D15 Pulling Power
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=195513
Printed Date: 08 Sep 2025 at 1:31pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: D15 Pulling Power
Posted By: John-Paul
Subject: D15 Pulling Power
Date Posted: 03 Jun 2023 at 7:29am
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What do you think, would my D15 have the power to pull a 6' dual blade land grader with rippers? I would be grading after a rain - the road does have some hills. I'm just wondering if 6' may be too big for the horse power? Thank you!
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Replies:
Posted By: IBWD MIke
Date Posted: 03 Jun 2023 at 7:34am
Just a guess but I think it should fairly easily.
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Posted By: AC720Man
Date Posted: 03 Jun 2023 at 10:16pm
What’s he HP requirement of the dual grader? It’s a 46hp tractor, ours handles a single 6’ with extensions easily.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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Posted By: John-Paul
Date Posted: 03 Jun 2023 at 10:30pm
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Yes, good question. I just looked up a manufacturer, Land Pride, and for both a 6' and 7' they recommend 40-90 hp. So spec-wise and experience-wise, it sounds like the D15 should be able to handle it then. Thanks for the feedback!
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Posted By: modirt
Date Posted: 04 Jun 2023 at 7:18am
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Snap coupler or factory 3 point?
D15 I'm stewarding had the factory 3 point and the main casting that holds it all together had been busted and welded at least twice before I came along. I had it welded the 3rd time. Concluded the casting and design was not robust enough for any serious work, so I converted the factory 3 point back to a snap coupler......more of a hybrid between the two. Drawbar will handle it, the factory 3 point arms still suspect.
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Posted By: AC720Man
Date Posted: 04 Jun 2023 at 1:37pm
As far as the D15 3 pt, dad bought ours new in 1968. It’s done a lot of plowing, 3 pt equipment, tillage and we have never had any issue with the 3 pt. Abuse can break any tractor IMO.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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Posted By: Pat the Plumber CIL
Date Posted: 04 Jun 2023 at 2:08pm
Tha biggest problem that the D-15 had was when operators used it like it was a D-17 or larger tractor. Any sensible operator will soon realize the limitations of his machine and will use it appropriately. Yes operator error has a lot to do with most machines demise. I have a series 2 D15 and I love it , nimble enough to get around and strong enough to get something done. Like modirt says the factory 3 pt is more like a Ford 8n or 9n. Use it carefully and you shouldn't have any issues.
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You only need to know 3 things to be a plumber;Crap rolls down hill,Hot is on the left and Don't bite your fingernails
1964 D-17 SIV 3 Pt.WF,1964 D-15 Ser II 3pt.WF ,1960 D-17 SI NF,1956 WD 45 WF.
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Posted By: Trinity45
Date Posted: 05 Jun 2023 at 8:05am
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Most likely but it would also depend on how hard the ground is.
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Posted By: Lars(wi)
Date Posted: 05 Jun 2023 at 9:25am
I was always one that tried my best to match a tractor to job task at hand. And that goes both ways, not to small of a tractor for a job, and not an over large tractor for a low hp task.
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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Posted By: John-Paul
Date Posted: 06 Jun 2023 at 8:22am
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All good considerations. Pays to be wise. I plan to keep using my '63 for another 10-20 years. Thank you!
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