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BoonvilleKid Regular
Joined: 15 Aug 2011 Posts: 120
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Posted: Sun Nov 04, 2012 8:41 pm Post subject: Ground speed too fast on old tractors |
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I spent my youth on older Farmall tractors. I still have four of them, but I also have JD hydrostat tractors. My question is: why was the ground speed of the old tractors set so fast. There are times when I want to just slowly creep but have full throttle for power. I can do that with the hydrostat tractor but sure can't with the SC, the SA and others. Looking back, it would seem that it would have been much better to have at least the 1st gear speed down to just a creep while, at the same time, full throttle/power could have been available. |
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Janicholson Tractor Guru
Joined: 30 Jan 2004 Posts: 18242 Location: St. Cloud, MN
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Posted: Sun Nov 04, 2012 9:00 pm Post subject: Re: Ground speed too fast on old tractors |
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There were no rototillers or slow driven equipment. So gears were adjusted for ground speeds usable for tillage, including cultivation, that could be adjusted with throttle position for very small plants. Some small Farmalls had hydraulic speed attachments to allow very slow speeds for hand transplanting live plants vegetable, and tobacco. Jim |
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Handyman Long Time User
Joined: 04 Jul 1998 Posts: 602 Location: Idaho Falls ID
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Posted: Sun Nov 04, 2012 9:02 pm Post subject: Re: Ground speed too fast on old tractors |
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at the time that these tractors were made slow ground speeds were not as important as they are now. there were no rotory tillers, or snowblowers or other implements that required really slow ground speeds as we now require more and more all the time. |
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Roy in UK Tractor Expert
Joined: 14 Jul 2002 Posts: 1733
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Posted: Sun Nov 04, 2012 10:53 pm Post subject: Re: Ground speed too fast on old tractors |
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Am I allowed to mention The name Ferguson on this forum? ( Ha ha). The Grey Ferguson"s 1st gear was way too fast for operating a Howard rotovator so Howards developed a special reduction gearbox that could be fitted to the tractor for use with that implement. |
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SadFarmall Long Time User
Joined: 17 Jan 2011 Posts: 659 Location: Bullengarook, Victoria, Australia
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Posted: Sun Nov 04, 2012 11:40 pm Post subject: Re: Ground speed too fast on old tractors |
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Here in Australia, many Farmall H and M tractors were fitted with a low first gear. Our AW-7 Diesel had a very low first gear, which was excellent for very heavy work or just inching along when required.
SadFarmall |
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sflem849 Tractor Guru
Joined: 15 Jan 2007 Posts: 5369 Location: SE Wisconsin
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Posted: Mon Nov 05, 2012 3:59 am Post subject: Re: Ground speed too fast on old tractors |
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I am certain your JD hydro tractors are not of the same vintage as the Farmalls you are comparing them to.
Like they said, not much need. |
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Red Dave Tractor Guru
Joined: 28 Nov 2000 Posts: 4864
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Posted: Mon Nov 05, 2012 5:07 am Post subject: Re: Ground speed too fast on old tractors |
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I can see no legitimate comparison between the ground speeds of antique, gear driven, Farmalls to modern, hydrostatic JD's.
If you want to make a legitimate comparison, compare IH Hydro's to JD Hydro's of a similar vintage.
Gear driven and hydro both have advantages and disadvantages. Choose the right tractor for each job. |
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F-Dean Long Time User
Joined: 19 Jun 2001 Posts: 1412
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Posted: Mon Nov 05, 2012 6:12 am Post subject: Re: Ground speed too fast on old tractors |
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I believe that IHC did offer a slower "Picker Gear" in F-20s. |
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Wardner Tractor Guru
Joined: 14 Dec 1999 Posts: 5373 Location: Tewksbury, MA 01876
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Posted: Mon Nov 05, 2012 6:32 am Post subject: Re: Ground speed too fast on old tractors |
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IH and Howard Rotavator had the situation covered. The H and M could also be ordered, or retrofitted, with Low-Low first gear. I have a 504 with the Low-Low first. Perhaps they all came that way. The TA further reduces the speed.
You can build a slow speed '40s and '50s IH tractor using factory parts if you are willing to spend a few bucks |
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Harold Hubbard Regular
Joined: 22 Mar 2009 Posts: 316
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Posted: Mon Nov 05, 2012 6:36 am Post subject: Re: Ground speed too fast on old tractors |
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I guess at the time, everyone wanted to go FASTER than a horse, not slower. |
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CNKS Tractor Guru
Joined: 10 Mar 2002 Posts: 17518
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Posted: Mon Nov 05, 2012 6:59 am Post subject: Re: Ground speed too fast on old tractors |
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Correct, Having driven those tractors in the 50's I agree. Janicholsen and and Handyman are also correct. There was no need for a slower gear. To me 1st was too slow and seldom used except for turning with trailing implements or the occasional hard place the the field. The TA fixed most of that. Hydrostatic is now used for many things -- wasn't needed then. |
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John G. Hasler Long Time User
Joined: 11 Jul 2008 Posts: 522
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Posted: Mon Nov 05, 2012 4:41 pm Post subject: Re: Ground speed too fast on old tractors |
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I have no problem with the forward speeds of my tractors but the reverse is too fast (especially on the 8N). |
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IH fan Long Time User
Joined: 05 Mar 2009 Posts: 1410 Location: Kansas
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Posted: Mon Nov 05, 2012 5:29 pm Post subject: Re: Ground speed too fast on old tractors |
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I remember 1st gear of our JD 60 being almost too slow, until you put it on a chopper in 12' tall silage corn. Low was a lot slower than the Farmalls, but then it had 6 speeds instead of 5 and not as fast in high, so it had a better range until the TA came along. |
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LenNH Regular
Joined: 29 Oct 2007 Posts: 413
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Posted: Mon Nov 05, 2012 6:04 pm Post subject: Re: Ground speed too fast on old tractors |
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Earlier tractors (1920s and somewhat later) were probably designed with two things in mind: belt work and tillage. Three speeds were normal. Second was "plowing gear," at around 3 mph (I have actually seen that expression in old sales literature). Low was probably intended for emergency use in case of serious overload, or maybe for some machines that needed to go slow (but not as slow as some of the modern machines, like tillers). High, usually in the 4 mph range, was almost useless on a steel-wheeled tractor. The engines didn't put out enough power to make up for the loss to the ground through the lugs when pulling the rated load(I estimate about 35% loss on average, by looking at old Nebraska tests). For transport, you could barely stay on a steel-wheeled tractor at 4 mph on a gravel road. Been there many times on my father's 10-20. You ended up throttling way back in second, or running in low full throttle at around 2 mph. All of this is just my view on how tractors were conceived way back then. Ain't got no proof. Road gears did start to appear after rubber tires became common (roughly the mid-thirties), and as one commentator says here, IHC did offer 7-mph high gears for F-20 and F-12 and probably some of the other tractors of that era. Would have been welcome. I spent many an hour roaring along the road at 4 mph on our rubber-tired F-12, hauling loads of grain or hay. That's a mile in 15 minutes! |
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BoonvilleKid Regular
Joined: 15 Aug 2011 Posts: 120
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Posted: Tue Nov 06, 2012 7:21 am Post subject: Re: Ground speed too fast on old tractors |
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I'm not sure everyone understood my post. I still think the range of ground speeds did not adequately cover the range from "very slow" to "faster". I am thinking specifically about SA & SC tractors. I've probably spent as many hours cultivating with a SC as anyone on this post. And, yes, I've cultivated in all, three lower gears. But, 1st gear, for example, was/is entirely too fast for very small plants, even with the shields down to the dirt line. |
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