Optimized Hydraulic Cylinder for John Deere′s 700L and 750L Crawler Dozers Machinery

• Customization: Available
• Seals: Packer/Hallite/Aston
• Structure: Piston Type
• Oil Port: NPT/SAE/BSPP
• Acting Type: Double Acting or Single Acting
• Paint Color: Customization, Black, Red, Gray, Yellow, Blue
• Surface Treatment: Hard Chrome
• Chrome Plating: Hard Chrome Plated
• Application: Construction Equipments
• Quality Check: 100% Testing Before Shipping
• Lead Time: 40-50 Working Days
• Stroke Length: Stroke 4′′-Stroke 100′′
• Bore Size: Bore 1.0′′- Bore 10′′
• Rod Size: Rod 0.75′′- Rod 3.00′′
• Transport Package: Plywood Pallet
• Specification: Customized
• Trademark: Ningbo LD
• Origin: Ningbo, China
• HS Code: 8412210090
• Production Capacity: 80, 0000 Pieces/Year

Product Description

 

Product Applications

Hydraulic Cylinder used on Bulldozer
A bulldozer is a powerful and essential machine used in construction and earthmoving operations, designed to push large quantities of soil, sand, rubble, or other materials. The core of its operation relies heavily on hydraulic cylinders, which provide the necessary force to manipulate the blade and ripper with precision and efficiency.

The hydraulic system in a bulldozer includes multiple cylinders, such as blade lift, tilt, and ripper cylinders. These cylinders are crucial for the machine's versatility, allowing it to perform tasks like grading, leveling, and ripping through tough materials. The hydraulic cylinders ensure smooth and precise movements, enhancing the operator's control over the machine, especially in demanding environments.

About Us

Ningbo LD Machinery Co., Ltd was established in 1988 and is located in the Ningbo seaport city, covering an area of 500,000 SF and employing more than 225 workers.

LD Company is a leading manufacturer specializing in the design, R&D, manufacturing and marketing of hydraulic cylinders. It has a senior engineering team with special skills and rich experience in product design, casting, forging, CNC machining, and can handle special materials, structures, defects, and processing to meet the changing needs of customers, providing high quality, competitive prices products and great services to customers throughout the United States, Canada, Australia, as well as overseas.

Our Customers

Order Process

FAQ

Q1. What is LD product's quality assurance?
100% inspection for each product before shipping with an inspection rereport for tracking.

Q2: How long is the warranty on LD products?
The warranty is 2 years for general products since the date of shipment.

Q3: How LD deal with the quality problem during warranty period?
1. LD will take the corresponding cost caused by customer local repairing. 
2. LD will provide the product for free if the repair cost is higher than the product value, but the freight involved shall be borne by customer side.

Q4: How to ensure the order can be shipped on time?
LD will send the "production schedule" every week after receiving customers' orders. If any delays, LD will inform customers 3 weeks in advance, so as to facilitate the customer to arrange the schedule.

Q5: Does LD offer delivery service?
Yes. LD has deep cooperation with logistics companies all over the world to provide customers with quick and convenient "Door-to-Door services", including sea, air and express.

Q6: How LD control the product quality?
1. Raw materials: We will test the material of each batch of raw materials we receive, and the piston rod will be tested with salt spray. This is to ensure that the material of our products meets the requirements at the beginning.
2. Processing: We have the leading machining equipment, and obtained ISO9001 certification.
3. Welding: Our factory is equipped with welding robots, and has obtained the AWS certification.
4. Assembly pressure test: 100% testing with OQC report for chaining. The seals we use are: Hallite, Aston.