Clamshovel Ram 556/60401 70*40 Overview

556/60401 is double-acting clamshovel cylinder with 70mm bore and 40mm rod, specially designed for JCB 3CX and 4CX backhoe loaders. Retracted center distance is 557mm, installed on front loader bucket to drive bucket opening and clamping for grabbing bulk materials.

It adopts seamless steel barrel and hard chrome-plated piston rod for excellent wear resistance. All mounting dimensions and oil port positions follow OEM standard to realize direct replacement without any modification. Each cylinder passes 315bar pressure test before delivery to prevent oil leakage and adapt to severe construction environment.

Features and Benefits

• Standard 70×40 specification matches original JCB installation requirement

• Hard chrome rod effectively reduces abrasion and extends service life

• High-quality seal kits avoid inner and outer hydraulic leakage

• Stable 210bar rated pressure ensures powerful clamping performance

• OEM identical size enables plug-and-play installation to save maintenance cost

Specifications of 556/60401- Hydraulic Cylinder

• Part Number: 556/60401

• Type: Double Acting Clamshovel / Bucket Clamping Ram

• Bore × Rod: 70 mm × 40 mm

• Closed Center Distance: 557 mm

• Rated Working Pressure: 210 Bar (3045.8 PSI)

• Factory Test Pressure: 315 Bar (4568.7 PSI)

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

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

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

• Installation: OEM 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

556/60401 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.

556/60401 Hydraulic Cylinder FAQ:

1. What is the 556/60401 Hydraulic Cylinder ?

• It uses seamless steel barrel for high structural strength.

• Hard chrome piston rod improves wear and corrosion resistance.

• High-quality seal sets stop internal and external oil leakage.

• Each unit undergoes 315 bar pressure inspection before shipment.

• OEM standard size allows convenient direct replacement.
  
  

3. What is the working pressure range of 556/60401 Hydraulic Cylinder ?

The 556/60401 Hydraulic Cylinder is designed for medium and high-pressure hydraulic systems:

• Rated normal working pressure: 210 Bar (3045.8 PSI).

• Maximum factory test pressure: 315 Bar (4568.7 PSI).
  
  

4. Can 556/60401 Hydraulic Cylinder replace other brands?

• It is produced strictly per OEM original dimensions.

• It directly fits original JCB hydraulic cylinders.

• It is compatible with most aftermarket alternative brands.

• No modification to mounting holes or oil lines is needed.

• Perfectly matches JCB 3CX and 4CX backhoe loaders.
  
  

5. What hydraulic oil is recommended for 556/60401 Hydraulic Cylinder ?

• Typical extension speed: 80–180 mm/s

• Typical retraction speed: 120–250 mm/s (faster due to reduced rod chamber area)

• Full-stroke working cycle lasts roughly 2.0–3.2 seconds under standard factory hydraulic flow.

• Avoid running over 300 mm/s to protect seals from premature wear and impact damage.

7. Do you provide OEM or customized services?

• We support OEM service based on customer’s drawings and samples.

• Custom logo, part number and packaging are available.

• Custom bore, rod length and mounting dimensions can be made on request.

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

556/60401 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.