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Bobcat  > Skid Steers  > Hydraulic oil in BOBCAT 743  
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 Author Thread: Hydraulic oil in BOBCAT 743
miszka01 is not online. Last active: 4/27/2012 12:59:07 PM miszka01
Joined: 27 Jan 2007
Total Posts: 13
Hydraulic oil in BOBCAT 743
Posted: 02/02/2007 01:56 PM
I need some help. I would like to change hydraulic oil in my Bobcat. Somebody know how to change oil and tell me step by step. My mail: Thanks
Tazza is not online. Last active: 12/21/2014 2:16:06 PM Tazza
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Joined: 08 Dec 2004
Total Posts: 11922
Re: Hydraulic oil in BOBCAT 743
Posted: 02/02/2007 11:09 PM

There is no easy way i'm afraid, unfortunately there is no drain plug you can simply remove. All i do is attach a hose to my aux hydraulic couplers and drain as much fluid as i can by operating the aux hydraulics with the machine running at idle, then re-fill the reserve tank and run the machine a bit, operating the hydraulics and driving around, then dump as much oil as possible the same way.

Remember to change filter if you change oil, i'm sure you would but i'm sure there are some that neglect the filter!

There is no way to remove all the oil unless you remove everything! trust me, you don't want to do that.

Bobcat 763 burntSadbut i'm working on it!, 04 S150 with air and a smooshed cab, S250 turbo.
sterlclan is not online. Last active: 10/18/2014 5:00:47 AM sterlclan
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Joined: 01 May 2004
Total Posts: 527
Re: Hydraulic oil in BOBCAT 743
Posted: 02/03/2007 05:04 AM
I drain mine by unhooking the return line from the hydralic cooler but my cooler is mounted to the rear door and is easy to get to Ive also seen people unhook the one from the filter as well Jeff

The difficult is no problem....................................................the impossible just takes a little longer. Try it........You might like it
mikie is not online. Last active: 11/11/2007 5:23:45 AM mikie
Joined: 04 Feb 2007
Total Posts: 31
Re: Hydraulic oil in BOBCAT 743
Posted: 02/04/2007 02:08 PM
i was fortunate enough to acquire a factory manual for the 743's. their procedure says to remove the line off the filter and drain it from there. probably want to warm it up so it doesnt pour like molasses if it is as cold where you are at as it is here. mikie
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