Name: China Hydraulic Travel Motor Caterpillar 345D 3555669 Manufacturers Suppliers Factory - STONE Engineering Machinery
Brand: STONE
SKU: 245852803

Product Video

Main specification parameter for 345D

Brand	Model	Product Name	Part Number	Assembly Quantity	Weight
Caterpillar	345D	hydraulic travel motor	3555669	2	130KG

Compatible Equipment Models: 3555669

330D	330D MH	345B II	345B II MH	345C
345C L	345C MH	345D	345D L	345D L VG
349D	349D L	349E	349E L	349E L HVG
349E L VG	349F L

Product Details

Product Name	hydraulic travel motor
Part Number	3555669
Origin	United States
Brand Name	STONE
Model	345D
Price	Negotiable
Packing Details	Standard Export Packing
Delivery Time	0-30 Days
Payment Term	L/C, T/T
Price Term	FOB, CIF, CFR
Supply Capacity	50,000 PCS/Month
Minimum Order Quantity	1 PC
Material	High Quality Steel
Technology	Precision Machining
Surface	Treatment Anti-Corrosion Coating
Hardness	HRC 48-52
Quality	Original Factory Standard
Warranty Time	12 Months or 2000 Hours
After-Sales Service	Full Support, Online Service
Color	Standard Caterpillar Yellow or Customizable
Application	Excavator
Customizable	including customized materials, surface treatment and specifications

Product advantages

Powerful and efficient performance

Our hydraulic travel motors provide the necessary power and efficiency to keep your equipment moving smoothly and effectively. It ensures that your machinery can handle heavy-duty tasks with ease.

Durability

Made of high-quality materials to withstand harsh working conditions and have a longer service life, this durability reduces the need for frequent replacement and maintenance.

Compatibility and integration

Compatible with a wide range of excavator models and construction machines, it integrates seamlessly with your existing equipment, ensuring a smooth and hassle-free installation process.

Easy maintenance and accessibility

Our products are designed with easy maintenance in mind. Their easily serviceable components and simple design make inspection, cleaning and repair simple.

Advanced safety features

Our parts are equipped with advanced safety features to protect your equipment and operators. It includes sensors and shields to prevent accidents and ensure safe operation.

Professional support and service

Our team of experts is committed to providing you with excellent customer support. We offer a comprehensive range of service and maintenance options to ensure your equipment operates reliably over the long term.

Applications

Excavators

Loaders

Cranes

Road Rollers

Motor Graders

Agricultural Machinery

Construction Machinery

Port machinery

Mining machinery

The application field of hydraulic travel motors is very wide. They play a vital role in various construction machinery and industrial equipment, providing powerful power and precise control.

hydraulic travel motors Care and Maintenance

The maintenance cycle of hydraulic travel motors depends on many factors, including usage conditions, environment, maintenance frequency, and motor design and specifications. Generally speaking, the maintenance cycle can be divided into the following levels:

Daily inspection

- Regularly check the connection, fixation and lubrication of the motor.

- Check the cleanliness and color of the hydraulic oil to ensure the quality of the hydraulic oil.

- Ensure that all components are working properly without abnormal noise or vibration.

Regular maintenance

- Perform a comprehensive inspection and maintenance after a certain number of working hours.

- Replace the hydraulic oil and filter element to ensure the cleanliness of the system.

- Clean and lubricate the contact surfaces and moving parts of the motor.

- Check and adjust the seals and bearings of the motor.

Preventive maintenance

- Regularly replace worn parts according to the manufacturer's recommendations.

- Perform performance tests regularly to ensure that the motor's performance meets the requirements.

We can develop a detailed maintenance plan for you and adjust the maintenance cycle according to your actual usage to ensure the long-term stable operation of the motor and maximize the equipment life.

How to Check the Wear of Hydraulic Travel Motors

Checking the wear of hydraulic travel motors is key to ensuring their normal operation and long service life. Here are some steps to check:

Visual inspection

- Check the motor housing and fixings for obvious scratches, dents or cracks.

- Check the pipes connected to the motor for leaks.

Auditory inspection

- Listen for abnormal noises such as squealing, grinding or knocking when the motor is working.

- A normal hydraulic motor should only have a slight hum when working.

Temperature check

- Touch the motor housing to check for overheating.

- Overheating may be caused by oil contamination, seal failure or other internal faults.

Hydraulic oil inspection

- Check the quality and color of the hydraulic oil for impurities or deterioration.

- The degree of contamination of the hydraulic oil can reflect the internal wear of the motor.

Pressure test

- Use a pressure gauge to test the working pressure of the motor to ensure that it meets the manufacturer's specifications.

- Abnormal pressure may be caused by worn seals or internal leaks.

Functional test

- Test the steering and speed control functions of the motor to ensure that they are working properly.

- Functional abnormalities may be caused by wear of the control valve or internal parts of the motor.

Regular maintenance

- Perform regular maintenance according to the manufacturer's maintenance plan.

- Replace worn parts such as seals, bearings, etc.

Usage record

- Record the usage time and condition of the motor for regular inspection and maintenance.

- Usage records can help identify potential wear trends and problems.

Through these inspection steps, the wear of the hydraulic travel motor can be effectively evaluated, potential problems can be discovered and solved in time, and the long-term stable operation of the equipment can be ensured.

Factory details

We have a modern factory that specializes in producing high-quality construction machinery parts. With advanced machinery and a skilled team, we ensure precision and efficiency. We follow a strict quality control process to ensure high product standards. A strong R&D team and production capabilities allow us to flexibly handle customized orders to meet your special needs.

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Our global logistics network ensures timely delivery, so you don't have to worry about supply chain issues. We also provide comprehensive customer support to ensure that you have a seamless experience from purchase to use. Choosing our products and services, you will get reliable, efficient and environmentally friendly solutions.

Product packaging

We have carefully developed a strict packaging procedure to ensure that each of your products can reach its destination safely and reliably. From the selection of high-quality raw materials to the molding of the final product, each link is carefully inspected and strictly tested. Our experienced packaging team will tailor the best packaging solution for you based on the characteristics of the product and transportation conditions. Our packaging materials and methods meet international standards and can effectively prevent the goods from being damaged during transportation. In addition, we also provide cargo tracking services to keep you informed of the transportation status of the goods at any time to ensure their safety.

Warehousing

Since 2004, STONE has been deepening its expertise in warehousing and supply chain management. We have a 3,000 square meter warehouse with over 10,000 products worth over RMB 10 million. These inventory resources ensure that we can respond quickly to customer demand for high-quality components. We focus on orderly warehousing management to improve distribution efficiency and customer satisfaction. With our deep industry experience and advanced inventory management system, STONE is committed to providing customers with a continuous and excellent service experience.

STONE: Construction machinery parts expert in China

Stone (Shanghai) Engineering Machinery Co., Ltd. is a leading supplier of engineering machinery parts, focusing on providing high-quality parts for mining companies. Since its establishment in 2004, we have been based in Shanghai, China, and have built our own brand STONE, becoming a trusted choice in the industry. We are committed to providing a variety of parts including bulldozers, excavators and wheel loaders for well-known brands such as Carter and Komatsu. Our product line covers a full range of OEM parts, such asTrack Chain, Track Rollers, Sprocket, Excavator Buckets, Blades, Excavator Cylinders, Swing Circles, and various electrical and hydraulic components to ensure that our customers' stringent requirements for quality and performance are met.

FAQ

Q: What is the difference between final drive and travel motor?

A: "Final drive" and "travel motor" are often used interchangeably in construction machinery and heavy equipment. But there is a subtle difference between them:

1. Final drive: - In some cases, "final drive" is used to describe the entire mechanism that converts the rotational motion of the engine into the linear motion of the equipment's wheels or tracks. - It usually includes the gearbox, differential, axles, and wheel or track assembly. - The final drive is responsible for transferring power from the engine to the wheels or tracks, allowing the equipment to move forward, backward, and turn.

2. Travel motor: - "Travel motor" is sometimes used to specifically refer to the hydraulic or electric motor that provides power to the final drive mechanism. - In hydraulic systems, the travel motor is a hydraulic pump or motor that provides hydraulic fluid to the final drive components (such as hydraulic motors or hydraulic cylinders). - In electric systems, the travel motor is an electric motor that drives the final drive mechanism.

In general, the "final drive" is the entire mechanism responsible for converting rotational motion into linear motion, while the "travel motor" is the component that provides power to the final drive mechanism. Travel motors can be hydraulic, electric, or a combination of both, depending on the type of equipment and the source of power.

Q: What is the purpose of a travel motor?

A: Travel motors are an important power source in construction machinery and heavy equipment. Their main purpose is to provide the power required to push the equipment forward, backward and turn. In a hydraulic system, a travel motor is usually a hydraulic pump or hydraulic motor, which pumps hydraulic oil into the hydraulic system to drive the hydraulic cylinder or hydraulic motor, which in turn drives the tracks or wheels. In an electric system, a travel motor is an electric motor that directly drives the tracks or wheels.

The performance of the travel motor directly affects the operating efficiency and flexibility of the equipment, so its design and manufacturing are very critical.

Q: Are hydraulic motors better than electric motors?

A: Hydraulic motors and electric motors each have their own advantages, and it is not easy to say which one is better. Hydraulic motors are suitable for applications that require high power and high torque, while electric motors are more energy-efficient, have lower maintenance costs, and are quieter. When choosing, you can consider the following key factors:

Application requirements: If your application requires high power and high torque, such as heavy excavators, cranes, etc., hydraulic motors may be a better choice. If you need high efficiency, low noise, and low maintenance costs, such as automated production lines, precision machinery, etc., electric motors may be more suitable.

Environmental factors: If your working environment has strict requirements on noise, electric motors can provide a quieter working environment. If there is a risk of flammable and explosive hazards in your working environment, electric motors may be a safer choice.

Cost factors: The initial purchase cost of electric motors and hydraulic motors may be different, but the long-term operating cost of electric motors is generally lower because the cost of electricity is relatively low and the maintenance cost is also low.

Technological development: With the development of technology, the power and efficiency of electric motors are constantly improving, and the scope of application is becoming wider and wider. At the same time, hydraulic motors are also being optimized to improve energy efficiency and reduce noise.

Q: How does an excavator travel motor work?

A: The excavator travel motor (also called the final drive motor) plays a key role in moving the excavator tracks. Here's how it works:

1. Hydraulic power input: The travel motor is powered by hydraulic oil from the excavator's hydraulic pump. The operator controls the flow of hydraulic oil through the excavator's controls.

2. Hydraulic motor operation: Hydraulic oil enters the travel motor and drives the hydraulic motor to rotate. This rotation converts hydraulic energy into mechanical energy.

3. Gear reduction: The hydraulic motor is connected to a gear reduction system. This system consists of multiple gears that reduce the rotation speed of the hydraulic motor while increasing torque. Gear reduction is essential to providing the powerful force required to move heavy excavators.

4. Final drive: The output of the gear reduction system is connected to the drive wheel (sprocket), which meshes with the excavator tracks. As the travel motor turns, the drive wheel also rotates, which drives the tracks to move the entire excavator.

5. Direction control: Excavators usually have two travel motors, one for each track. By adjusting the flow of hydraulic oil delivered to each motor, the operator can independently control the direction and speed of each track. This allows the excavator to move forward, backward, and turn on the spot.

In short, the excavator travel motor converts hydraulic energy into mechanical motion through a hydraulic motor and a gear reduction system, drives the sprocket to move the crawler, and realizes the excavator's travel function.

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