Re: Hydraulic motor

Posted by ss55 on January 28, 2018 at 11:08:54 from (63.147.218.40):

In Reply to: Hydraulic motor posted by HNM on January 27, 2018 at 14:54:13:

The original PTO drive probably had a shear bolt for overload protection. The size of that shear pin will give you an idea of how much torque you need to deliver to the gearbox. Can you use the same shear bolt for overload protection or will you need to use a pressure relief valve or a slip clutch?

High torque low speed hydraulic motors are big, heavy and expensive due to their large displacement. It might cost less to add a V-belt or roller chain speed reduction and run a smaller displacement hydraulic motor at a higher speed.

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