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Discussion Forum

Series 3,4 etc D17

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04-22-2002 08:19:36

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In viewing ads for D17 & D19 diesels, I'm seeing references to "series 3" or "series 4"...Can someone briefly explain the term or provide a site URL that explains this reference? Are certain series better; should some be avoided?? Thanks in advance,


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Brian Ahart (MO)

04-24-2002 09:16:07

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 Re: series 3,4 etc D17 in reply to kevin, 04-22-2002 08:19:36  

Here is a summary of one of my previous posts:

1957-60: Series I (orange wheels, orange diamond-mesh grille, round muffler, grille-mounted headlights, oval model decals on side panels; 1959+ models had 3-bar black grille and slightly different decals)

1960-62: Series II (white wheels, white square-mesh grille, round muffler, metal hood decals, square model decal on lower half of gas tank, still had grille-mounted headlights I believe)

1962-64: Series III (white wheels, white square-mesh grille, oval muffler, full-length white hood decals, fender-mounted headlights, mechanical updates, engine updates)

1964-67: Series IV (same appearance as Series III, major mechanical updates such as gear driven hydraulic pump mounted where belt pulley used to be, provided for full-time live dual hydraulics whenever engine was running; Category II 3-point hitch option; external rams on rear lift arms)

These are the major highlights. I am recalling this from memory, so there may be a few things missing. The D19 was produced from 1961 to 1964 - no series designation. The D17 diesel used the 262 diesel throughout production (1957-67), although various design improvements were made to this engine in later models. Ditto on D19. The additional HP of the D19 diesel (66 HP vs. 52 HP on the D17 diesel) was obtained by turbocharging the 262 diesel in the D19. The 262 gas in the D19G achieved 71 HP.

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Dave Grubb

04-22-2002 12:49:13

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 Re: series 3,4 etc D17 in reply to kevin, 04-22-2002 08:19:36  
The D17 IV also had the lower pressure higher volume hydraulic system. This makes compatible with all of todays hydraulic cylinders and hydraulic equipment.

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Tom Yas

04-22-2002 09:18:42

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 Re: series 3,4 etc D17 in reply to kevin, 04-22-2002 08:19:36  
The series numbers marked the progressive variations of the tractors. The series IV D17 was
the last version made for that model. It had
true live hydraulics and PTO, wheras the previous models did not have true live hydraulics. It was
the only version that also had an optional 3-pt
hitch, the others just sanp coupler. If You want a D17, go for the Series IV if possible

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04-23-2002 21:58:13

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 Re: Re: series 3,4 etc D17 in reply to Tom Yas, 04-22-2002 09:18:42  
Series one, two and three had live hydraulics. Series four had independent hydraulics.

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04-22-2002 20:31:33

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 Re: Re: series 3,4 etc D17 in reply to Tom Yas, 04-22-2002 09:18:42  
Thanks Tom & Dave for the info. Now I'll know what to ask for. Is it a safe assumption that the owners/sellers of a D17 or D19 would know that info?

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Dave Grubb

04-23-2002 06:11:14

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 Re: Re: Re: series 3,4 etc D17 in reply to kevin, 04-22-2002 20:31:33  
Don't count on it. Sometimes people remember things differently. A D17 IV will have a hydraulic pump mounted on the right side where you would normally find the belt pulley mounted. There might be some decals left on the tractor that indicate its model. The series IV said so on the side of the hood near the drivers seat.

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04-23-2002 07:18:25

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 Re: Re: Re: Re: series 3,4 etc D17 in reply to Dave Grubb, 04-23-2002 06:11:14  

Thanks again for the response. Is there any posted info that provides a detailed summary of the various D17/19 series--like what improvements each one brought and what year models have them?
If I could get that info, then I'll know more about what to look for. The obvious answer is to go for the '64 model--isn't this the last year of the D17/19's with the 262 cu. in. diesel?

Another concern I have about the AC tractors--my Nebraska Test Lab book (1950-1975 tractor test results) indicates that all pre '67 AC tractors used what was called a "snap coupler" instead of a standard 3 Pt hitch. If I get one of these D models, is it a major job to convert to a standard 3 pt hitch? I believe all my implements are cat III.

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Brian Ahart (MO)

04-24-2002 09:26:24

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 Re: Re: Re: Re: Re: series 3,4 etc D17 in reply to kevin, 04-23-2002 07:18:25  
Kevin, please see my post above. Three-point hitch was an option on the D19 (1961-64), D17 Series IV (1964-67), D15 Series II (not sure about Series I), and D10/12 Series II and III (c. '62 through 1968). I have a '68 D12 Series III with factory three-point hitch.


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04-24-2002 09:34:42

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 Re: Re: Re: Re: Re: Re: series 3,4 etc D17 in reply to Brian Ahart (MO), 04-24-2002 09:26:24  

Thanks for the tech info--that'll help alot. I'll check out your site as well.

To Dave: I ordered the AC book by Norm Swinford on Monday. Looking forward to much reading.

I'm still trying to run down a diesel D17 or 19. Found a decent price on a gas D17, but I'm still considering it.

Thanks for the help.


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Dave Grubb

04-23-2002 07:37:06

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 Re: Re: Re: Re: Re: series 3,4 etc D17 in reply to kevin, 04-23-2002 07:18:25  
I don't have my book at hand that was written by Norm Swinford to answer your latest question. If you can get a copy it will answer any question you have about the tractor differences. Since you said all of your equipment is 3 point you probably should step up to a 170. It is almost the same size as a D17/D19 and was the D17 series replacement. It has the same engine as a D17. It is a 3 point hitch only tractor. If you are not going to have a hobby of collecting snap coupler equipment this would be a better choice. You can get snap coupler-to-3 point hitch adapters for snap coupler tractors that will work just fine. They are around $400 I think. I have 2 pieces of 3 point equipment and have an adapter on each piece, all of my other equipment is snap coupler.

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