Product Introduction
The XCMG QY70K Air Dryer 819900314 is an important component of the crane air brake system. It removes moisture, oil vapor, and contaminants from compressed air before the air enters the braking and pneumatic control systems.
A properly functioning air dryer helps prevent corrosion, frozen air lines, valve failures, and premature wear of pneumatic components, ensuring safe and reliable crane operation.
This air dryer is widely used on XCMG QY70K truck cranes and can also be suitable for other crane models depending on the air system configuration.
We also supply a complete range ofXCMG Truck Crane Partsfor maintenance, repair and overhaul applications.
Product Specifications
| Product Name | Air Dryer |
| Part Number | 819900314 |
| Application | XCMG QY70K Truck Crane |
| Condition | New |
| Quality | OEM Standard |
| Brand | OEM Quality Replacement |
| Origin | China |
Functions of the Crane Air Dryer
Remove moisture from compressed air
Protect air brake components
Reduce corrosion inside air tanks
Prevent freezing in air lines
Extend service life of pneumatic valves
Improve braking system reliability
Reduce maintenance costs
Why Air Dryers Are Important for Crane Air Brake Systems
Compressed air systems naturally generate moisture during operation. Without an effective air dryer, water vapor can enter air tanks, valves and brake components, leading to corrosion, reduced braking performance and higher maintenance costs.
A properly functioning air dryer helps maintain stable air pressure, improves system reliability and extends the service life of pneumatic components.
Common Signs of Air Dryer Failure
1. Excessive Moisture in Air Tanks
Water accumulation inside air reservoirs indicates reduced drying efficiency.
2. Air System Corrosion
Moisture contamination may cause rust and damage to valves and fittings.
3. Reduced Brake Performance
Contaminated compressed air may affect braking system response.
4. Air Leakage
Damaged seals or internal components can result in air pressure loss.
5. Frequent Compressor Cycling
An inefficient air dryer may increase compressor workload.
Why Replace the Air Dryer Regularly?
Over time, the desiccant material inside the air dryer becomes saturated and loses drying efficiency. Regular replacement helps maintain clean compressed air, protects brake system components, and reduces unexpected crane downtime.
Preventive maintenance of the air dryer is significantly less expensive than repairing damaged pneumatic valves, air tanks, or braking components caused by moisture contamination.
Compatible XCMG Crane Models
QY50K
QY55K
QY70K
QY100K
XCT50
XCT70
XCT80
XCT100
Compatibility may vary according to production year and air system configuration. Please confirm with the part number before ordering.
Browse our completeXCMG Crane Spare Parts Catalogto find related air system, hydraulic and electrical components.
Applications
Customer Case
A crane contractor operating several XCMG QY70K truck cranes experienced moisture accumulation inside the air brake system, causing frequent maintenance issues.
After replacing the worn air dryer with part number 819900314, the air system returned to normal operation and maintenance frequency was significantly reduced.
The customer reported improved reliability and reduced downtime during lifting operations.
Need assistance identifying the correct air dryer?Contact our spare parts specialistsfor fast technical support and quotation service.
Why Choose Qingdao Top Run
15+ Years of Spare Parts Experience
OEM and Genuine Crane Parts
Fast Quotation Service
Technical Support
Worldwide Shipping
Strict Quality Inspection
Large Inventory Available
Customers in More Than 90 Countries
How to Order XCMG QY70K Air Dryer 819900314
To ensure correct compatibility, please provide one or more of the following:
Part Number (819900314)
Crane Model
Machine Serial Number
Product Photos
Nameplate Information
Our technical team will verify the information and provide a quotation as quickly as possible.
Frequently Asked Questions
What is the function of an air dryer?
The air dryer removes moisture and contaminants from compressed air before it enters the crane air system.
What is the part number of this air dryer?
The part number is 819900314.
Which crane model uses this air dryer?
It is commonly used on XCMG QY70K truck cranes.
How can I confirm compatibility?
Please provide your crane model, serial number, or part number for verification.
Do you provide worldwide shipping?
Yes. We export crane spare parts to customers worldwide.
