Description

Telescopic Cylinder General Specifications

Cylinder Body (Single Cylinder Synchronous)

• Bore: Φ80–140mm (Common size: 100/110/125mm)
• Rod Diameter: Φ45–90mm (Common size: 56/63/70mm)
• Stroke: 2500–4500mm (Corresponding boom length: 12–16m)
• Rated Pressure: 25MPa (System pressure: 20–25MPa)
• Maximum Pressure: 30–35MPa
• Mounting Type: Hinge Shank / Trunnion (Middle Hinge / Rear Hinge)
• Material:
  Cylinder Tube: 27SiMn / 16Mn
  Piston Rod: 42CrMo quenched and tempered + hard chrome plating

1. Parameters for Applicable 4-Section Boom Crane

• Boom Length: Basic boom 4.0–4.5m, fully extended 11–16m
• Working Radius: 10–14m (Fully extended)
• Lifting Height: 12–18m
• Telescoping Speed: Extension ≈25–35s, Retraction ≈20–30s (No-load)

1. Applicable Tonnage

Mainly suitable for 5–16 ton straight boom truck-mounted crane with 4-section boom:

12–13T: 4-section boom

5T: 4-section boom 11–12m, Bore Φ80–90mm, Rod Φ45–50mm

6.3T: 4-section boom 11–12.5m, Bore Φ90–100mm, Rod Φ50–56mm

7T: 4-section boom 12–13m, Bore Φ100mm, Rod Φ56–63mm

8T: 4-section boom 12.5–13.5m, Bore Φ100–110mm, Rod Φ63mm

10T: 4-section boom 13–14.5m, Bore Φ110–125mm, Rod Φ63–70mm

Dual telescopic boom cylinder

This dual telescopic boom cylinder is specially designed for 5-section boom truck-mounted cranes, with standardized design and strong universality, compatible with XCMG, Sany, Shimei, Furukawa, Zoomlion and other leading crane brands.

1. Cylinder Barrel: High-strength thick-walled seamless steel, 90-150mm bore, precision honed inner wall for wear & pressure resistance.

2. Piston Rod: Solid high-carbon steel, double hard chrome plated, 50-85mm rod diameter, anti-rust, anti-scratch & anti-bending.

3. Stroke: Standard 1800-2800mm, customizable to fit 5-section boom full extension.

4. Pressure: Rated 25-31.5MPa, max peak 35MPa, matched with standard crane hydraulic systems.

5. Installation: Front & rear clevis mounting / flange mounting, standard pin hole & universal mounting distance.

6. Seals: Imported NOK/Parker seals, operating temp -30℃~85℃, leak-proof & wear-resistant for global working conditions.

7. Craft: Integral welded with weld inspection, quenched & tempered barrel, high load capacity & long service life.

At present, the mainstream boom telescopic cylinders for truck-mounted cranes are divided into two types: single cylinder and dual cylinder, fully compatible with all tonnages and boom section types of truck cranes.

We focus on foreign trade supply and can provide original specification matching cylinder assemblies, which perfectly fit global mainstream crane brands such as XCMG, Sany, Zoomlion and Furukawa.

Meanwhile, we can customize telescopic cylinders in China for you. You only need to provide technical parameters and installation dimensions, and we can produce products that support direct replacement without any modification.

With reliable quality and sufficient stock, we provide one-stop supply solutions for overseas customers’ equipment repair, replacement and stock preparation, helping your machines return to efficient operation quickly.

FAQ

• Q

  How do you guarantee the quality of your crane accessories?

  A

  We have a strict quality certification system. Every product undergoes quality inspection and is inspected again before packaging.

• Q

  Do you provide free samples?

  A

  Our samples require a fee, but this fee will be refunded when you place a bulk order.

• Q

  Do you support customization services?

  A

  We support customization services. We have professional engineers who will design specifically for your machine based on its specific requirements.

• Q

  What if I don't have the crane accessory model I want?

  A

  You can contact us directly via email or WhatsApp. Our experienced marketing manager will provide you with the information you need.

• Q

  What is the typical delivery time?

  A

  It depends on the specific product. Small batches generally take about 10 days, and large batches generally take about 20 days.