What kind of oil should be added to a hydraulic coupling?

1 Answers
LaVera
07/29/25 1:19pm
Hydraulic couplings require different types of oil depending on their design. Generally, non-flammable hydraulic oils such as No. 8 hydraulic oil, No. 32 hydraulic oil, No. 20 turbine oil, or No. 6 hydraulic transmission oil can be used. The optimal oil fill level for a hydraulic coupling is between 70% to 80% of its capacity. It is important to note that gear oil must not be used, and overfilling the hydraulic coupling is strictly prohibited. Also known as a fluid coupling, a hydraulic coupling is a mechanical device that connects a power source to a working machine to transmit rotational power. Key considerations when using a hydraulic coupling include: 1. Avoid rapid and frequent forward/reverse switching; 2. Regularly inspect the alignment and precision of the motor shaft and the working machine shaft.
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