1. Product Overview
The HD91129710001 Differential Lock Cylinder is an essential pneumatic actuator used in the differential locking system of SHACMAN X3000 heavy-duty trucks. It engages and disengages the differential lock by converting compressed air into mechanical movement, ensuring optimal traction and vehicle stability under demanding road conditions.
This component is widely used in heavy-duty trucks operating in mining sites, construction projects, off-road transportation, long-distance logistics, and other severe working environments.
2. Vehicle Compatibility
Applicable Vehicle Models
SHACMAN X3000
SHACMAN F3000 (Compatible versions)
SHACMAN H3000 (Depending on axle configuration)
OE / OEM Number
HD91129710001
Compatible Systems
Differential Lock System
Rear Drive Axle
Pneumatic Control System
VIN Matching Service
Professional VIN matching service is available to ensure 100% compatibility before shipment.
3. Technical Specifications
| Item | Specification |
|---|---|
| Product Name | Differential Lock Cylinder |
| Part Number | HD91129710001 |
| Vehicle Brand | SHACMAN |
| Model | X3000 |
| Operating Medium | Compressed Air |
| Installation Position | Drive Axle Differential |
| Material | High-strength Steel + Precision Machined Components |
| Surface Treatment | Anti-corrosion Coating |
| Operating Pressure | Standard Pneumatic Pressure |
| Quality Grade | OEM / High-quality Aftermarket |
| Condition | Brand New |
4. Materials & Manufacturing Process
The differential lock cylinder is manufactured using premium-grade alloy steel and precision-machined internal components to ensure smooth operation and extended service life.
Production features include:
CNC precision machining
High-strength steel cylinder body
Corrosion-resistant surface treatment
High-quality sealing components
Strict dimensional tolerance control
100% air leakage inspection before delivery
These manufacturing processes guarantee reliable operation even under high-load conditions.
5. Quality Control
Every HD91129710001 Differential Lock Cylinder undergoes comprehensive quality inspections, including:
Dimensional accuracy inspection
Air pressure leakage test
Cylinder stroke inspection
Seal performance testing
Surface quality inspection
Functional operation testing
Manufacturing follows ISO9001 and IATF16949 quality management standards to ensure stable and consistent product quality.
6. Performance & Service Life
Designed for heavy-duty commercial vehicles, this differential lock cylinder provides:
Fast differential engagement
Stable pneumatic response
Excellent sealing performance
High resistance to dust and moisture
Reliable operation in high-temperature and low-temperature environments
Long service life under continuous heavy-duty operation
It significantly improves vehicle traction when driving on muddy roads, gravel roads, mining areas, steep slopes, snow, and other challenging terrains.
7. Replacement Benefits
A worn or damaged differential lock cylinder may cause:
Differential lock failure
Air leakage
Delayed locking response
Reduced traction
Increased drivetrain wear
Replacing the cylinder with HD91129710001 helps:
Restore full differential locking performance
Improve vehicle stability
Reduce maintenance costs
Increase transmission system reliability
Extend axle service life
8. Packaging
We provide multiple packaging solutions according to customer requirements.
Neutral Packaging
Customized Brand Packaging
Export Carton
Wooden Case for Bulk Orders
All products are protected with:
Moisture-proof packaging
Rust prevention treatment
Shock-resistant protection
Product labels with part number and barcode
9. Supply Capacity
Large inventory available for fast-moving models
Flexible MOQ
Fast delivery
Stable monthly production capacity
Support mixed container orders
Bulk orders can be arranged with short lead times.
10. Technical Support & After-sales Service
We provide comprehensive customer support, including:
OEM number verification
VIN matching service
Product selection assistance
Installation guidance
Technical consultation
Product warranty according to quality standards
Our experienced sales and technical team ensures fast responses to customer inquiries.
11. OEM & ODM Services
Customized manufacturing services are available.
We support:
OEM production
ODM customization
Sample development
Customized packaging
Laser logo marking
Drawing-based manufacturing
Small trial orders are welcome.
12. Application Scenarios
The HD91129710001 Differential Lock Cylinder is widely used in:
Mining Trucks
Dump Trucks
Construction Vehicles
Heavy-duty Cargo Trucks
Off-road Transport Vehicles
Long-distance Logistics Trucks
Our products are exported to Africa, the Middle East, Southeast Asia, Central Asia, South America, and many other international markets.
Frequently Asked Questions (FAQ)
Q1: How can I confirm compatibility?
Please provide the OEM number or VIN, and our technical team will verify the correct model.
Q2: Is this an OEM-quality product?
Yes. We offer OEM-quality and high-quality aftermarket versions according to customer requirements.
Q3: Can you supply customized packaging?
Yes. Neutral packaging, customized packaging, and private label services are available.
Q4: Do you accept sample orders?
Yes. Sample orders are welcome before bulk purchasing.
Q5: What payment methods do you support?
We accept T/T, Western Union, PayPal (for samples), and other commonly used international payment methods.
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