Dump truck hydraulic cylinder

#### **Product Overview**

This product is a high-strength Hydraulic Actuator specially developed for heavy trucks, dump trucks, sanitation vehicles, and other commercial vehicles, used to drive key actions such as cargo box lifting, tailgate opening and closing, and crane extension. It adopts a heavy-duty design concept and high-quality sealing technology to ensure the reliability and long service life of the vehicle under frequent loading and unloading and harsh road conditions. 

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### **Core Advantages** 

#### **1. Exceptionally Strong Load-bearing Capacity**

- Multi-stage cylinder design (3-5 stages of extension, maximum lifting force 300kN)

- Thick-walled cylinder barrel (wall thickness ≥ 16mm) with anti-deformation design

- 42CrMo alloy steel piston rod (coated hardness ≥ HV850) 

#### 2. Intelligent Control System

- Dual-loop safety valve (explosion-proof pipe protection)

- Continuous speed adjustment (0.1 - 0.3 m/s adjustable)

- Optional displacement sensor (digital display of lifting angle) 

#### 3. All-weather Adaptability

- Cold-weather type: -45℃ low-temperature starting kit

- Tropical type: Sealed components resistant to 100℃ high temperature

- Coastal type: 316L stainless steel version resistant to salt fog 

#### 4. Convenient Maintenance Design

- External sealing component replacement window

- Design of oil injection nozzle without disassembly

- Modular valve block quick-connect structure 

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### **Technical Specifications** 

| **Type**         | Dumping Cylinder     | Tailboard Cylinder   | Trailer Crane Cylinder | |------------------|-------------------|-------------------|------------------|

| **Work Pressure** | 25MPa | 16MPa | 32MPa |

| **Travel Distance** | 1200-2500mm | 600-1500mm | 3000-8000mm |

| **Protection Grade** | IP67 | IP65 | IP68 |

| **Service Life** | ≥50,000 lifts | ≥100,000 opening and closing | ≥30,000 extensions | 

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### **Typical Applications**

▌ **Engineering Dump Trucks**: Three sides of the cargo box can be lifted (maximum lifting angle 50°)

▌ **Logistics Tailboard Trucks**: Can carry and unload 3-5 tons of goods

▌ **Tractor-Truck Cranes**: Six-sided arm tube design (bending strength increased by 40%)

▌ **Sanitation Vehicles**: Garbage compression device drive (corrosion-resistant enhanced version) 

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