AZ221004000005 (040110) input shaft gear is a core transmission component in heavy-duty truck gearboxes. As the primary power input part, it directly receives engine power and transmits it to various gearbox gears, ensuring smooth driving and stable gear shifting performance.

This key component plays a vital role in improving transmission efficiency and preventing common issues such as abnormal noise, gear jumping, and power transmission loss.

Key Features

High Strength Material

Manufactured from high-quality alloy structural steel with precision forging, offering excellent strength and durability under heavy-load conditions.

Superior Heat Treatment

Processed with carburizing and quenching technology to achieve:

• Uniform surface hardness
• Enhanced wear resistance
• Improved fatigue strength

Precision Machining

Gear teeth are finely ground and polished to ensure:

• High tooth profile accuracy
• Smooth surface finish
• Stable and seamless meshing

Smooth Transmission Performance

Optimized gear design reduces friction and transmission loss, ensuring:

• Stable operation
• No sticking or lag
• Lower noise and vibration

Core Functions

• Efficient power transmission from engine to gearbox
• Stable and reliable operation under heavy-duty conditions
• Strong compatibility with multiple gearbox systems
• Easy installation and maintenance

Product Advantages

• High durability for long service life
• Excellent cost-performance ratio
• Stable quality with consistent performance
• Widely recognized by global truck parts market

Technical Specifications

• Product Name: Input Shaft Gear
• Model: AZ221004000005 (040110)
• Application: Heavy Truck Gearbox
• Material: Alloy Structural Steel
• Process: Precision Forging + Carburizing & Quenching
• Surface Treatment: Gear Grinding & Polishing

Application Scenarios

• Heavy truck gearbox repair and replacement
• Auto parts distributors and wholesalers
• International trade and export markets
• Fleet maintenance and service providers

 Supply & Service

• Stable stock available for fast delivery
• Support bulk orders and OEM customization
• Professional export packaging and logistics
• Technical support and after-sales service

As the “first station” of gearbox power transmission, AZ221004000005 input shaft gear directly determines the efficiency and lifespan of the transmission system. With high precision, strong durability, and reliable performance, it is an ideal choice for heavy truck transmission repair and global spare parts supply.