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| Ag. Engineer
05-03-2001 07:43:07
63.27.178.11
1777
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Sat and lurked for sometime on the pulling power and what is the best tractor topics.
I have never heard so much bull put on the rubber boots boys.
I have a 4020 JD (around 94 HP) a friend has a 1486 IH (around 145) and guess which one pulled a root plow better by looking at the HP 1486 should win hands down but this was not the case for a number of reasons 4020 is ballasted properly tire pressure was around 12 psi the 1486 had no weights and the fellow was running 24 psi tire pressure. This is just an example of some things affecting pulling power and eco. HP. in this case is not important both tractors had enough the 4020 just got it to the ground and the 1486 could not.
These are both old tractors and not what is used to farm today but it does make a point.
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| JDwrencher
05-05-2001 18:01:38
208.14.222.45
1798
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Re: Comparing Tractors in reply to Ag. Engineer, 05-03-2001 07:43:07
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| The three biggest things that people don't understand are percent of slip, weight ratio front/rear axels, and tire pressure. One farmer in our area rented an 8100 and 8400. he was very disappointed when the 81 out pulled the 84. Went out to take a look and the 84 had ten more psi in each tire than the 81, and all the weight was on the back wheels none on the front, once we adjusted weight and tire psi the 84 smoked the 81 like it should have, just goes to show what happens when a tractor is adjusted properly and wheel slip is used
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| Scott B
05-09-2001 06:34:07
131.118.54.97
1838
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Re: Re: Comparing Tractors in reply to JDwrencher, 05-05-2001 18:01:38
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| How do you determine all those different factors? I would guess the tire psi you used is a little different then the recommended amount on the side of the tire
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| Ag. Engineer
05-09-2001 12:03:48
63.232.125.147
1843
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Re: Re: Re: Comparing Tractors in reply to Scott B, 05-09-2001 06:34:07
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| The tire pressure that is stated on the side of the tire is load cap. not usually a factor. Most of the time the tire pressure should be alot lower, high of tire pressure hurts in a few ways causes more slip and increases soil compaction, low tire pressure can also eat up your tires if the side walls wrinkle to much.
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| JOE
05-03-2001 13:06:40
209.240.220.187
1784
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Re: Comparing Tractors in reply to Ag. Engineer, 05-03-2001 07:43:07
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You are right, If tractor is set up right
it makes big diffrence. But i know a guy who has a big old 5020 JD very powerful
tractor but when the fields are moist
at all he will get stuck real easy because it is so heavy. But he can
take his 4010 JD threw it all day an
will not spin a tire. An 5020 has 30
more horses then the 4010.
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| Ag. Engineer
05-03-2001 19:15:00
63.27.178.147
1786
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Re: Re: Comparing Tractors in reply to JOE, 05-03-2001 13:06:40
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| Joe
As I said if the tractor is set up right for the conditions many funny things can happen
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