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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Question on hydraulic motors
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<blockquote data-quote="TriHonu" data-source="post: 10790" data-attributes="member: 897"><p>I would not remove the gear box. I would remove the PTO shaft and use a hydraulic motor to turn the gearbox. I would also incorporate a shear pin in the drive assembly if the gearbox doesn't have a slip-clutch.</p><p>Both the neighbor an I have looked at the same conversion. You can buy pto brush mowers for a fraction of the cost of one already set up for a skidsteer.</p><p>You will want to know what speed PTO the mower was designed for. Most PTO's were either 540 or 1000 rpm. You will have to know the hydraulic flow in your auxiliary circuit to calculate what size hydraulic motor will give you the correct speed. If you use a chain drive from the hydraulic motor to the gear box your choice of motors is greatly increased since you can vary the chain sprocket sizes to get the correct RPM to the gearbox. Note that the larger the mower the more HP you need to turn it. Hydraulic HP is a function of pressure and flow. Your loaders engine HP is higher than the HP you can create from the auxiliary circuit. Keep this in mind when deciding how large a deck to convert. </p><p>Safety is up to you. The commercial units set up for skidsteers have a valve that will stop the hydraulic flow to the mower if it is raised off the ground. The instructions for my snowblower even state to use the intermittent switch when blowing and not to use the constant flow switch. I believe the same would apply to a mower.</p></blockquote><p></p>
[QUOTE="TriHonu, post: 10790, member: 897"] I would not remove the gear box. I would remove the PTO shaft and use a hydraulic motor to turn the gearbox. I would also incorporate a shear pin in the drive assembly if the gearbox doesn't have a slip-clutch. Both the neighbor an I have looked at the same conversion. You can buy pto brush mowers for a fraction of the cost of one already set up for a skidsteer. You will want to know what speed PTO the mower was designed for. Most PTO's were either 540 or 1000 rpm. You will have to know the hydraulic flow in your auxiliary circuit to calculate what size hydraulic motor will give you the correct speed. If you use a chain drive from the hydraulic motor to the gear box your choice of motors is greatly increased since you can vary the chain sprocket sizes to get the correct RPM to the gearbox. Note that the larger the mower the more HP you need to turn it. Hydraulic HP is a function of pressure and flow. Your loaders engine HP is higher than the HP you can create from the auxiliary circuit. Keep this in mind when deciding how large a deck to convert. Safety is up to you. The commercial units set up for skidsteers have a valve that will stop the hydraulic flow to the mower if it is raised off the ground. The instructions for my snowblower even state to use the intermittent switch when blowing and not to use the constant flow switch. I believe the same would apply to a mower. [/QUOTE]
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Question on hydraulic motors
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