JCB Ram Clamshove 556/60331 70*40 Overview

556/60331 is double-acting clamshove cylinder sized 70mm bore ×40mm rod, exclusively designed for JCB 3CX & 4CX backhoe loaders. Installed on front loader bucket assembly, it drives bucket opening and clamping to grip bulk materials steadily during loading and earthmoving jobs.

Constructed with seamless steel tube barrel and hard chrome-plated piston rod, this cylinder features outstanding wear and corrosion resistance. All installation spacing, port positions conform to OEM standard for direct plug-and-play replacement without modification. Every piece undergoes strict hydraulic pressure inspection before delivery to eliminate leakage, well suited for harsh dusty construction environments.

Features and Benefits

• Standard 70×40 OEM size perfectly matching JCB 3CX/4CX

• Hard chrome rod reduces abrasion and extends service lifespan

• Premium sealing components prevent inner & outer oil leakages

• Double-acting structure delivers powerful bucket clamping force

• 210bar rated working pressure, passed 315bar factory pressure test

• Direct replacement saves installation time and maintenance expense

Specifications of 556/60331- Hydraulic Cylinder

• Part Number: 556/60331

• Model: Double Acting Clamshove / Bucket Clamping Ram

• Bore × Rod: 70 mm × 40 mm

• Rated Working Pressure: 210 Bar (3045.8 PSI)

• Factory Test Pressure: 315 Bar (4568.7 PSI)

• Compatible Equipment: JCB 3CX / 4CX Backhoe Loader

• Recommended Oil: ISO VG46 anti-wear hydraulic oil

• Structure: Seamless steel barrel, hard chrome plated piston rod

• Installation: OEM standard dimension, direct replacement

Applications

• Designed for JCB 3CX.4CX backhoe loaders

• Mainly used as lift cylinder for loader lifting mechanism

• Suitable for construction sites, farm yards, road maintenance and material handling work

• Ideal for various heavy-load lifting and operating scenarios

Packaging & Delivery

556/60331 Hydraulic Cylinder are typically packaged securely to prevent damage during transit. The packaging includes:

Protective Wrapping: To safeguard the pump from environmental damage.

Custom Crates: For larger, heavier pumps, ensuring safe handling.

Documentation: Includes installation, maintenance instructions, and warranty details.

Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.

556/60331 Hydraulic Cylinder FAQ:

1. What is the 556/60331 Hydraulic Cylinder ?

• It is built with seamless steel barrel for high load resistance.

• Hard chrome plated piston rod improves wear and corrosion resistance.

• High-quality seal kits effectively prevent internal and external oil leakage.

• Every cylinder is tested up to 315 bar to guarantee reliable performance.

• OEM identical size allows direct fit replacement on JCB machines.
  
  

3. What is the working pressure range of 556/60331 Hydraulic Cylinder ?

The 556/60331 Hydraulic Cylinder is designed for medium and high-pressure hydraulic systems:

• Normal & rated working pressure is 210 Bar (3045.80 PSI).

• Max factory test pressure reaches 315 Bar (4568.70 PSI).
  
  

4. Can 556/60331 Hydraulic Cylinder replace other brands?

• It is manufactured strictly according to OEM original dimensions.

• It can directly replace original JCB hydraulic cylinders.

• It fits most aftermarket alternative brand cylinders.

• No modification on mounting holes or oil pipelines is required.

• Perfectly compatible with JCB 3CX and 4CX backhoe loaders.
  
  

5. What hydraulic oil is recommended for 556/60331 Hydraulic Cylinder ?

• Typical piston movement speed ranges from 0.05 m/s to 0.3 m/s.

• Actual speed changes based on the machine’s hydraulic oil flow.

• Avoid overspeeding to protect seals and cylinder parts.

7. Do you provide OEM or customized services?

• We accept OEM orders based on customer part numbers.

• Custom-made hydraulic cylinders with special sizes are available.

• Our factory develops tailor-made products for unique working needs.

8. How can I get a quotation quickly

Please provide the following details:

• Model or displacement

• Working pressure

• Speed

• Quantity
  We will reply within 12 hours with a competitive quotation.

  
  

Certifications & Quality Assurance

556/60331 Hydraulic Cylinder are manufactured in compliance with international standards, ensuring high performance and reliability:

ISO 9001: Certified for quality management systems.

CE Certification: Ensures compliance with European safety, health, and environmental protection standards.

RoHS Compliance: Ensures the pump does not contain hazardous materials.

Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.

FAQ

1.What's our advantages?

Factory established in 2005;

With a great deal of production experience;

80+ employees become the professional team;

Constant updated ERP system ensure efficiency of work;

Sophisticated equipment ehanced the accuracy of products;

Professional salesmen provide the greast service;

With a large number of famous customers all over the world;

Great after-sales service;

With the long term cooperation with famous logistics and express company in China,provide the better goods service.

2.What is your payment terms?

Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.

3.Can you make my own brand on the products?

Of course we can. Just send me your logo  we can make it for you.

4.What is our main export market?

America(40.5%):USA, Canada, Argentina, Brazil

Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.

Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.

Others(5.8%).

The Green hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.

The production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.