[AT] Kubota M5700 noise

[Cecil Bearden]

How many hours?  What oil are you running? I have had Perkins that 
sounded very similar and they ran forever...
Cecil

On 4/4/2020 5:24 PM, Ken Knierim wrote:
> Can you swap injectors and see if the noise follows the injector? Or 
> crack the injector fitting while its running and see if you can narrow 
> it down, like pulling a plug wire?
>
> Ken in AZ
>
> On Sat, Apr 4, 2020 at 2:53 PM Jason <dejoodster at gmail.com 
> <mailto:dejoodster at gmail.com>> wrote:
>
>     I would pull the injector on the bad cylinder at least and have
>     the pump shop check it.
>
>     Jason
>
>     On Sat, Apr 4, 2020, 3:43 PM Dave Maynard
>     <dave at themaplehillfarm.com <mailto:dave at themaplehillfarm.com>> wrote:
>
>              I have listened with my stethoscope and it sounds like
>         the rear of the engine, probably cylinder #5. My farmer
>         neighbor listened with a long socket extension and he thinks
>         it's more forward maybe #2 or #3.
>              The pump was taken to D&W Diesel and tested and they say
>         all is good with it. I dont know how to check pump timing, or
>         what could make it change. And if so, why only one cylinder?
>         All the pump cam lobes showed no wear and looked good.
>
>         Still stumped.
>         Dave Maynard
>
>         On Sat, Apr 4, 2020, 3:52 PM Moe Fretz <tubetester at gmail.com
>         <mailto:tubetester at gmail.com>> wrote:
>
>             typical noisy Kubota diesel.
>             Possibly injection pump timing.
>
>
>             $-------&
>             Moe Fretz
>
>             L'Orignal
>             Ontario, Canada
>
>
>             On Sat, Apr 4, 2020 at 3:10 PM Dave Maynard
>             <dave at themaplehillfarm.com
>             <mailto:dave at themaplehillfarm.com>> wrote:
>
>                 Hi everyone, got my 1st non antique non red tractor
>                 this summer. Kubota 62 horse 4wd. Nice shape overall
>                 and a good price. However it makes a noise that seller
>                 said dealer told him it was a lifter adjustment, but
>                 it turns out not so. We have had this engine apart
>                 several times and cant find anything wrong, bearings
>                 are all good, no broken rings, out of spec bores,
>                 pistons all good.
>                 At odds trying to figure this out, and dont want to
>                 destroy this engine by running it too much. Just
>                 yesterday, replaced all the injectors and cups with
>                 new as the sound is like a bad injector, but to no
>                 avail, noise is still there. The engine is an F2803 5
>                 cylinder which seems to be not as common as most.
>                 Does anyone know of any
>                 Reputable dealers for used engines?
>                      I have attached a link to video where you can
>                 hear the noise. Any and all suggestions and comments
>                 welcome.
>
>                 https://youtu.be/pMxOofbbJOA
>
>
>                 Thanks guys,
>                 Dave Maynard
>                 The Maple Hill Farm
>                 Marion, NY
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