Guangzhou Tiangong Machinery Equipment Co., Ltd.
                                                                                                           
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26 Years
Since 2000
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"170-9893 MOTOR GP-SWING For E312C, 312C L, 312D, 312D L, 312D2 S/N XGK1-411 PART OF 169-5569, 333-3072 DRIVE GP-SWING"

Price Negotiable
Price: 695.00usd
MOQ: 1
Delivery Time: 1-3days
Brand: TGFQ
Product Description
170-9893 Swing Motor Group for E312C, 312C L, 312D, 312D L, 312D2 Excavators
Compatible with cat E312C, 312C L, 312D, 312D L, and 312D2 track-type excavators. Part of assemblies 169-5569 and 333-3072 Drive Group Swing.
Reverse-Prevention Safety System
This excavator 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 particularly 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
Category Excavator Swing Hydraulic Motor
Brand TGFQ
Part Numbers 170-9893
Motor Type SG04
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
170-9893 Swing Motor front view showing components and connections
170-9893 Swing Motor side view with detailed part identification
170-9893 Swing Motor top view displaying valve and hydraulic ports
170-9893 Swing Motor assembly showing internal components
170-9893 Swing Motor close-up of reverse-prevention valve mechanism
Swing Motor Parts Breakdown
Exploded diagram of 170-9893 Swing Motor showing all components and assembly order
Position Part Number Part Name Quantity
1 099-0320 Bushing 1
2 099-0321 Seal-Lip Type 1
3 099-0322 Bearing-Roller 1
4 7I-0057 Spring 1
5 099-4749 Plate-Cam 1
6 7I-0058 Plate-Retainer 1
7 200-3335 Piston AS 1
8 099-6530 Plate-Friction 3
9 099-6531 Plate-Separator 3
10 099-6532 Seal-O-Ring 1
11 099-6535 Piston-Brake 1
12 6F-4718 Seal-O-Ring 2
13 099-0328 Spring 16
14 099-0329 Pin 2
15 099-0330 Spring 4
16 099-0331 Ring 4
17 444-2033 Bushing 4
18 099-0333 Plate-Valve 1
19 099-0334 Bearing AS-Needle 1
20 099-0335 Ring-Retaining 1
21 123-2143 Barrel AS 1
22 194-8401 Housing 1
24 7I-0060 Plug 2
25 095-1784 Ring-Backup 2
26 095-1585 Seal-O-Ring 2
27 095-1580 Seal-O-Ring 2
28 7I-0061 Valve(Crossover Relief) 2
29 7I-0062 Spring 2
30 7I-0063 Sleeve AS 2
31 194-8400 Head 1
32 095-1594 Seal-O-Ring 4
33 3J-1907 Seal-O-Ring 2
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 and shelving systems
TGFQ warehouse shelving system with hydraulic components and motor parts
TGFQ warehouse storage facility overview showing extensive inventory capacity
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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