• PAT778322PAT778322
  • PAT778322PAT778322
  • PAT778322PAT778322
  • PAT778322PAT778322


Guangzhou Jianleshun Machinery Co., Ltd. is a professional R&D and sales excavator accessories company. The main products are PAT778322 Excavator Coupling Assembly CF - A - 140A. Our products are now popular in North and South America, Southeast Asia, Middle East and East Asia Welcome. Warmly welcome friends from all over the world to consult. Our high-quality products and reasonable prices will make you satisfied.

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Product Description

PAT778322 Excavator Coupling Assembly CF - A - 140A


Product Introduction

PAT778322 Excavator Coupling Assembly CF - A - 140A Hydraulic couplings consist of two-bladed wheels that face each other, but that is not in physical contact. The pump wheel, or driving turbine, is connected to the driving machine. The turbine wheel is connected to the driven machine.


Product Parameter(specification)


  Excavator Spare Parts

Part Number

PAT778322 / PAT3683643



CF - A - 140A

Item Name

Pump coupling assy


100% new


Neutral packing

Brand Namel



Product Feature and Application

PAT778322 Excavator Coupling Assembly CF - A - 140A Changing the fill level in fluid couplings also allows the speed of the driven machine to be controlled. Additionally, hydrodynamic couplings protect the drive and the machine against damaging torque spikes. If necessary, the slip can reach 100%, meaning that the motor can continue to run in a stable machine range.


Product Details

1.Used to connect shafts of units that are manufactured separately such as a motor and generator.

2.For the misalignment of the shafts.

3.For mechanical flexibility.

4.Absorbs the transmission of shock loads from one shaft to another shaft.

5.Protection against overloads.

6.PAT778322 Excavator Coupling Assembly CF - A - 140A



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