Komatsu hydraulic cylinder

Part no.

4433371

4484270

4439903

4619953

4433373

EX3600-5 -6 Boom, arm or bucket hydraulic cylinder

Our warranty policy:

1 Complete Hydraulic Cylinder Rebuild – Guaranteed for 3000 workmanship hours or 6 months, whichever comes first.

2 Any exchanged component or new cylinder –

Guaranteed for 5000 hours or 1 year, whichever comes first.

3 Claims must be submitted within 30 days of failure, or they will be subject to rejection.

we will test every cylinders before sending out :

any failure below will be find out :

1) excessive vibration

2) high fluid temperature

3) control loss

4) noisy

5) leakage

6) low pressure

7) unoperative

8) over heat

we use high quality raw materials as below :

rod eye---CK45

rod shaft---AISI 4140 55-60 HRC induction and chrome

barrel eye---ck45

flange---st52

tube---st52 roughness ra0.25

piston---AISI4140

gland-----AISI 4140

cushion sleeve---AISI4140

lock nut----AISI4140

we control every processure of production very strictly.

for example : rod as quality control :

check the rod visually :

check for damages, cracks, and scratches on the chrome surface.

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