440-00257B 44000257B 440-00257AKT K1036107 Arm Hydraulic Cylinder for SOLAR S300LC-V Excavator
Prouduct Description
| Part Name | Excavator Hydraulic Arm Cylinder | Apply for | for Doosan SOLAR S300LC-V Excavator |
| Type | SOLAR S300LC-V | Warranty | 1 Year |
| Product Number | 440-00257B 44000257B 440-00257AKT K1036107 | OEM | YES |
| Condition | New | Packing | Wooden Case or your required |
FAQ
Q1: Can overloading damage the hydraulic cylinder?
A1: Yes. Operating the machine beyond its rated pressure or lifting capacity can cause seal failure, rod bending, or internal damage. Always follow your excavator's operational limits.
Q2: What kind of hydraulic oil should I use with your cylinders?
A2: We recommend anti-wear hydraulic oils like ISO VG 46 or 68, depending on your working environment. Always make sure the oil is clean and free from contamination, as dirty oil is a major cause of cylinder failure.
Q3: Can I replace the seals myself?
A3: Yes, if you have basic mechanical knowledge and tools. We provide step-by-step instructions or tutorial videos. However, if you’re unsure, we recommend having it done by a professional to avoid internal damage.
Q4: How can I prevent rust or corrosion on the cylinder rod during storage?
A4: Apply rust-proof oil or grease to the rod and store the cylinder in a dry, covered place. Avoid exposure to moisture or rain. If storing long-term, operate the rod regularly to keep the seals lubricated.
Q5: How long do your hydraulic cylinders typically last?
A5: Under normal operating conditions and with proper maintenance, our hydraulic cylinders can last 3–5 years or longer. Lifespan also depends on working environment, usage frequency, and hydraulic oil quality.
Package & Shipping
Company Profile
Guangzhou Guoli Engineering Machinery Co., Ltd.
With over 16 years of dedicated experience in hydraulic cylinder manufacturing, we have established ourselves as a trusted supplier in the global excavator parts industry. Our products are exported to more than 100 countries worldwide, serving customers across construction, mining, and agricultural sectors.
At Guoli, we believe quality starts at the source. From raw material selection to final assembly, every step is meticulously controlled to meet the highest industry standards. We utilize advanced production technology and equip our cylinders with high-performance sealing systems—ensuring durability, excellent resistance to wear and pressure, and minimal hydraulic oil leakage.
Whether you need standard components or customized solutions, we deliver reliability, efficiency, and long-term value in every cylinder we produce.
More Cylinders We Can Provide
| EC360B | VOE14629600 14629600 |
| PC400-7 | 707-01-0F700, 707-01-XU790, 707-01-0H091, 707-01-XT861, 707-01-0F701, 707-01-XU791,707-01-0F702, 707-01-XU792, 707-01-0F820, 707-01-XU940 |
| R330LC-9 | 31Y1-33170 |
| ZX270-3 | 9246544 4628630 |
| 330D | 266-8074 242-6855 |
| R250LC-7 | 31N7-50132, 31N7-50131, 31N7-650132, |
| S170W-V | 440-00020A |
| S300LC-V | 44000257B, 44000257AKT, 440-00257B, 440-00257AKT |
| EC360B | 14629600, VOE14629600, 14512961, VOE 14549599 |
| 324D | 242-6852 242-6855 |
| ZX330-3 | 4628637, 4628636, 9246664 |
| R250LC-7 | 31N7-50120, 31N7-50110 |
| 329D | 259-0778 |
| PC220-7 | 707-01-0A350 |
| R360LC-7 | 31N9-60110, 31Q9-60110, 31Q9-60111 |
| ZX200-3 | 4613950, 9150146, 9234748, 9312271 |
Product Tags:
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440-00257B 44000257B 440-00257AKT K1036107 Arm Hydraulic Cylinder for SOLAR S300LC-V Excavator Images
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