We manufacture high quality hydraulic cylinder at lower cost.

We maintain quick response for various market.

Liebherr R976 bucket hydraulic cylinder

Part number 9965984

seal kit Original Japan

piston rod chrome； 0.03 - 0.05 mm

heat treatment hardness HV900- 1100

Liebherr 976 arm Hydraulic cylinder

part number 9965984

Our quality control:

We focus on every part's quality and material:

Rod seal:

Superior quality named-brand seals improve a longer life and seal effect.

Tube:

skived&burnished or vertical honing tube assures the concentricity and straightness.

Rod:

Induction hardened prior to chrome plating enhances the surface hardness. Enhanced chrome plating improve corrosion resistence and anti-scratch performance.

Piston:High pressure piston sealing material.

Making cylinder that are worthy of your equipment.

You will be without worry, when the cylinder will interchange completely with the original on your equipment.

The cylinder that are worthy of your equipment mean higher work efficency and less downtime won't let you down.

Our packing for exportation:

We have drawing size for you to check, pls email me , i will send to you if you want to order:

JDF is completely in-house manufacturing by ourself, we have a big factory with 215000 square meters.

The machine include Skive Roller Burnishing Machines, Honing Machines, CNC Centers, Automatic welding machines, Grinders machine, Cylinder assembly& test benches, paining line.

1, How does a hydraulic cylinder works ?

Hydraulic cylinders get their power from pressurized hydraulic fluid, which is typically hydraulic oil. The hydraulic cylinder consists of a hydraulic barrel, in which a piston connected to a piston rod moves back and forth. The piston has seal kits.

Also, cylinders has gland, nuts,seal kits.

2,How many types of hydraulic cylinders are there ?

There are 4 types of hydraulic cylinders used in different applications. It is important to know which hydraulic cylinder is going to work best for your applications or machine like excavator, agricultural machines or road building machines.

Each types of cylinder use a different design and mechanism to function and work.

It is also important to use cylinders that are designed by engineers and fluid powers specialists.

The four types of cylinders are :

Single acting cylinders

Double acting cylinders

Piggyback cylinders

Telescopic cylinders

Since 1999, QUANZHOU JUNDE MACHINERY CO.,LTD, located in the
port city “Quanzhou” have played a motivated role in design,manufacturing and rebuilding of hydraulic cylinder.
 

Today we are known as a leading manufacturer for construction
equipment hydraulic cylinder solutions.

Over 10 years of steady growth, we boasted of having the highest
market share in China’s excavator cylinder aftermarket spare market.
 

Whilst endorsed by Cat classic part and regularly supply the hydraulic
cylinder from 2010.

Cat classic part provide the cost-effictive solutions of replacement spare part for the users, that is consistent with our company idea that build a perfect balance point between the product
cost and reliability.

Today the factory with the state-of-the-art manufacturing equipment
has been expanded to 215000 square feet, meanwhile being the ISO9001:2008 certified company.

Our diligence passion and sincerity inspire us to maintain strong competitive edge as well as supply high cost-effective product to our customers.

JDF can also customize hydraulic cylinder according to your special requests, like agricultural equipments.

Welcome to write email to me. 

Lisa