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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Increasing aux. flow on 4XX series
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<blockquote data-quote="SkidRoe" data-source="post: 78804" data-attributes="member: 3290"><p>The 463 already has the higher capacity pump and increased relief valve pressure of the S70, so that may help you make your choice.</p><p>I increased my flow slightly by fitting a 0.5" larger OD pulley when I repowered my 440B. Combined with the fact that the Chinese Honda runs 400 rpm faster than the Kohler, I have picked up about a gallon per minute.</p><p>I have resisted the urge to tamper with my relief valve setting. I am afraid the extra power will cause me to break (more) stuff. I am getting adequate power out of my hydraulic auger, and that is about the only place that I think it would make a difference for me. It is kind of nice to have the auger stall when you hit somenting solid.</p><p>If I really do need more power/lift/etc., I go get the 773 from the farm.</p><p>What attachments are you contemplating that would require a quantum leap in aux. flow/pressure?</p><p>Cheers - SR</p></blockquote><p></p>
[QUOTE="SkidRoe, post: 78804, member: 3290"] The 463 already has the higher capacity pump and increased relief valve pressure of the S70, so that may help you make your choice. I increased my flow slightly by fitting a 0.5” larger OD pulley when I repowered my 440B. Combined with the fact that the Chinese Honda runs 400 rpm faster than the Kohler, I have picked up about a gallon per minute. I have resisted the urge to tamper with my relief valve setting. I am afraid the extra power will cause me to break (more) stuff. I am getting adequate power out of my hydraulic auger, and that is about the only place that I think it would make a difference for me. It is kind of nice to have the auger stall when you hit somenting solid. If I really do need more power/lift/etc., I go get the 773 from the farm. What attachments are you contemplating that would require a quantum leap in aux. flow/pressure? Cheers - SR [/QUOTE]
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General Bobcat Skidsteer Forum
Increasing aux. flow on 4XX series
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