[AT] 318 Float

Steve W. swilliams268 at frontier.com
Tue May 14 09:27:42 PDT 2013


Charlie V wrote:
> Just to confuse the issue a little more (my specialty) I have a 316 which
> is a 1978 model.  It is an early one with the one cylinder, 16HP Kohler
> engine.  The later 316's went to the twin cylinder engines.  Mine has two
> Hyd. spools, one to raise and lower the deck and to a front outlet for the
> power angle of the snowplow, the other to front hydraulic outlets for the
> power for the lift of the snowplow.  This last one only has a float
> position  when the lever is set full forward.  Also available accordingly
> to the book was a third spool, probably to gain rear hydraulic which mine
> does not have.
> 
> Charlie V.
> 
> 
> On Tue, May 14, 2013 at 10:05 AM, Gunnells, Bradley R <
> brad-gunnells at uiowa.edu> wrote:
> 
>> I'm not 100% positive but I believe the 317 was an earlier model that more
>> or less got upgraded to the 318 when they switched from the Kohler engine
>> to the Onan.
>>
>> My assumption would be that the 317 hydraulics may not have had the float
>> if the early 318 didn't. Dad and I both owned a 317 but it's been so long
>> ago I don't recall if ours did or not.
>>
>> As mentioned, keep an eye out for a donor machine and it shouldn't be hard
>> to add.
>>
>> Brad
>>
>> On May 14, 2013, at 6:51 AM, Richard Fink Sr <rfinksr at verizon.net> wrote:
>>
>>> Dennis i don,t know what year my 318 is i think late 80s. good luck with
>>> finding the parts, if the 317 has same set up they maybe easer to find as
>>> they had an engine flaw that took out a lot of them.I had one but don,t
>>> recall anything about system did not use it much.
>>> R Fink
>>> PA
>>>
>>>
>>> ----- Original Message -----
>>> From: "Dennis Johnson," <moscowengnr at yahoo.com>
>>> To: <at at lists.antique-tractor.com>
>>> Sent: Monday, May 13, 2013 9:17 PM
>>> Subject: [AT] 318 Float
>>>
>>>
>>>> Richard,
>>>>
>>>> My understand is that the "real old" JD 318 units produced the first few
>>>> years do not have float, and later production had the float feature
>> added.
>>>> I think I have some JD schematics and manuals that show or describe the
>>>> differences.
>>>> I would like to find a way to either upgrade this system, or add a
>>>> auxiliary float circuit, but need to check cost, availability, etc. if I
>>>> could find an inexpensive "not as old" donor 318 and change out parts it
>>>> would be good.
>>>> I also need to figure out "float" on my H 1502 Bolens. I have not found
>> a
>>>> "float" position on the 3 point on it, which limits its usefulness.
>>>>
>>>> Thanks
>>>> Dennis
>>>>
>>>>
>>>> Sent from my iPad


300 series

300 - 1975 - 77 Kohler 16 hp single
312 - 1977,78 Kohler 12 hp single
316 - 1978 only model Kohler 16 hp single.

314 - 1979 - 1983 Kohler 14 hp single
317 - 1979 - 1983 Kohler 17 hp flat twin (JD developed a conversion to 
an Onan p218G due to the numerous engine problems with the KT17 engine)

New Design-

318 - 1983 - 1992 18hp Onan
316 - 1984 - 1991 18hp Onan but no power steering and single spool hyd.
330 - 1986 - 1988 16 hp 3 cyl. Yanmar Diesel
332 - 1988 - 1992 16 hp 3 cyl. Yanmar Diesel
322 - 1988 - 1992 18 hp 3 cyl. Yanmar Gas



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