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  1. #1
    New Member
    Join Date
    Feb 2013
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    4
    Location
    Cloquet, MN
    Tractor
    2011 Bobcat CT 335

    Default Fluid Capacities

    I haven't been able to locate my manual since my tractor spent the summer at my father-in-law's farm. It's time for the 50 hour maintenance & I could sure use some help. All I really need at the moment is fluid weights and capacities. I've been able to find the filter numbers thanks to this site but I don't have the specs on the oil & hydraulic fluid as well as how much of each.
    Any help will be appreciated. Also, I could use a couple of opinions on synthetic oil.
    Thanks,
    Ray

  2. #2
    Bronze Member blake037374's Avatar
    Join Date
    Jan 2013
    Posts
    53
    Location
    Baton Rouge, LA
    Tractor
    CT440

    Default

    What model

  3. #3
    New Member
    Join Date
    Feb 2013
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    4
    Location
    Cloquet, MN
    Tractor
    2011 Bobcat CT 335

    Default Re: Fluid Capacities

    Quote Originally Posted by blake037374 View Post
    What model
    Oh, sorry. CT335

  4. #4
    gkm
    gkm is offline
    Silver Member gkm's Avatar
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    Sep 2007
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    102
    Location
    Shepherdstown
    Tractor
    Bocat CT335 HST Cab

    Default Re: Fluid Capacities

    Quote Originally Posted by Ray Javu View Post
    I haven't been able to locate my manual since my tractor spent the summer at my father-in-law's farm. It's time for the 50 hour maintenance & I could sure use some help. All I really need at the moment is fluid weights and capacities. I've been able to find the filter numbers thanks to this site but I don't have the specs on the oil & hydraulic fluid as well as how much of each.
    Any help will be appreciated. Also, I could use a couple of opinions on synthetic oil.


    Thanks,
    Ray
    You'll need 12 gallons of hydro, 8 quarts of 80w90 gear oil for front diff and 6 quarts (5.8) engine oil.
    Bobcat CT335 Hydro Cab w/ BobTach FEL, 72" Box Blade, 72" finish mower, 3pt spreader, 1000 lb. roller, tow-along 30 gal. sprayer

  5. #5
    New Member
    Join Date
    Feb 2013
    Posts
    4
    Location
    Cloquet, MN
    Tractor
    2011 Bobcat CT 335

    Default Re: Fluid Capacities

    Thanks for the help. Do you have an opinion on brand names? How about synthetics?

  6. #6
    gkm
    gkm is offline
    Silver Member gkm's Avatar
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    Sep 2007
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    102
    Location
    Shepherdstown
    Tractor
    Bocat CT335 HST Cab

    Default Re: Fluid Capacities

    Quote Originally Posted by Ray Javu View Post
    Thanks for the help. Do you have an opinion on brand names? How about synthetics?
    Everybody's different, but I use shell spirax that you can pickup at wallyworld, rotella t6 5w40 synthetic and 80w90 gear oil for front diff.
    Bobcat CT335 Hydro Cab w/ BobTach FEL, 72" Box Blade, 72" finish mower, 3pt spreader, 1000 lb. roller, tow-along 30 gal. sprayer

  7. #7
    New Member
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    Feb 2013
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    4
    Location
    Cloquet, MN
    Tractor
    2011 Bobcat CT 335

    Default Re: Fluid Capacities

    I thought I had this figured out. Is this correct?
    12 gallons of Shell Spirax Hydraulic Fluid-
    6 quarts of Rotella T6 synthetic motor oil-
    8 quarts of 80w90 gear oil-
    What about the automatic transmission?
    Do all these things need to be changed at 50 hours?
    Sorry for the trouble.

  8. #8
    Bronze Member blake037374's Avatar
    Join Date
    Jan 2013
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    53
    Location
    Baton Rouge, LA
    Tractor
    CT440

    Default

    I had a dealer tell me just change engine oil at 59 and at 100 drain and replace rest of fluids

  9. #9
    Veteran Member SSdoxie's Avatar
    Join Date
    Jun 2010
    Posts
    1,911
    Location
    Cumberland Plateau, TN
    Tractor
    Bobcat CT225

    Default Re: Fluid Capacities

    Quote Originally Posted by Ray Javu View Post
    I thought I had this figured out. Is this correct?
    12 gallons of Shell Spirax Hydraulic Fluid-
    6 quarts of Rotella T6 synthetic motor oil-
    8 quarts of 80w90 gear oil-
    What about the automatic transmission?
    Do all these things need to be changed at 50 hours?
    Sorry for the trouble.
    The 12 gallon hydraulic fluid includes the HST (transmission), rear differential & gear box, and hydrauilcs for steering - loader - 3 pt.
    Actual capacity listed is 8.1 gl for a HST tractor and 11.4 gl for the SST/gear tractor. Never hurts have extra on hand in case you spring a leak sometime.
    All fluids and filters should be changed at 50 hrs. To help flush out and left over machining or wear in debris that has not gone through the filters.
    After that, chage the hydraulic & hydrostatic (if HST) at every other engine oil change, and replace hydraulic fluid at every 4th engine oil change.
    Dennis

    CT225 w/7TL QA FEL, 60"tooth dirt bucket, 68" smooth bucket, Pallet Forks, Bale Spear. Hydrualic top llin, QH, 48 RC, 60" tiller, Angle blade, Landscape rake, Carry-all, Post hole auger.

  10. #10
    Silver Member krazsk's Avatar
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    Oct 2009
    Posts
    192
    Tractor
    Bobcat CT225, McCormick X10.50H

    Default

    There's quite a bit if difference between the fluid capacities of the 235 and the 450 . 235 is like 8 gal and 450 is something like 12 gal. I don't know about the 335, but I'm guessing it is the same as the big boys. I really could be wrong though. Do you know, Doxie?

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