HTD Pulley for excavators

HTD Pulley for Excavators

HTD Pulley for Excavators

The Importance of HTD Pulleys in Excavators

HTD pulleys play a crucial role in the functioning of excavators, providing efficient power transmission and reducing wear and tear on the machinery. Their reliability and performance are essential for construction and excavation projects.

What is an HTD Pulley?

An HTD (High Torque Drive) pulley is designed for high-torque applications. It features a series of rounded teeth that mesh with a corresponding belt.

High Torque Transmission

HTD pulleys are specifically engineered to handle high torque loads, making them ideal for heavy-duty excavator applications.

Reduced Slippage

The rounded teeth design of HTD pulleys ensures minimal slippage, providing consistent and reliable power transmission.


Constructed from high-quality materials, HTD pulleys offer exceptional durability and longevity, even under harsh operating conditions.


HTD pulleys can be used in various applications besides excavators, making them a versatile choice for different industries.

Noise Reduction

The precise tooth profile of HTD pulleys helps in reducing operational noise, contributing to a quieter working environment.

HTD pulley

What is the Minimum Pulley Size for HTD 5M?

Pulley Size Specifications

The minimum pulley size for HTD 5M is dependent on several factors, including the desired torque and speed of the operation.

Minimum Diameter

The absolute minimum diameter is 15 teeth, which translates to a 24mm pitch diameter. This ensures proper belt engagement and power transmission.

Load Considerations

When selecting the minimum pulley size, consider the load requirements of your application. Smaller pulleys may not handle heavy loads efficiently.

Belt Compatibility

Ensure that the belt used with the HTD pulley is compatible in terms of pitch and tooth profile to avoid slippage and wear.

Operational Speed

The operational speed of the machinery affects the choice of pulley size. Higher speeds may require larger pulleys to maintain efficiency and reduce wear.

HTD pulley

What is the Difference Between GT and HTD Belts?

Design and Tooth Profile

GT belts have a modified curvilinear tooth profile, providing better load distribution compared to the rounded teeth of HTD belts.


GT belts typically offer higher efficiency and lower backlash, making them suitable for more precise applications.

Noise Levels

Both GT and HTD belts provide noise reduction, but GT belts may offer slightly quieter operation due to their tooth profile.

Load Capacity

HTD belts are generally preferred for high-torque applications, while GT belts are better suited for high-precision and moderate-torque scenarios.


While GT and HTD belts may seem similar, they are not directly interchangeable due to differences in tooth design and pitch.

How to Choose or Customize the Right HTD Pulley

Determine Load Requirements

Assess the load requirements of your application to choose a pulley that can handle the necessary torque and power transmission.

Consider Operational Speed

The speed of your machinery will influence pulley size and material selection to ensure durability and efficiency.

Belt Compatibility

Ensure the HTD pulley is compatible with the belt, considering pitch, width, and tooth profile.

Material Selection

Select materials that provide the necessary strength and durability for your specific application conditions.

Customization Options

Work with a manufacturer that offers customization options to tailor the pulley design to your exact specifications.

HTD pulley

Our Expertise in HTD Pulley Manufacturing

HZPT specializes in the design, development, and manufacturing of high-performance parts, including HTD pulleys. We prioritize product quality and customer service, and our products are popular in European, South American, and Australian markets.

Quality Assurance

We ensure the highest quality standards in our products, gaining the trust of numerous customers globally.

Customer-Centric Approach

Our ¡°customer first¡± policy emphasizes exceptional service and responsiveness to client needs.

Young and Dynamic Team

Our vibrant and capable team is ready to provide professional services to meet any requirements.

Fast Delivery

With efficient processes and a well-stocked warehouse, we guarantee swift delivery times to meet customer demands.

OEM Services

We offer OEM services from our professional factory in China, allowing for the development of new products and custom solutions.

Contact us for any inquiries or comments. We are dedicated to improving our services and providing competitive pricing for the highest quality products.