[AJD] Two Cylinder JD's and Power Driven Equipment

[Jim Showers]

I would hazard a guess the single cylinder Oil Pulls had a very heavy 
flywheel which would tend to smooth out the power pulses of the engine.
Jim Showers

----- Original Message ----- 
From: "Keith Kinney" <kkinney at herculesengines.com>
To: "Antique John Deere mailing list" 
<antique-johndeere at lists.antique-tractor.com>
Sent: Tuesday, February 05, 2008 10:49 PM
Subject: Re: [AJD] Two Cylinder JD's and Power Driven Equipment


> Don't the Oilpulls fire hit, miss, hit, miss, where the John Deere
> fire hit, hit, miss, miss giving the Oil Pull's a smother run?  Don't
> have any answer for the single cylinders.
> Keith
>
>
> On Feb 5, 2008, at 10:17 PM, D. Schuyler wrote:
>
>> Well Keith I am not sure about that ? As one of the best tractors for
>> sawmills was the Rumely heavyweight Oilpull, the later ones were two
>> cyl the
>> early ones were single cyl.
>> Of course years later they went to more cylinders. But you sure see
>> a lot of
>> heavyweight oilpulls on sawmills.
>> Dee
>>
>> ----- Original Message -----
>> From: "Keith Kinney" <kkinney at herculesengines.com>
>> To: "Antique John Deere mailing list"
>> <antique-johndeere at lists.antique-tractor.com>
>> Sent: Tuesday, February 05, 2008 7:05 PM
>> Subject: Re: [AJD] Two Cylinder JD's and Power Driven Equipment
>>
>>
>>> I remember talking with the old timers in our area back in the
>>> mid-70's. They claimed you should never run a sawmill with a two
>>> cylinder John Deere because for the reasons you mentioned.
>>> Keith
>>>
>>>
>>> On Feb 5, 2008, at 8:04 PM, Duane Ledford wrote:
>>>
>>>>
>>>> Thought I would ask you folks what your opinion and knowledge is
>>>> about this.  Have
>>>> ran across several individuals who claim that if you use any type of
>>>> PTO driven or
>>>> belt driven equipment on a two cylinder JD, that the bearings of the
>>>> equipment will
>>>> be ruined.  Their reasoning is that the uneven firing of the two
>>>> cylinder engine
>>>> pounds on the bearings, universal joints, etc.  I might be able to
>>>> see this if you
>>>> were lugging the tractor for an extended time.  But if this is true,
>>>> wouldnt every
>>>> bearing in the tractor be subject to this pounding, therefore need
>>>> frequent
>>>> replacing?  Bearings wear out, but I really haven't seen any more
>>>> frequency in JD's
>>>> bearings needing replaced over any other brand.  Has anyone done or
>>>> heard of a
>>>> study of this "rural myth?"  Would be interesting to see measured
>>>> results of the
>>>> differences in stress on equipment between the pulsing  two cylinder
>>>> engines over
>>>> the smoother running four and six cylinder ones.  What has been your
>>>> experience?
>>>> What do you think?
>>>>
>>>>
>>>>
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>>>>
>>>
>>> Keith Kinney
>>> kkinney at herculesengines.com
>>> WWW.HerculesEngines.com
>>>
>>>
>>>
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>>
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>
> Keith Kinney
> kkinney at herculesengines.com
> WWW.HerculesEngines.com
>
>
>
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