Hydraulic Cylinder for Doosan DX140LCR-3: Premium OEM Replacement Parts

Elevate your Doosan DX140LCR-3 excavator’s performance with our precision-engineered hydraulic cylinders—designed to meet strict OEM standards and deliver reliable heavy-duty operation. Whether you need to replace boom, arm, or bucket cylinders, we’ve got you covered with a full range of compatible part numbers.

✅ Perfect Compatibility: Fully matched to Doosan DX140LCR-3 excavators, covering part numbers 400309-00314, 400309-00314A, 400309-00315, 400309-00315A, and 400305-00106B. Compatible with different production batches, enabling seamless OEM replacement without modification.

✅ Superior Quality & Durability: Manufactured with high-strength wear-resistant steel and precision machining, adhering to Doosan’s strict OEM specifications. Resists high pressure (up to 35MPa) and corrosion, thriving in harsh excavation and construction environments for long service life.

✅ Comprehensive Coverage: Integrates boom, arm, and bucket hydraulic cylinders into one solution, eliminating the hassle of separate part sourcing. Ideal for routine maintenance or emergency repairs.

✅ Variant Compatibility: Includes part number variants (e.g., 400309-00314A/315A) to fit both new and old DX140LCR-3 configurations, solving compatibility issues for mixed fleets.

✅ Cost-Effective Bulk Supply: Factory-direct pricing with no middlemen markups. Support bulk orders to optimize your inventory cost, making us the trusted choice for fleet managers, construction companies, and Doosan equipment dealers worldwide.

Every cylinder undergoes rigorous quality control to ensure stable hydraulic transmission, smooth operation, and minimal downtime. Backed by reliable after-sales support and fast delivery, we’re committed to keeping your equipment running at peak efficiency.

Choose our Doosan DX140LCR-3 hydraulic cylinders for OEM-grade reliability, comprehensive compatibility, and unbeatable value—your partner in maximizing productivity on the job site.

Inquire now for a customized quote!

1. Standard product design

2. High quality material selection

3. Advanced imported manufacture & testing equipment

4. Advanced manifacturing process and production technology

5. in the line with global standards

6. By long time testing, proved to be good condition

Transport& packaging.

1) International Express: Such as DHL,TNT, FEDEX and so on.

2)Air transportation: For goods above 45KG, it is economic choice for customers.

3)By sea: Heavy cargo by container transport.

Packing :In wooden cases or Carton box  According to customer needs

About Us.

Quanzhou Dena Machinery Technology Co., Ltd.Is located in the cultural capital of East Asia.Which is one of the first pilot cities of “Made in China 2025″.It is the starting point of the Maritime Silk road —– Quanzhou, Fujian.

Since its inception, the company has been innovating and developing.It has several advanced production lines, a number of senior engineers, professional technical managers.Besides, there is a sound quality management system.

The company mainly produces various types of excavator travel reduction assy (final drive), swing reduction assy (swing device), gears, gear ring, swing shaft (shaft pinion), crankshafts, pin, carriers, carrier assembly, pump shaft, motor cases, bearings, housing, RV gear assy etc.

The prupose of company is “customers first, reputation first, quality-oriented, keep improving, service first”.We got well received by friends and customers.And we sincerely welcome regular and new customers come to visit our company and guidence.We are looking forward to creating a better future with you.

FAQ.

1.I know only the excavator model,but can not offer parts No.what should I do?
If possible, you can send us the old photo,name plate or the size for referrnce.

2.What is the warranty of the parts after I purchase?
The warranty is 6/12 Months based on the item details.

3.How can I pay the ordr?
We can receive payment through T/T,westren union,paypal.etc.

4.When will get the items after I place order?
Once your payment is confirmed,we will arrange the goods within 24 hours,if not in stock,we will inform you before placing the order.

5.How can I do if there is something wrong with the items?
First of all,I have confidence in the quality of our products,if you really found something wrong,pls provide the old photo for us.After it is confirmed,pls return to us,we will offer the correct item.

6.What is your main products?

We are specialized in the excavator spare parts,such as travel motor gearbox/ass/parts,swing gearbox/assy/motor /prats,hydraulic pump assy/parts,gear parts.If you need other excavator parts,we also can supply as you requirements.

Email:Market@denamachinery.com

WhatsApp:+8613799476450

Wechat:+8615905991155