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  1. #1
    New Member
    Join Date
    Dec 2011
    Posts
    4
    Tractor
    bobcat toolcat 5600

    Default Overheating

    Greetings...this is my first post...so please be gentle...I have a 2011-5600 toolcat. It keeps eating the o-ring on top of the front drive motor. Also, I am having some overheating issues. The dealer replaced the thermostat. I keep all filters clean, as well as the radiators. Even after doing all of this, the heat gauge climbs, I stop the machines forward motion, it cools and then heats up, after a little while everything goes back to normal. Please help, and realize that I have limiting mechanical, spelling , and typing skills.

  2. #2
    Silver Member
    Join Date
    Feb 2002
    Posts
    155
    Location
    Goshen, CT.
    Tractor
    kobota KX 080-3, KX121-3, L48, (2) L4630, bx23, cat257, M9000,(2) RTV1100,jd450h, ASV100 ,zd331

    Default Re: Overheating

    I have a 2011 5600 also and have not had an issue with overheating, I mow with the 5600 alot and after an hour or so the screen on the radiator is plugged and it has no effect on the temp of the 5600. So with that said you must have some type of blockage have you tried to remove the thermostat and see what happens? If that does not help then you know something is putting a load on the eng. I would think that if you are have a problem with a drive motor that might be the the source of the problem, I would be interested to hear how you make out?

  3. #3
    New Member
    Join Date
    Dec 2011
    Posts
    4
    Tractor
    bobcat toolcat 5600

    Default Re: Overheating

    toy1, thanks for the reply. I have a tech coming next week. The machine is still under warranty and I need to play by their rules for now. I will keep you informed. Thanks, Livebait

  4. #4
    Veteran Member SSdoxie's Avatar
    Join Date
    Jun 2010
    Posts
    1,911
    Location
    Cumberland Plateau, TN
    Tractor
    Bobcat CT225

    Default Re: Overheating

    Does the fan seem to be running faster when it is hot versus when cool? It should be. Look underneath the radiator to locate the hydraulic fan motor, follow the electrical lead to a connection plug (about 6-12" form fan). Start the engine when cold, lock the brakes, then unplug that fan plug - the fan should go to full speed when unplugged. If it will not call the dealer so they can bring solenoid spool with them when they come.
    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.

  5. #5
    New Member
    Join Date
    Dec 2011
    Posts
    4
    Tractor
    bobcat toolcat 5600

    Default Re: Overheating

    SSdoxie, thanks for the reply, I will give it a shot. LIVEBAIT

  6. #6
    Platinum Member DEWFPO's Avatar
    Join Date
    Jun 2007
    Posts
    687
    Location
    "High in the Rockies"

    Default Re: Overheating

    The fan should be running all the times even with a stone cold engine. The hotter the coolant gets, the faster the fan will run (obviously, to a point). If the thermostat is working properly as well as the water pump and there is not an internal blockage (unlikely) and a hose isn't kinked, I would be looking at the cooling fan drive.

    DEWFPO
    2009 Toolcat 5600 "D-Series", Hi-Flow, 29's, 72" SB-200, 84" Snowblade, 62" Lo-Pro Bucket

    SOLD - 2006 MF GC2300, 2350 FEL, 2315 MMM, 2360 SB, KingKutter CarryAll

  7. #7
    New Member
    Join Date
    Dec 2011
    Posts
    4
    Tractor
    bobcat toolcat 5600

    Default Re: Overheating

    Greetings to all who have posted to this thread. The tech came today and replaced the sending unit on the block. I have been grinding stumps all afternoon and the temp gauge has not moved. So as they say so far so good.Thanks to all who tried to help me.

  8. #8
    Elite Member
    Join Date
    Jul 2006
    Posts
    3,015
    Location
    midwest
    Tractor
    JD 4520, Toolcat 5610, Bobcat S300, Case-IH 125 Pro, Case-IH 245, IH 1086, IH 806

    Default Re: Overheating

    Quote Originally Posted by DEWFPO View Post
    The fan should be running all the times even with a stone cold engine. The hotter the coolant gets, the faster the fan will run (obviously, to a point). If the thermostat is working properly as well as the water pump and there is not an internal blockage (unlikely) and a hose isn't kinked, I would be looking at the cooling fan drive.

    DEWFPO
    I am sure my cooling fan does not run when the engine is cold.

  9. #9
    Platinum Member DEWFPO's Avatar
    Join Date
    Jun 2007
    Posts
    687
    Location
    "High in the Rockies"

    Default Re: Overheating

    Quote Originally Posted by radman1 View Post
    I am sure my cooling fan does not run when the engine is cold.
    And I am sure mine does. It's a 2009 5600D.

    DEWFPO
    2009 Toolcat 5600 "D-Series", Hi-Flow, 29's, 72" SB-200, 84" Snowblade, 62" Lo-Pro Bucket

    SOLD - 2006 MF GC2300, 2350 FEL, 2315 MMM, 2360 SB, KingKutter CarryAll

  10. #10
    Veteran Member SSdoxie's Avatar
    Join Date
    Jun 2010
    Posts
    1,911
    Location
    Cumberland Plateau, TN
    Tractor
    Bobcat CT225

    Default Re: Overheating

    Quote Originally Posted by DEWFPO View Post
    And I am sure mine does. It's a 2009 5600D.

    DEWFPO
    Cooling fan running with cold engine and hydrualic fluid. If it runs at all or at low speed depends on age of machine, or should say version of software update in the controller. When first built they did not run at all, later update had them at full speed when first started then slowed to stop, later version yet changed to have fun run at a minimum speed all the time. All versions are supposed to pick up speed as engine and hydraulic temps increase.
    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.

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