Question about John Deere 420,1020,2010,2020,2510,2520 Tractor Float

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My John Deere 420 is blowing oil into air filter and the air filter housing. Does not seem to have too much oil in it.....what could cause this?

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Posted on Jan 02, 2017

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SOURCE: lawn tractor shuts off after 20 minutes of running

How old is your ? Sounds like ignition problem,If your engine is older you would have points when the points are bad they can stick together and will result in shutdown after unit cools a little it will restart !

Posted on May 09, 2009

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  • 1 Answer

SOURCE: John Deere Gator XUV 2008 oil in gas

I know exactly the problem. I work for a John Deere dealership and have seen this problem before. It is called short-tripping. When a machine is first started, gas does leak into the cylinder and crankcase past the rings--normal--simulates leaving the choke on too long with a carburetor engine.. As the engine temperature rises, the gas in the oil is burned off and there really isn't a problem. When you take short trips or do not let the engine run to get it up to temperature, the gas in the crankcase does not get burned off and will accumulate over time. Make sure the machine is getting up to operating temperature and this could take up to 20 minutes if the ambient air temp is low. Feel free to e-mail at ericf@greensouth.com with further questions

Posted on Dec 16, 2009

  • 468 Answers

SOURCE: i need to rebuild a hydraulic cylinder on a john

You'll have to use a spanner type of wrench and unscrew the end of the cylinder. Once it screws out, the ram will come out, and you will have access to all the seals to replace them.

Posted on Mar 16, 2010

Testimonial: "a spanner wrench is needed but it's not threaded. a snap ring must be removed through a small hole in the side then it slides apart"

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SOURCE: John Deere will not start.

If you have gas running down to the carberator ( take the fuel line off and make sure there is gas running to it or there may be a screen or filter plugged by the tank or on the way to the carb) if there is gas there the problem lies in the carb itself. If you have some mechanical ability you should be all right as it is not rocket science. If you are comfortable with taking the carb apart the first thing i would check is the needle vavle. With the carb apart you will see a big brass looking thing this is the float, right above that is the neddle valve, that is the first place they seem to stick on me. Move the float up and down if the neddle above it doesn't move or sticks there is your problem. Spray it with carb cleaner and see if it moves freely. You may have to dismantle the carb to get it to work freely. If it won't buy a carb kit and install all the new gaskets needle valves and jets ( this is a very good ideal any how) Also make sure any little ports in the carb are open ( in the bottom of the carb there may be tiny little holes that are plugged) find a very small wire to clean them with and also make sure when you are done you can spray carb cleaner thru them. This is why they have a small straw on the can with it ( watch your eyes and wear safety glasses as you never know where it will spray out from) That stuff will dry your skin out fast so don't get it in your eyes and you may want to wear rubber gloves. Also be very careful when putting back together as there are little pieces that like to slide around and fall out or may get bent even worse you don't want them in your motor. Also try to count every screw you turn as these are jets and you will want to put them back to the place they were set at cause it's a pain to get them set right by adjusting them later. Do not force anything putting it back as you may bend the jets or float and you will have to take it apart again and replace them as well. Take your time and be patient and you will be just fine

Posted on May 08, 2010

Testimonial: "thanks...you gave me encouragement to give it a try. I took off the shroud, air cleaner box and couldn't take off the carb as there are no heads on the four bolts that hold it on. Looks like it was designed not to be removed? I took off an inspection plate on top of the carb and cleaned all of the channels and ports within with carb cleaner and compressed air...still no gas flowing thru carb...unless I force with compressed air. Any other thoughts? It is a twin cylinder OHV B/S. Thank you. "

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SOURCE: hydraulic reverser problem with John Deere 1010

ineed to find a hydraulic reverser for a 300D john deere backhoe

Posted on Nov 23, 2010

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1 Answer

Oil Capacity for a 1958 John Deere 420 row crop gasoline tractor.


If there is a way to check the oil Put in oil a little at a time Start a quart at a time till it's filled to where it's suppose to be.I have done that with old cars then write down the amount you put in..

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Hydraulic pump may be sucking air causing oring to blow out.. Air causes problems when mixed with oil under pressure. Check and tighten all fittings and connections to hydraulic pump. Be sure Full of fluid and filter clean.

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I need to clean an air filter for a john deere 55ev chainsaw


just wash filter in petrol and blow of with compressed air , I would also remove spark arrester from exhaust and clean that by burning carbon of then blowing with compressed air , if you chainsaw still runs bad it needs carby serviced and retuned .

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I have a John Deere 420 garden tractor it wont shift from high to low range, also the throttle ramps high to low it sounds like the thing is gonna blow up,I have cleaned the carb what's next?


Check just above the idle fuel mixture screw on the front side of carb and see if the 1/4 inch welch plug blew out of carb.You should see a hole if its blown out of housing,if still there you would barely make out its location,these blow out for 2 reasons,using compressed air to clean carb and a back fire through maniforld.If still have problem I would suspect a split intake manifold near where it goes into block causing an air leak.Both of these are common problems.

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Always a filter but it might be an oil bath type.

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BEEN RUNNING ROUGH WITH LESS POWER THAN BEFORE. NOW WON'T START AT ALL. NEW PLUG, CHANGED OIL AND FILTER, HAS A GOOD SPARK.


1956 420 john deere new plugs, wires,cap,plugs,rotor,points set on 20.condenser good blue fire on points and plugs carb rebuilt BUT want start you can pull off it will start and run

Sep 28, 2009 | John Deere 420,1020,2010,2020,2510,2520...

1 Answer

John deere 420 trouble starting getting gas and


The engine needs air, so be sure the air filter is clean. If it is not, replace it.

The engine needs spark. Replace the spark plug and be sure that the battery has a complete charge.

The engine needs good fuel so be sure the gas is newly purchased, not gas that has been sitting around for months.

May 19, 2009 | John Deere 420,1020,2010,2020,2510,2520...

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