,

excavator drive sprocket

,

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

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Product Detail
Brand Name :
OEM
Model Number :
1912578 1484637
Place of Origin :
China
MOQ :
1 PCS
Price :
Negotiable
Payment Terms :
D/P, T/T, Western Union, MoneyGram, D/A, L/C
Contact Supplier
video
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
191-2578 148-4637 Excavator Swing Planetary Carrier Applied To 320C 320D Swing Drive

Guangzhou Anto Machinery Parts Co.,Ltd.

Verified Supplier
10 Years
guangdong, guangzhou
Since 2012
Business Type :
Manufacturer, Distributor/Wholesaler, Exporter, Trading Company
Main Products :
Excavator Spare Parts, Excavator Final Drive, Excavator Swing Gear
Total Annual :
2000000-3000000
Employee Number :
50~200
Certification Level :
Verified Supplier
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