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EdW 
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Joined: 02 Oct 2009
Location: central IL
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 Topic: 917h
Posted: 11 May 2016 at 7:47pm |
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I'm looking at a 917H. Any problems with them to look out for? Looks to be in decent shape
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EdW
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ACmowerguy
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Joined: 20 Apr 2010
Location: Winfield, MO
Points: 1209
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Posted: 11 May 2016 at 8:02pm |
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The large frame Allis and Simplicity garden tractors were a great machine and there are many with lots of life left in them. Still an AC 917 is at least 30 years old so the common wear points could have problems. The rear axle tubes can crack, especially on the RH side. (Of the 25+ units I have had I only had one I knew to be cracked) The bevel gear box could be worn. Rotate the pulley on the RH side of the gear box and if it rotates much before you feel the gears engage then there may be a lot of wear. It should move less than 1/4" at the outside edge of the pulley if everything is still good and tight. Also the engine could still be a Kohler KT17 series I. They ran good on flat ground but were especially undesirable on slopes. If its a series II they are a better engine with pressurized lubrication to the rod journals but still can have an oiling issue with running sideway on a slope.
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10 various B-series garden tractors, AC Homesteader8, 416 hydro,710 gt, 914, 916H, 917H, 920D, and many misc attachments
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ACmowerguy
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Joined: 20 Apr 2010
Location: Winfield, MO
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Posted: 11 May 2016 at 8:11pm |
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Here is a series of videos pertaining to inspecting Allis/Simplicity garden tractors. These are earlier models but most of the principles for the gearbox and rear axle still apply.
https://www.youtube.com/watch?v=_2cwAUP0Gjw
https://www.youtube.com/watch?v=zSjainHre-M
https://www.youtube.com/watch?v=BAivZZsjqnE
The 917 will have a cone clutch PTO instead of the one that hangs beneath the tractor. For this reason you will need to rotate the right side of the gearbox instead of the left as seen in his video.
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10 various B-series garden tractors, AC Homesteader8, 416 hydro,710 gt, 914, 916H, 917H, 920D, and many misc attachments
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EdW
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Joined: 02 Oct 2009
Location: central IL
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Posted: 11 May 2016 at 8:51pm |
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Thanks ACmowerguy, I have always had 300 & 400 series and was unsure about the 17 twin. Would the older KT not have an. Oil filter and the newer one would ?
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EdW
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ACmowerguy
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Joined: 20 Apr 2010
Location: Winfield, MO
Points: 1209
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Posted: 11 May 2016 at 9:22pm |
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They didn't have oil filters on either one in the Allis. Here is another thing you can check to tell the difference:
http://gardentractortalk.com/forums/topic/8661-differences-between-kohler%E2%80%99s-kt17-series-i-and-2-engines/
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10 various B-series garden tractors, AC Homesteader8, 416 hydro,710 gt, 914, 916H, 917H, 920D, and many misc attachments
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Dusty MI
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Joined: 13 Sep 2009
Location: Charlotte, Mi
Points: 5058
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Posted: 06 Nov 2024 at 1:46pm |
I've got a 917 H. the hydro fluid was low, and I added some oil and drove it some, and it started dripping hydro fluid and I drove it back to the shop, by then it was liking a lot more. I figured maybe one of the lines going to the filter and pump was leaking. I had to take all the gears off to get to where the oil lines went to the filter. Then I found soft plug that goes into the side of the hydro had pushed part way out. Anyone else ever had this problem? Can it be fixed? If I just drive the soft plug back in, will stay, or just push back out and leak again? Thanks,
Dusty
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917 H, '48 G, '65 D-10 series III "Allis Express"
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Steve in NJ
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Joined: 12 Sep 2009
Location: Andover, NJ
Points: 11818
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Posted: 07 Nov 2024 at 11:01am |
I would think if you could remove the soft plug without damaging it, put some sealant around the outside edge of it and tap it back in. Once the sealant sets up, it should be good ta' go..... Steve@B&B
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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Dusty MI
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Location: Charlotte, Mi
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Posted: 07 Nov 2024 at 4:08pm |
I've wondered why it pushed part way out? Too much pressure? If so did I add too much oil, or to heavy oil? Dusty
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917 H, '48 G, '65 D-10 series III "Allis Express"
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