Pulling Forum - wc vs wd or d17

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wc vs wd or d17

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Category: Other Topics
Forum Name: Pulling Forum
Forum Description: Forum dedicated to Tractor and Garden Pulling
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=57505
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Topic: wc vs wd or d17

Posted By: farmer_rob
Subject: wc vs wd or d17
Date Posted: 27 Sep 2012 at 5:47am

wondering if a wc with 38 tires and 226 as a wd45 /d17 would be any better because of the lower gear ratio of 7:32 compared to wd45 with 13:43 or d17 9:35. realize that the d17 would have the advantage of the high/lo. but the wc can be made alot lighter then the other two mentioned . to be fair thou we would make them the same weight to compare

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if farming was easy everybody would be doing it

Replies:

Posted By: Rod B
Date Posted: 27 Sep 2012 at 6:33am

You're off on your gear ratio thinking. The WC is much faster than the others mentioned. The D17 is the slowest. A WC with 38" rubber is going to take a lot more snot under the hood than a D17 with whe same rubber and weight.

It's going to depend on what weight you want to run, speed limit, track and sled conditions as to which gear ratio will work best.

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Posted By: mlpankey
Date Posted: 28 Sep 2012 at 9:21am

A wd is the best in my opinion. Fast and has straight cut gears.

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people if they don't already know it you can't tell them. quote yogi berra

Posted By: Charlie175
Date Posted: 28 Sep 2012 at 9:48am

WD45, you can make it lighter and use the add on weight to better balance the tractor.

Check club rules as many places have rules stating you can't pull below your shipping weight

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Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD

Posted By: farmer_rob
Date Posted: 07 Oct 2012 at 2:13pm

so i guessing the d17 would make a better puller because of the advantage of having the high/lo. but it gives up the advantage on being able to get into 4000 under class correct?

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if farming was easy everybody would be doing it

Posted By: mlpankey
Date Posted: 07 Oct 2012 at 6:25pm

d17 and wd45 diesel ring gear and pinions are identical ratio.

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people if they don't already know it you can't tell them. quote yogi berra

Posted By: farmer_rob
Date Posted: 07 Oct 2012 at 7:44pm

i know where there is a wd45d for sale but i havent heard run yet.. the guy wants 3000 for it.. it needs some loving but he says it will run if batteries were put in. my big fear is that 230 is tired and likely needs a rebuild. would i be beter off just pulling with it till it blows then put a 226 in it. ill be putting 12.6x38's on it and stripping off all unesscary things.

thanks for your advice

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if farming was easy everybody would be doing it

Posted By: mlpankey
Date Posted: 07 Oct 2012 at 8:30pm

if you already have a wd45 gas you may be cheaper off changing the ring gear and pinion as long as the d17 it comes from is the first series. i have a diesel rear end $ 500 for it complete.

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people if they don't already know it you can't tell them. quote yogi berra

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Posted By: Gary
Date Posted: 09 Oct 2012 at 4:15pm

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