557/60237 Ram 90*50 Overview

557/60237 lift cylinder is aftermarket OEM replacement ram for JCB 3CX & 4CX backhoe loader front loader lifting system, specification 90mm bore ×50mm rod. It delivers hydraulic power to raise and lower front loader bucket for earthmoving, bulk cargo loading and construction work. Fully produced per original JCB dimension standard for direct bolt-on installation with no extra alteration.

Features and Benefits

• Seamless honed cylinder barrel with high compression resistance, resistant to heavy impact on rugged job sites.

• Hard chrome plated piston rod, excellent wear & corrosion resistance for long service life in dusty environment.

• Multi-combination premium seal kits, effectively stop internal and external oil leakage and cut maintenance cost.

• Same mounting size and working pressure as original part, perfectly matching machine hydraulic system.

• Full hydraulic pressure testing before delivery, 12-month quality warranty available.

Specifications of 556/60237- Hydraulic Cylinder

• Part Number: 557/60237

• Bore × Rod: 90 mm × 50 mm

• Type: Double acting loader lift cylinder

• Fit Model: JCB 3CX / 4CX backhoe loader

• Rated working pressure: 210–250 bar

• Max peak pressure: 250 bar

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

• Surface: Hard chrome plated 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

557/60237 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.

557/60237 Hydraulic Cylinder FAQ:

1. What is the 557/60237 Hydraulic Cylinder ?

• Cylinder barrel: High-strength seamless steel tube with inner precision honing for smooth piston movement and high pressure resistance.

• Piston rod: 45# alloy steel, induction hardened + hard chrome plated for wear & rust resistance, spec 50mm dia.

• Piston, end caps & head: Hot-forged solid steel to bear heavy construction load.

• Seal kit: Imported PU & nitrile rubber, anti-leakage under 210–250bar working pressure.

• Guide bush: Wear-resistant cast bronze for stable rod operation.

  All parts follow original JCB dimension standard for direct replacement.
  
  

3. What is the working pressure range of 557/60237 Hydraulic Cylinder ?

The 557/60237 Hydraulic Cylinder is designed for medium and high-pressure hydraulic systems:

• Continuous rated working pressure: 210 bar (3045 PSI)

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

4. Can 557/60237 Hydraulic Cylinder replace other brands?

• It directly replaces original JCB 557/60237 and cross part 557/60141 without modification.

• Dimensions and working pressure conform to OEM standard for JCB 3CX / 4CX backhoe loader.

• It can substitute same-spec aftermarket JCB lift cylinders from different spare part manufacturers.

• It cannot fit CAT, CASE or other non-JCB cylinders due to different structural sizes.
  
  

5. What hydraulic oil is recommended for 557/60237 Hydraulic Cylinder ?

• Normal extension speed: 120～180 mm/s under standard system flow.

• Normal retraction speed: 190～270 mm/s (faster due to rod area difference).

• Max allowable speed limit: no more than 300 mm/s to protect seals.

• Actual speed changes with loader hydraulic pump output flow.

7. Do you provide OEM or customized services?

• We support OEM marking with customer’s own brand and part number.

• Custom dimensions and special stroke cylinders are available upon technical drawing.

• We can adjust seal materials for special working conditions.

• Small-batch customized orders are acceptable for negotiation.

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

557/60237 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.