The WG2210040049 Reverse Gear Sliding Sleeve is a critical shifting component in heavy-duty truck transmissions, also known as the main shaft reverse gear engagement sleeve.
Its core function is to connect the main shaft with the reverse gear, enabling smooth engagement and disengagement of reverse power transmission. It plays a vital role in ensuring stable operation, smooth shifting, and reliable performance when reversing.

This product is widely used in truck gearbox assembly, maintenance, and replacement applications.
Key Functions
- Connects main shaft and reverse gear precisely
- Ensures smooth reverse gear engagement
- Provides stable and reliable power transmission
- Reduces shifting impact and gear wear
Product Advantages
● Smooth Shifting & Better Driving Experience
Both internal splines and external teeth are precision-ground with strict tolerance control, ensuring:
- Smooth sliding without jamming
- Tight and accurate gear engagement
- Reduced gear noise and shifting resistance
This significantly improves reversing comfort and gearbox performance.
● High Strength & Impact Resistance
Manufactured from high-quality alloy structural steel through precision forging and quenching & tempering treatment, the product features:
- Excellent toughness and hardness balance
- Strong load-bearing capacity
- Resistance to deformation and tooth breakage
Capable of withstanding high torque impact during reversing.
● High-Frequency Heat Treatment for Durability
The gear teeth are treated with high-frequency quenching, resulting in:
- Uniform hardness distribution
- Enhanced wear resistance
- Improved fatigue resistance
Ensuring long service life even under heavy-duty conditions.
● Adapted for Harsh Working Conditions
Optimized for heavy-load and frequent reversing scenarios, suitable for:
- Mountain transportation
- Construction and engineering vehicles
- Long-term heavy-duty operations
Maintains stable performance without loosening or excessive wear.
Technical Features
- Precision forged structure
- Quenching & tempering heat treatment
- High-frequency hardened tooth surface
- Precision grinding on splines and teeth
- Strict tolerance and quality control
Applications
- Heavy-duty truck transmissions
- Commercial vehicle gearbox systems
- Engineering machinery
- Transmission assembly & aftermarket replacement
Supply & Service
- Sufficient stock, fast delivery
- OEM & customization available
- Professional technical support
- Stable quality for long-term cooperation

