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First post my Wd puller project. |
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frnkeore
Silver Level Joined: 07 May 2019 Location: Southern Oregon Points: 362 |
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Posted: 08 Jun 2019 at 1:37pm |
I've done some research in the Firestone and Goodyear catalogs and came up with these number for Sq In.
Some are more and some are less than the NATPA numbers. I can only assume that the NATPA number are the deciding numbers, for what your allowed, for tire size. In that case a larger foot print listed for g & f would be advantageous. The 15.5 x 38, 175, is Goodyear and the 18.4 x 34, 291, is Firestone. Edited by frnkeore - 08 Jun 2019 at 1:46pm |
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Frank
1959 D17 Series I #24001+, '59 D14 '55 & '59 Ford 850 & 861 Ferguson TO 35 Deluxe, Oliver 70 and 5 more. |
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CAL(KS)
Orange Level Joined: 18 Sep 2009 Location: Chapman, KS Points: 3716 |
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track conditions play a role and opinions will vary. I think you will find a majority of pullers will run a taller narrow tire as opposed to a short fat tire. i have been told that a short fat tire will "float" and spin sooner than a tall and narrow one, but whether there are facts to back this up who knows? perhaps there is some science to explain the advantages to the footprint being parallel or perpendicular to the travel of the tractor. lots of factors in the winning equation. i havnt done enough pulling to really have an opinion other than i sized my tires to provide the largest footprint i can run and allow me to keep the engine near its rated speed for the class mph.
Edited by CAL(KS) - 06 Jun 2019 at 7:48am |
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15 |
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frnkeore
Silver Level Joined: 07 May 2019 Location: Southern Oregon Points: 362 |
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I did some looking around today and found the 16.9 x 24, listed at 196. Are they used much?
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Frank
1959 D17 Series I #24001+, '59 D14 '55 & '59 Ford 850 & 861 Ferguson TO 35 Deluxe, Oliver 70 and 5 more. |
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bradley6874
Orange Level Joined: 05 Sep 2010 Location: salisbury md Points: 1344 |
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14.9 28 are 183 that’s as big as you can legally go with 28 18.4-26 are 242 15.5 38 are 200 that’s why you see everybody using them
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You can wash the dirt off the body but you can’t wash the farmer out of the heart and soul
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frnkeore
Silver Level Joined: 07 May 2019 Location: Southern Oregon Points: 362 |
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Thank you again, I saved it and will look it over, later
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Frank
1959 D17 Series I #24001+, '59 D14 '55 & '59 Ford 850 & 861 Ferguson TO 35 Deluxe, Oliver 70 and 5 more. |
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CAL(KS)
Orange Level Joined: 18 Sep 2009 Location: Chapman, KS Points: 3716 |
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could be a typo i copied and pasted from natpa site.
found the 18.4 x 26 here. you have to go down to bias tire pg 31 it lists others as well. 15.5 x38 shows 189 here |
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15 |
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frnkeore
Silver Level Joined: 07 May 2019 Location: Southern Oregon Points: 362 |
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Thank you, very much, Cal. I agree that puts me out any class that I want to pull in.
Are there typo's in that chart? It's lists 18. x 28 at 126 Sq In and 15.5 x 38 at 189 Sq In. Also, i don't see 16.9 x 28 listed. That's what I have now. Do you have a link to the Firestone chart? Edited by frnkeore - 05 Jun 2019 at 12:41pm |
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Frank
1959 D17 Series I #24001+, '59 D14 '55 & '59 Ford 850 & 861 Ferguson TO 35 Deluxe, Oliver 70 and 5 more. |
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CAL(KS)
Orange Level Joined: 18 Sep 2009 Location: Chapman, KS Points: 3716 |
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this is what natpa uses
0-4500# class 200 sq. in. 4501-6500# class 229 sq. in. 6501-9500# class 300 sq. in. 11.2 x 38 – 120 sq. in. 12.4 x 38 – 140 sq. in. 13.6 x 38 – 168 sq. in. 11.2 x 36 – 115 sq. in. 12.4 x 36 – 135 sq. in. 14.9 x 28 – 170 sq. in. 18. 4 x 28 – 126 sq. in. 13.6 x 28 – 145 sq. in. 13.6 x 24 – 130 sq. in. 14.9 x 26 – 144 sq. in. 14.9 x 38 – 200 sq. in. 18.4 x 34 – 284 sq. in. 18.4 x 38 – 300 sq. in. 15.5 x 38 – 189 sq. in. 16.9 x 38 – 252 sq. in. 16.9 x 34 – 229 sq. in. 18.4 x 28 – 250 sq. in. after some searching 18.4 x 26 bias tire is listed at 242 sq. in. by firestone so if your pull is using natpa rules your D17 could only pull @ 6501+ lbs!!!! not where you want to be Edited by CAL(KS) - 05 Jun 2019 at 12:24pm |
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15 |
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frnkeore
Silver Level Joined: 07 May 2019 Location: Southern Oregon Points: 362 |
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This is a very interesting thread! I can't see them either but, I would love to see the pictures, also.
I have a question for those that know the rules well. How is the tire area calculated. I have a set of 18.4 x 26 tires that I want to put on my D17, for next year. |
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Frank
1959 D17 Series I #24001+, '59 D14 '55 & '59 Ford 850 & 861 Ferguson TO 35 Deluxe, Oliver 70 and 5 more. |
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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I cant either. I wish this forum was easier to post pics on.
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CAL(KS)
Orange Level Joined: 18 Sep 2009 Location: Chapman, KS Points: 3716 |
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I cant see your pictures anymore.
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15 |
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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Made a lot of progress this winter. We built a lightweight center section (replaced the hand clutch housing).
Swapped out the steering shaft. Widened a set of 28" wheels and built an adjustable Hitch. |
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mjbower
Silver Level Joined: 04 Oct 2009 Location: Michigan Points: 255 |
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Praying for spring but not even ready for it. We have been lucky here in Michigan winter has been gentle. got wheels to build and tires to cut plenty to do. Hope everyone else is surviving.
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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How's everyone doing. Back at it this winter.
Stripping more weight. |
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mjbower
Silver Level Joined: 04 Oct 2009 Location: Michigan Points: 255 |
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Yah me to keep pictures coming and keep the pit crew (the boys) around to your lucky to have them involved. Good luck
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Sugarmaker
Orange Level Joined: 12 Jul 2013 Location: Albion PA Points: 8166 |
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For some reason I cant get to your pictures???
Sounds like you have done a lot to get this pulling better each year. Have family fun with it! Regards, Chris
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D17 1958 (NFE), WD45 1954 (NFE), WD 1952 (NFE), WD 1950 (WFE), Allis F-40 forklift, Allis CA, Allis D14, Ford Jubilee, Many IH Cub Cadets, 32 Ford Dump, 65 Comet.
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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Well unfortunately I didn't get a lot of work done on the Allis this winter. I pulled the motor and re sealed most everything. Got it all back together and am not chaising some coolant leaks. I will be running the same tires as last year. Should be fun either way
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JayIN
Orange Level Joined: 18 Dec 2009 Location: SE/IN Points: 1982 |
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Keep up the good work.and keep us posted! Go Orange!!!
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sometimes I walk out to my shop and look around and think "Who's the idiot that owns this place?"
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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Thanks for the response. Progress has slowed up for a bit. I am working 6 days a week and having some family Heath issues so free time is a premium. I don't know if tires are going to happen this winter or not but it's ok either way. She will pull next summer regardless.
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LeonR2013
Orange Level Joined: 01 Jan 2013 Location: Fulton, Mo Points: 3500 |
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While you're practicing with your tires see if you can find some used ones at a tractor tire store or better yet see if you can find some on this forum, while they may be weather cracked some you're not taking a chance of buying the wrong tire and sinking a bunch of money in something that isn't going to work for you. Those two boys of yours look like they're having a blast. You'll win more with them than you will with the tractor I'm afraid.
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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Thanks for the info.
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CAL(KS)
Orange Level Joined: 18 Sep 2009 Location: Chapman, KS Points: 3716 |
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Depends on the rules where you pull and what classes/Divisions. NATPA DivII is 170 sq inches of tire or less on 4500# and down which is 13.6 x38 (168) or 14.9 x 28 (170) 4500#-6500# max sq inch is 229. I run 5000# + with the UC and have 16.9x34 (229) Div III is 18.4x 38 max tire size My club uses NATPA rules.
Edited by CAL(KS) - 16 Nov 2017 at 7:56am |
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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20
Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15 |
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UglyAllis
Silver Level Joined: 01 Jun 2017 Location: New york Points: 53 |
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Thanks. We will be There it again soon once the bad weather sets in
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ac720nut
Orange Level Joined: 09 Feb 2016 Location: Dexter Mi Points: 1217 |
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Enjoyed your build, great to be able to include the boys
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