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how much motor

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allispuller View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Topic: how much motor
    Posted: 27 Dec 2014 at 4:05pm
How much motor would a guy need to turn 13.6x38 tires on a wd45 with the standard ring and pinion in a 5500 lb class in 1st gear without snuffing it

Edited by allispuller - 27 Dec 2014 at 4:23pm
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DrAllis View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 4:58pm
Here's some variables to think about......13.6 x 38 bald tires take less HP than tires that are 50% tread and CUT........16 inch high drawbar takes less HP than a 20 inch high drawbar...... an NTPA certified 35,000 lb sled pulls harder than an Antique sled that weighs 6,000 lbs.........a damp clay track takes less HP than a sand dry track or hard racetrack. Now, how much HP do you have now and what tires are you currently using??
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Post Options Post Options   Thanks (1) Thanks(1)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 4:59pm
Correction....damp clay track takes MORE HP than a dry sandy track....
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 5:12pm
Not sure on hp never put it on a dyno but i have 312 ci d17 motor at 10.5 to 1 compression running 2100 rpms and i have 16.9-26 on right now
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XT in pa View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote XT in pa Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 5:34pm
With what you have I think you'll need more tire than 13.6x38's.maybe 15.5 or 16.9x38's

Edited by XT in pa - 27 Dec 2014 at 5:35pm
190XT,D17and 7045
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 6:02pm
I just was worried about snuffin it cause i dont want to put the diesel rear in it if i dont have too
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 6:02pm
And how heavy do you weight it for with those tires??
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 6:15pm
I mainly pull 4000-5500 a couple tractor shows i go too make me pull in the 6500 3 plow classe but it on an antique sled
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 6:30pm
I knew a guy years ago, that pulled a Super 77 Oliver. He had 13.6 x 38 Firestone F-151 rear tires that were cut and only had about 3/8" inch tall lugs max. He had them on wide rims, like 15 or 16 inches wide I'd guess. The point is, I've seen him weight that tractor up to 9,000 pounds before and never kill the engine in 1st gear. His engine was relatively stock. You could have farmed with it. 60 HP max. His secret was the tires would finally spin out before the engine ever quit due to the wide rims fattening out the body of the tire to float on the dirt and the lugs being short, so they never could get a deep bite of the dirt. He won many pulls and beat a lot of higher HP tractors with the Oliver and it was all the tires, good weighting front/rear and a smart driver.
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allispuller View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 6:39pm
So do you guys think i will be fine with stepping up to tge tall rubber with out changing rearends?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 7:04pm
I don't know why you wouldn't at least TRY IT.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bradley6874 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 9:14pm
Oops

Edited by bradley6874 - 27 Dec 2014 at 9:15pm
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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Post Options Post Options   Thanks (0) Thanks(0)   Quote bradley6874 Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 9:15pm
How fast are you pulling and what rear do you have now WD wd45 also what gear are you pulling in now
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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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 9:31pm
I pull mainly 3.5 mph classes i just kinda wanted to get some other peoples opinions first before i went to the work of building a new hitch and wheelie bar set up to find out after the first time that it wasnt gonna work also im running a standard wd45 rearend
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 27 Dec 2014 at 9:58pm
Well designed drawbars and wheelie bars can accommodate the differing tire heights.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Juiceman Quote  Post ReplyReply Direct Link To This Post Posted: 28 Dec 2014 at 12:29pm
You should be fine. We went to the diesel reared and regret it for 3.5 mph. We are only 298ci with 15.5s and it has only died once in 1st gear. 6500lbs pulling a full size drop sled.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 28 Dec 2014 at 1:48pm
Ive heard people have regreted changing rearends and i didnt wantto if i didnt have to and end up regretting it
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 56allis_msu Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2015 at 9:37pm
Diesel rear end made my 45 a totally different tractor. Before the swap it died every time. Now I spin the tires 80% of the time. Pulling 1st gear 4mph. Tired are worn 16.9x38 uncuts
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2015 at 9:40pm
If you go from 16.9x26 to 13.6x38 you will need more than a 45D rearend.  MACK
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2015 at 11:09pm
MACK what else are you suggesting i need
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 03 Jan 2015 at 11:53pm
56allis what has been done motor wise to your tractor
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bigcountry48 Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 2015 at 1:16am
56 allis runs an e gleaner motor, it's a good bit bigger than a stock wd45 motor, but its a direct swap other than a few oil lines getting in the way. The e gleaner motor isn't that hard to find if you've got the money, and its probably the best bang for your buck.
1950 B, 1952 pulling wd, and 1954 wd45
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 2015 at 7:53am
You will need a lower first gear or more hp.  MACK
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Post Options Post Options   Thanks (0) Thanks(0)   Quote blue924.9 Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 2015 at 8:34am
Seems like a good time to replace the hand clutch with a wc   transmission that way you get 16 gears but Check with the rules to make sure it's legal. I haven't found a place where it isn't but have had to plea my case a few times when asking around
hi my names dan, I am a young guy. i have a problem, i prefer my tractors orange and my clutches mechanical, thanks for letting me share
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 2015 at 10:12am
How much bigger that stock is 56 allis motor
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 2015 at 10:14am
MACK do you think 312 cui with 10.5-1 compression at 2100 rpms is not enough hp
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 2015 at 12:18pm
I thought you were going to put on the tires and try it??? Report back with the results.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 2015 at 12:31pm
Dr that is the plan as of now i bought a set of adapters the other day now just gotta find a good set of tires and rims and see what happens
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 56allis_msu Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 2015 at 4:34pm
Allis Puller you're running more cubes then mine. Internally little has been done to my engine. All I've done are a few air flow tricks. Now I'd be lying if I said I was completely satisfied with the performance but as far as money goes, the rear end swap gave me the best bang for my buck. In the near future is like to punch and stroke my engine but in the mean time I gotta run on a budget. I agree with the Dr...there are tons of small things you can do to get a lot more. Change one thing at a time and see how it affects the performance of the tractor. Don't do what I did at first (changing multiple things). Then you don't know what helps and hurts. In my opinion I would do the swap and then work on air movement. Engines are nothing more then big air pumps. It doesn't matter how big they are if they can't move the air in and out.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote allispuller Quote  Post ReplyReply Direct Link To This Post Posted: 04 Jan 2015 at 4:49pm
I plan on doin the tire swap soon along with the addition of murphys roller rockers before tge start of the season im not honna change rear ends unless i have to but hopefully that is not the case
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