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rpeeps 
Bronze Level
Joined: 05 Mar 2015
Location: Mich
Points: 6
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 Topic: HD4 won,t move
Posted: 05 Mar 2015 at 4:57pm |
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Hello every body I'm new at this. I have a 1975 HD4 dozer, the dozer worked great all summer, but when to use it this winter it moved about 100 ft and started to slow down and then stopped no forward and no reverse. The next day it moved about 100ft and started to slow down and stopped moving again. The trans fluid is over full now, could the filter be plugged or is there some other place I should look ? Thanks for any help !
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DiyDave
Orange Level Access
Joined: 11 Sep 2009
Location: Gambrills, MD
Points: 53817
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Posted: 05 Mar 2015 at 5:43pm |
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Could have a chunk of ice in it, somewhere, might be time for a fluid change...
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Coke-in-MN
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Joined: 12 Sep 2009
Location: Afton MN
Points: 41947
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Posted: 05 Mar 2015 at 6:22pm |
check fluid with engine running , is there a slow down of engine from neutral to in gauged movement of control / Could be filter or low fluid or failure of clutch pack . need to do pressure test if
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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rpeeps
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Joined: 05 Mar 2015
Location: Mich
Points: 6
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Posted: 05 Mar 2015 at 6:53pm |
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Thanks, I will have to wait till it gets warm out, temp is around 25 degrees
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rpeeps
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Joined: 05 Mar 2015
Location: Mich
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Posted: 14 Mar 2015 at 11:45am |
Coke, there is no slow down of motor in gear , its like it is neutral .The fluid in the torque converter does not change on the dip stick . The fluid level on the dip stick just stays on the mark that says after 6 hour of running, this is with motor running and motor not running. The temp here has been in the 40s to 50s for four days now, if there was any ice I would think it should be melted.
I thank every one for the help !
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Coke-in-MN
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Joined: 12 Sep 2009
Location: Afton MN
Points: 41947
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Posted: 14 Mar 2015 at 11:56am |
Time to find the manual and start pressure checks - either torque converter is not working or clutch pack isn't .
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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rpeeps
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Joined: 05 Mar 2015
Location: Mich
Points: 6
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Posted: 14 Mar 2015 at 8:04pm |
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Thanks Coke, Time to start shopping for manual.
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John Price
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Joined: 11 Jun 2013
Location: Virginia
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Posted: 14 Mar 2015 at 9:45pm |
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The clutch pack inspection is easy. You have to remove several things.... the seat and the cover plates..... but you can start the machine and observe what's going on. This will narrow your search for the issue. Good Luck.
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rpeeps
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Location: Mich
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Posted: 17 Mar 2015 at 11:54am |
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Does any one where to find the serial number for this HD 4 dozer, was told it's a 1975 year
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Coke-in-MN
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Joined: 12 Sep 2009
Location: Afton MN
Points: 41947
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Posted: 17 Mar 2015 at 1:07pm |
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look on the front left of main frame up front - heavy iron just below the grill guard (nose piece) of machine .
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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."
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Randaleky
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Joined: 17 Aug 2011
Location: belfry, ky.
Points: 427
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Posted: 17 Mar 2015 at 1:13pm |
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I have an hd4 dozer and loader and both of the serial #s are located on the flat spot of the torque housing where it bolts to the back of engine on the oil filter side. i never could find anything at the front grill. just saying that is where mine were and my two units are 1965 and 66 years.
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orangeman
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Joined: 12 Sep 2009
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Posted: 17 Mar 2015 at 4:54pm |
RPeeps - Consider jacking up the machine - block safely to support the dead load. Pull covers from final so as to observe the operation of the clutch pack.
May need a second person to engage and disengage the steer clutch while one observes. In close, be careful and work safely...
HTH's....Orangeman
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