Central Dual-stage Drive Axle

Central Dual-stage Drive Axle
Details:
Engineered for the most demanding hauling and off-road applications, our Central Dual-Stage Drive Axle delivers exceptional torque multiplication and operational flexibility. By incorporating a secondary gear reduction, it provides dual-speed capability—optimizing performance for both high-speed travel and low-speed, high-torque maneuvering. This design maximizes fuel efficiency, vehicle productivity, and durability under extreme loads.
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Description
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Features & Robust Construction

 

Dual-Reduction Gear System:

Combines a spiral bevel primary set with a planetary secondary set, offering a wide range of final gear ratios.

01

Reinforced Alloy Steel Housing:

Reinforced Alloy Steel Housing:

02

Integrated Range Shift Mechanism:

Allows smooth, on-the-fly selection between high and low ranges via air or electric control.

03

High-Capacity Differential:

Ensures reliable power distribution across challenging terrain.

04

Advanced Thermal Management:

Enhanced oil circulation and cooling fins prevent overheating during sustained heavy use.

05

 

Technical Specifications

 

Parameter Item

Specification

Unit

Rated Load Capacity

18-30

T

Total Reduction Ratio

5.29-11.56

-

Reducer Type

Primary: Spiral Bevel Gear; Secondary: Cylindrical Gear

-

Axle Housing Material

20CrMnTi

-

Gear Material

20CrNiMo

-

Maximum Input Torque

4500-8000

N·m

Working Temperature Range

-40 to 120

Ideal Applications

 

- Heavy-duty mining and quarry dump trucks

- Logging and timber transport in rugged terrain

- Oil field and construction machinery carriers

- Severe-service on/off-highway vehicles

Precision Engineering & Technology

 

The axle utilizes state-of-the-art helical and planetary gear manufacturing with computer-controlled carburizing and quenching for exceptional tooth strength. The assembly process features robotic precision and laser alignment. Each unit is validated through full-scale dyno testing, simulating peak load cycles to ensure flawless real-world performance.

Key Product Advantages

 

- Optimal Power Adaptation: The dual-range system perfectly matches power output to varying speed and gradient requirements.

- Enhanced Traction & Gradeability: Delivers outstanding climbing power and control on steep, unstable surfaces.

- Reduced Drivetrain Strain: Lowers stress on the engine and transmission, extending their service life.

- Operational Efficiency: Enables faster cycle times in challenging conditions, boosting overall productivity.

 

Services​

 

We provide comprehensive technical support, custom ratio configuration, and integration consulting. Our global parts distribution network ensures rapid availability of wear components and repair kits. OEM partnerships and field service training are also available.

 

FAQ

 

Q: How does the range shift work during operation?

A: The driver activates a dash-mounted switch. A pneumatic or electric shift collar inside the axle changes gear sets seamlessly without interrupting power flow.

Q: Is this axle suitable for highway use?

A: Absolutely. The high-range mode is designed for efficient highway cruising, while low-range is engaged for off-road or steep incline operations.

Q: What is the main maintenance focus?

A: Regular oil analysis and changes per our schedule are crucial. The shift mechanism requires periodic inspection for air line integrity or electrical connection cleanliness.

Q: Can you customize the gear ratios?

A: Yes, we offer tailored primary and planetary gear combinations to meet specific vehicle performance targets and terrain profiles.

 

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