Excavator Spare Part Main Pump A4VG56 A4VG40 Air Driven Hydraulic Pressure Pump
The structure of A4VG56 A4VG40 hydraulic pump is piston pump , it is a standard hydraulic pump . We can supply Rexroth brand , China brand & Handok brand , customers can choose at will . It is also a kind of axial A4VG pump which can be installed in Excavator . And our stock is very adequate , we supply 500 pieces per month .
Hydromatik variable A4VG40 A4VG56 A4V71 A4V90 A4V125 A4V180 A4V250 Pump , control device available OV HD HW HK EL DA etc .
Features of this series pump :
– Variable axial piston pump of swashplate design for hydrostatic closed circuit transmissions
– Flow is proportional to drive speed and displacement and is infinitely variable
– Output flow increases with the swivel angle of the swashplate from 0 to its maximum value
– Flow direction changes smoothly when the swashplate is moved through the neutral position
– A wide range of highly adaptable control devices is available for different control and regulating functions
– The pump is equipped with two pressure relief valves on the high pressure ports to protect the hydrostatic transmission
( pump and motor ) from overload
– The high-pressure relief valves also function as boost valves
– The integrated boost pump acts as a feed and control oil pump
– The maximum boost pressure is limited by a built-in boost pressure relief valve
– The integral pressure cut - off is standard
The paramter of the Hydraulic pump need to check :
1 . Nameplate of your pump
2 . The picture of your pump
3 . The machine model .
If you only need the hydraulic pump parts :
1. Need to send us the nameplate of the pump
2. Need to send us the size of the piston shoe
|Brand||Rexroth brand , China brand & Handok brand|
|Part name||Piston pump|
|After-sales Service||Online Support|
|Payment term||T/T, Western union, PayPal etc|
|Delivery||1 days after the payment received(If have stock)|
|Shipment||by sea, by air, by express or as required|
Our advantages :
1. Excellent product with reasonable price
The price of our main product is quite reasonable , for we own special - purpose factory supplier , so our manufacturing price is very low , the same quality product , our price is lower .
2. Experienced Salesperson with professional knowledge
Our founder has been into this field for more than 7 years , with rich experiences.We will conduct professional knowledge training and assessment for sales staff every month .
3. Rigorous Serious Professional Attitude
About the parts , we will check it before the shipment , if can not make sure it , maybe will ask you for more information about your parts , We need to deliver the goods to our customers correctly .
4. Specific parameters of the product
We are professional on our main products , We have detailed pictures and detailed parameters for your main products .
5. Delivery norm : convenience , speed and low price
Customers from more than 96 countries purchase our products every year . Therefore , having professional shipping agents is very important , we will choose the most convenient way with good price shipment to send the goods to you , You can choose DHL , FEDEX , UPS , Air , Sea etc .
|1 . what kind of information I need to send you?|
|For different parts it need different information , for hydraulic pump need the nameplate and picture . For the final drive , need the number of the frame hole and sprocket hole ,and the inner diamter of the sprocket . But don't worry , if we need information , we will ask you to check .|
|2 . Do you have stock?|
|For our main products , our have stock for almost of them , the factory supplier warehouse is near us , if the parts we don't have stock , we will tell you before you order it .|
|3 . Can I get the picture of the part I need before payment ?|
|For almost parts , we can give you the picture of it , but some parts we don't have picture , but anyway will show you before the shipment .|
|4 . When will the delivery be arranged after the payment|
|After we received the money , we will arrange the shipment within 1 days ;|
|5 . How can I do if there is something wrong with the items ?|
|First of all , I have confidence in the quality of our products , if you really found something wrong ,please provide pictures for us and we will check. After it is confirmed, please return to us , we will offer the correct item .|
|6 . What is your advantage products ?|
|Our advantage products are final drive / hydraulic pump / swing gearbox / travel gearbox / swing motor / hydraulic parts . If you need any parts for crawler excavator , you can ask us . We will try our best to find the parts what you need .|