How much HP
Printed From: Unofficial Allis
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=171358
Printed Date: 23 Nov 2024 at 11:40am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: How much HP
Posted By: allispuller
Subject: How much HP
Date Posted: 21 May 2020 at 9:17pm
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How much horsepower can a WD45 read end and transmission hold?
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Replies:
Posted By: PaulB
Date Posted: 22 May 2020 at 6:53am
More if you run light, go fast and let the wheels spin. Less if you run heavy and use grampa gear with no slippage.
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Posted By: DrAllis
Date Posted: 22 May 2020 at 7:12am
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Tire size, lug profile, wheel speed, engine RPM's and weight are the factors. I know of some that make 100 HP @ 1400 to 1800 RPM and pull up to 5,000 lbs with 15.5 x 38's and never have any problems. When you say "rear end" that includes the transmission, which a WD45 trans can tolerate more than an old WD with the straight gearshift.
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Posted By: allispuller
Date Posted: 22 May 2020 at 2:16pm
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I guess the reason I’m asking is that I was thinking about doing a 292 Chevy swap. Was just curious on how many issues I was going to have with the rearend ad transmission holding up to the power.
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Posted By: PaulB
Date Posted: 22 May 2020 at 4:03pm
I know of a modified that is a WD that had a 350 with an automatic and something like 23.1X26 tires that runs 4500 to about 6000. It runs fast and spins and hasn't had any problems. Sometimes more HP and spinning is not as much strain and just enough HP and tied to the ground.
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If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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Posted By: mruhlig77
Date Posted: 22 Jul 2020 at 5:25pm
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Same ring and pinion was used in early 190's until they started to break....have late D-19 in my WD-45 but no 100 horse....
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Posted By: mruhlig77
Date Posted: 22 Jul 2020 at 5:26pm
That was the diesel version in the WD-45
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Posted By: MACK
Date Posted: 17 Oct 2020 at 10:54pm
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Final drives are the weakest link. MACK
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