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heat problems

R

rfridy76

Member
MY D 14 I always thought it run hotter than it should,about 200 or 210 in summer bush hogging.ALWAYS HEARD THEY HAD A HEAT PROBLEM,I have always thought the problem was the problem temp gauge tube was in the left rear corner of the head next to the exhaust port.Could a person redrill a hole in the front of the head and tap it out for that.I think the changed the location on the d15.They say it is a 20 to 30 degree in front location,i know the only difference will in the mind.It just bugs for an engine to run over 200.
 
Does it have a thermostat in it. Not having one or one stuck open can cause it to run in that temperature range
 
I do brush-hogging by hour in the heat of summer with my D14. I have no over heating issues. I would highly suggest you flush the block and the radiator. A clogged cooling system varies from tractor to tractor but after I saw my "B" block inside it was extremely clogged and there is no way an engine like that can cool properly even if you'd have a new radiator.
 
200 is an ok temp. The old engines that ran on "tractor fuel" had to be at about that. My AC manual for the Allis WD says to run them that warm before switching over to tractor fuel. With antifreeze it will not boil until a lot hotter than that especially if you are running any sort of pressure cap. I wouldn't want much more than 200 I agree, but I wouldn't be too worried if it stays at 200.
 
First off take the radiator off and flush it out and make sure its clean inside and out,then flush the engine a lot to get out any mud and such in the block.The install a new thermostat.Also makes sure the fan is turning like it should those small belts slip easily.No reason a D14 should be overheating bush hogging.
 

About the ONLY way to CLEAN the inside water jacket area is to take a couple "Freeze Plugs" out and then prod and flush the crud loose..
"
Make sure you do not have the "HOT Thermostat in it. See if you can get one with a lower temp...NAPA will be able to match it up..

Always test a thermostat in Hot water with a thermometer, to know when it does start to open..

With a GOOD water temp gauge, you can see when the thermostat opens each and every time it opens..( the water temp drops about 20 degrees).
 
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