Gold Member Since 2015
Fuquan Industrial Co., Limited

Hydraulic Boom Cylinder, Excavator Arm Bucket Cylinder, Boom Arm Bucket Cylinder manufacturer / supplier in China, offering Hydraulic Boom Arm and Bucket Cylinder for Excavator Bulldozer, Caterpillar Cat320dl Excavator Spare Parts Triple Track Shoe Plate, Doosan Dx300 Dx340 Excavator Spare Parts Standard Rock Bucket and so on.

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Supplier Homepage Product Hydraulic Cylinder Hydraulic Boom Arm and Bucket Cylinder for Excavator Bulldozer

Hydraulic Boom Arm and Bucket Cylinder for Excavator Bulldozer

Purchase Qty.:
2-3 4-5 6+
FOB Unit Price: US $326.82 US $442.25 US $550.25
Purchase Qty. (Pieces) FOB Unit Price
2-3 US $326.82
4-5 US $442.25
6+ US $550.25
Get Latest Price
Production Capacity: 20, 000PCS
Transport Package: Export Wooden Pallet
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: CAT320/CAT325/CAT330/CAT345/E200B/E70B
  • Application: Excavator
  • Condition: New
  • Hardness: HRC50--55
  • H.S Code: 84314999
  • Color: Yellow or Black
  • Trademark: FT
  • Origin: China
  • Type: Crawler
  • Certification: ISO9001: 2000
  • Material: 45#
  • Warranty Time: 12 Months
  • Sea Port: Xiamen
  • Certificate: ISO9001
  • Specification: export standard
  • HS Code: 84314999
Product Description
ISO9001 standard Arm/bucket/boom excavator hydraulic cylinder for sale
Construction Equipment Hydraulic Cylinders

Hydraulic cylinders that are used on construction equipment must be rugged and reliable. They will experience a lifetime exposed to heavy use in a harsh environment. Failure in service will result in costly downtime, project delays and maintenance headaches.

These cylinders must be designed to withstand the following:
Temperature Extremes -winter cold and summer heat.
Abrasives - dirt, grit and dust.
Corrosive Environments - rain and salt.
Work Load - heavy continual use.
Contamination - asphalt and cement splatter.

1.Rod seal:superior quality named-brand seals improve a longer life and seal effect polyurethane U-packing rod seals/buffer seals · bonded-to-metal wiper seals custom seals available
2.:Skived&burnished or vertical honing tube assures the concentricity and straightness
3.Bushing:Hardened steel bushing or copper bushing
4.Eye:All eyes are made of forged high strenght steel improve cylinder not only in appearance but in mechanical performance
5.Rod:Induction hardened prior to chrome plating enhances the surface hardness,enhanced chrome plating improve corrosion resistence and anti-scratch performance
6.Piston:High pressure piston sealing material:teflon or nylon seals.High precision machining maximize the consistency of parts.
7.Cap:All caps are made of forged high strength steel
*Skive Roller Burnishing Machines
*Vertical Honing machine
*Mchining Centers
*CNC Lathes
*Automatic Welding Machines
*Polishing machine
*Cylinder Assembly Benches
*Cylinder Test Benches
*Spray room
Process flow
Materials feeling → Tempering → Cylindrical lathe cutting → High-frequency quenching → Cylindrical grinding → Hard chrome plating → External grinding
After tempering and surface high-frequency quenching,external surface hard chrome
piating, make it hard both internal and external with smooth surface.

Piston rod: Adopt high precision mirror polishing


45# high grade carbon steel or 40CR

Tempering hardness


The depth of the high frequency


High frequency hardness


Chrome plating thickness


Chromium layer hardness




Surface roughness

Ra0.03um- Ra0.06um

Outside diameter tolerance


Hydraulic Cylinder Tube: Using imported equipment rolling machine

Kind of steel


Tensile strength N/mm




Specific elongation


Precision of size




Roughness of inner hole




Xiamen Fortune Machinery Co., Ltd. is one of main manufacturers and exporters of undercarriage parts for excavators and bulldozers for more than 15 years in China. Its factory is located at Quanzhou City of Fujian Province, very near Xiamen Port with a very convenient transportation.

Xiamen Fortune Machinery mainly supply undercarriage replacement parts such as track rollers, top rollers, sprockets, segments, idler assy, track link assy, track shoe, bucket, bucket teeth, bucket link, I link, cutting side, end bits, long boom&arm, bushings pins, bolts and nuts for excavators and bulldozers. Its products are applicable for most famous makes such as Komatsu, Hitachi, Caterpillar, Kobelco, Kato, Daewoo, Hyundai, Samsung and so on. Most products are exported to European, Southeast Asia, Middle East, South America etc.

With the principal "Good quality and Best services at reasonable prices", we strive to continually improve our production technique to provide better products at better prices. We cordially welcome the customers from all over the world to consult and visit, on the basis of mutual benefit and creat refulgence together.






















1. You are a trader or a manufacture?
    We are an industry and trade integration business, our factory located on Quanzhou Nanan Distric, and our sales department is in City centre of Xiamen. The distance is  80Kms, 1.5 hours.
2. How can I be sure the part will fit my excavator?
    Give us correct model number/machine serial number/ any numbers on the parts itself. Or measure the parts give us dimension or drawing.
3. How about the payment terms?
     We usually accept T/T or L/C. other terms also could be negotiated.
4. What is your minimum order?
     It depends on what you are buying. Normally, our minimum order is USD5000. one 20' full container and LCL container (less than a container load) can be acceptable.
5. What is your delivery time?
     FOB Xiamen or any Chinese port : 20 days . If there are any parts in stock , our delivery time is only 7-10 days.
6. What about Quality Control?
    We have a perfect QC system for the perfect products. A team who will detect the product quality and specification piece carefully, monitoring every production process until packing is complete, to ensure product safety into container.

Contact us:
Xiamen Fortune Machinery Co., Ltd.
Contact person:James

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