Guangzhou Tiangong Machinery Equipment Co., Ltd.
                                                                                                           
Verified Supplier
26 Years
Since 2000
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E320C 334-9968/334-9969/ E320D 158-8986/158-8985/E319C/200-3266/E320D2 334-9976 MOTOR GP-SWING PART OF 334-9968 MOTOR GP-SWING

Price Negotiable
Price: 600.00usd
MOQ: 1
Delivery Time: 1-3days
Brand: TGFQ
Product Description
E320C/E320D Excavator Swing Motor Assembly
Compatible with E320C, E320D, E319C, and E320D2 excavator models. Part numbers: 334-9968, 334-9969, 158-8986, 158-8985, 200-3266, 334-9976.
Reverse-Prevention Safety System
This swing motor features an integrated reverse-prevention valve that eliminates unintended reverse rotation, preventing operational errors and safety hazards.
  • One-way valve design ensures hydraulic oil flows in only one direction
  • Prevents motor reversal due to external forces or hydraulic fluctuations
This safety feature is critical during heavy lifting operations where reverse rotation could cause load drops and serious accidents. The high-flow capacity valve maintains normal motor operation and response speed while providing reliable performance under high hydraulic pressure and frequent use conditions.
Product Specifications
Model Compatibility E320C / E320D Excavator
Category Excavator Swing Hydraulic Motor
Brand TGFQ
Part Numbers 158-8986 / 158-8985
Motor Type M5X130
Packing Wooden Case
Delivery Time 1-3 days after payment confirmation
Shipping Methods By Sea, Air, or Express
Quality Assurance
Each unit undergoes thorough inspection and detailed photos are provided for buyer confirmation before shipping to ensure product quality and satisfaction.
Hydraulic Motor Applications
Hydraulic motors are essential components in earthmoving equipment including excavators, backhoe loaders, skid-steer loaders, forklifts, heavy dump trucks, and bulldozers. They power hydraulic cylinders that extend and retract during various operational cycles.
Swing Brake Operation
The swing brake features a multi-disc and plate assembly located in the first stage planetary gear. This spring-applied, hydraulically-released system functions as a parking brake and is not designed for cyclic service braking. Discs and plates are lubricated by the release signal oil for optimal performance and longevity.
Product Images
E320C/E320D swing motor assembly front view
E320C/E320D swing motor side profile
E320C/E320D swing motor internal components
E320C/E320D swing motor hydraulic connections
E320C/E320D swing motor mounting interface
E320C/E320D swing motor complete assembly
Swing Motor Parts Breakdown
Swing motor parts diagram and components layout
Position Part Number Part Name Quantity
1 122-5318 Bearing 1
2 173-3444 Plate 1
3 334-9981 Piston AS-Pump 1
4 173-3443 Plate 1
5 173-3441 Barrel 1
6 5I-8426 Seal-O-Ring 1
7 5I-8417 Seal-O-Ring 1
8 177-2584 Piston-Brake 1
9 5I-8623 Seal-O-Ring 1
10 126-2055 Spring 20
11 173-3439 Head GP-Motor 1
095-0882 Pin-Spring 2
12 173-3445 Plate-Valve 1
13 110-5525 Plug 2
14 3J-1907 Seal-O-Ring 2
15 5I-8625 Bearing 1
16 173-3451 Plate-Separator 4
17 173-3450 Plate-Friction 3
18 173-3442 Spring 1
19 191-5543 Body 1
20 173-3440 Shaft 1
21 173-3447 Seal-Oil 1
22 094-1900 Plug 2
23 095-1595 Seal-O-Ring 2
24 7Y-4268 Spring 2
25 7Y-4267 Valve 2
26 7Y-5221 Bolt-Socket Head (M20X2.5X45-MM) 4
AVAILABLE REPAIR KIT(S):
27 173-3454 Kit-Seal (Swing Motor) 1
Warehouse & Inventory Capacity
Our facility includes over 4000 square meters of three-dimensional warehouse space plus 2000 square meters of outdoor storage, ensuring adequate inventory levels and rapid response to customer requirements. Fast delivery is our competitive advantage.
TGFQ warehouse interior with organized parts storage
TGFQ warehouse shelving system with hydraulic components
TGFQ warehouse storage facility overview
Frequently Asked Questions
Can I order a sample for testing first?
Yes, we welcome sample orders for testing and evaluation.
How do I place an order?
Simply provide the model and quantity you need. We will issue a proforma invoice, and upon payment confirmation, your order will be processed. Preparation time varies based on order complexity.
Do you have your own factory?
Yes, we operate our own manufacturing facility with 23 years of specialized experience in the excavator gear industry.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Tiangong Machinery Equipment Co., Ltd.
Location 8-109 No.1, West Da Sha Di Road, Whampoa District, Guangzhou, China
Contact Person jaming zhang

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