Ram Clamshovl,470mm Closed Centered 70*40 556/60459 Overview

556/60459 clamshovel cylinder is OEM replacement hydraulic ram for JCB 3CX,4CX backhoe loader 4-in-1 clam bucket system. Spec with 70mm bore & 40mm rod, closed center mounting distance 470mm, double-acting structure for stable clam opening/closing control during bulk material loading, earthmoving and waste handling work. Strictly produced per original JCB dimension standard, direct bolt-on installation without modification.

Features and Benefits

• Strict OEM dimensional compliance (70×40, 470mm closed center), direct plug-and-play replacement without modification, saving installation cost and downtime.

• Honed seamless cylinder tube plus hard-chrome plated rod, outstanding impact & wear resistance for harsh construction conditions.

• Premium multi-layer seal kits deliver stable leak-proof performance, lowering frequent maintenance and oil consumption.

• Double-acting design enables smooth, responsive clam bucket opening/closing, improving loading efficiency on JCB 3CX/4CX.

• Full factory pressure testing before shipment with reliable quality, extending service life and reducing breakdown losses.

Specifications of 556/60459- Hydraulic Cylinder

• Part Number: 556/60459

• Bore × Rod: 70 mm × 40 mm

• Closed Center Length: 470 mm

• Construction: Double acting hydraulic cylinder

• Applicable Model: JCB 3CX / 4CX backhoe loader, 4-in-1 clamshovel bucket

• Rated Working Pressure: 210–250 bar

• Recommended Hydraulic Oil: ISO VG46 anti-wear hydraulic oil

• Surface Treatment: Hard chrome plated piston rod, precision honed barrel

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

556/60459 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.

556/60459 Hydraulic Cylinder FAQ:

1. What is the 556/60459 Hydraulic Cylinder ?

• Honed seamless steel barrel improves pressure resistance and deformation resistance.

• Hard chrome plated piston rod resists abrasion and corrosion.

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

• Strict full-pressure inspection before delivery guarantees stable performance.

• OEM accurate size fits JCB 3CX/4CX perfectly for long service life.
  
  

3. What is the working pressure range of 556/60459 Hydraulic Cylinder ?

The 556/60459 Hydraulic Cylinder is designed for medium and high-pressure hydraulic systems:

• Rated continuous working pressure: 210 bar (3045 PSI)

• Max intermittent peak pressure: 250 bar (3625 PSI)
  
  

4. Can 556/60459 Hydraulic Cylinder replace other brands?

• Fully matched mounting size: 70×40 bore/rod and 470mm closed center, no modification required during installation.

• Same working pressure rating (210–250bar continuous, 250bar peak) as original factory cylinders, consistent with machine hydraulic system parameters.

• It can replace worn-out original JCB ram and alternative aftermarket brand cylinders with identical part specification for the clamshovel bucket assembly.
  
  

5. What hydraulic oil is recommended for 556/60459 Hydraulic Cylinder ?

• Extension speed: 80 ~ 180 mm/s

• Retraction speed: 120 ~ 250 mm/s

• Do not exceed 300 mm/s to protect seals from premature damage.

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

556/60459 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.