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Tractor Pulling Discussion Forum

torque vs rpm

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mlpankey

02-17-2008 16:32:50




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if the deere guys are sold so much on torque then why are they running 1800 rpms whichis almost double there factory rpms . oops deere guys have i let the cat out of the bag.




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39f20

02-18-2008 06:30:04




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 Re: torque vs rpm in reply to mlpankey, 02-17-2008 16:32:50  
Wenzig runs 2200 on his deere at the natpa



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itssimplephysics

02-17-2008 19:15:18




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 Re: torque vs rpm in reply to mlpankey, 02-17-2008 16:32:50  
There is a reason why nothing is made with 2 cylinders anymore. John Deere finally saw the light.



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buickanddeere

02-21-2008 07:12:33




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 Re: torque vs rpm in reply to itssimplephysics, 02-17-2008 19:15:18  
Just two words " Torque Amplifier" = "repair bill". The two cylinder engine & drive train design was robust and reliable. The diesels set fuel efficiency records in the 1950's that stood until 1984. There was nothing chronically wrong with the drive train in the 3010/4010 and later. The TC tractors had power steering, live pto, three point hitch. Nothing obsolete there. Harley and harley clone motor cycles sell quit well. There is still a market for low speed large displacement engines. Unless it's a race course with souped engines. Stock on stock a 50HP two cylinder is every bit a match or more for a 50HP four or six cylinder. Then again you poor binderoids still can't swallow the fact your company went bust. The TA and weak final drives were IH's downfall. Operator comfort was 2nd rate on other brand tractors as well until well into the 1980's.

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B-maniac

02-17-2008 18:30:31




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 Re: torque vs rpm in reply to mlpankey, 02-17-2008 16:32:50  
The ones that WIN don't!



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molinesam

02-18-2008 12:17:25




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 Re: torque vs rpm in reply to B-maniac, 02-17-2008 18:30:31  
B, I love all the old iron but I don't see all these 2 cyc winners in the 3 states that I pull in that you suggest exist. To suggest in a previous post that deere could have "redesigned a long stroke 2 cyc" instead of the 3010/4010 series is not reality. Altho they were 10/15 years behind the curve, deere did finally develop excellent multi cyc engines like Oliver, Case, Moline, Ford, IH, Rumely, Caterpillar, Cockshut, Allis, & others did 40 years earlier. Yes, I know all the others went broke, but it wasn't due to their multi cyc engines. IHC actually outsold Deere until the 3010/4010's came along. They had a lot of drivetrain problems but they were resolved with the 3020/4020's. The 10% rpm & 3 mph is all that keeps deere in the game.

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Ringo

02-27-2008 09:13:42




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 Re: torque vs rpm in reply to molinesam, 02-18-2008 12:17:25  
Ive got a "G" that will whip you any day of the week. Name your weight and location. Im in Georgia. Ill come to you to spank your DONKEY!!!!!



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ollie 88

02-18-2008 07:31:46




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 Re: torque vs rpm in reply to B-maniac, 02-17-2008 18:30:31  
B-maniac, Most of the good G's are big cube division 3 tractors masquerading as stock tractors. They were an obsolete design 10 years before they were discontinued.



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Mpuller

02-18-2008 07:21:06




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 Re: torque vs rpm in reply to B-maniac, 02-17-2008 18:30:31  
B-maniac, May I suggest that the 2 bangers are only competitive because of the 10% rpm over & 3 mph limit, not to mention no shifting of TA. They would do even better in a 2 mph class. I grew up on A"s, G"s, & 70"s so I am speaking from experience. Thanks.



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B-maniac

02-19-2008 14:05:02




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 Re: torque vs rpm in reply to Mpuller, 02-18-2008 07:21:06  
This isn't even MY post or MY question! I simply added my 5 word answer to MR. mrplankey's little "teaser" and everybody's wantin' ta scratch MY hemroids! Please adress your comments to the real "HEMROID" since HE did ask the question. You had a chance to jump in my chit a few posts back. If ya missed your chance , well , sucks ta be U! And as far as mrplankey's "torque vs rpm" , that never was the issue! Read closer next time mr.

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bigjohn 3

02-18-2008 13:34:25




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 Re: torque vs rpm in reply to Mpuller, 02-18-2008 07:21:06  
Mpuller, I'll admit that these rules are to help 2 bangers be more competitive. But without them we wouldn't have enuf tractors & we need a good field of back-markers. Give us 500-600 cubes & we'll go toe to toe with any 283 cube moline in division 2.



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88puller

02-18-2008 12:59:47




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 Re: torque vs rpm in reply to Mpuller, 02-18-2008 07:21:06  
Mpuller, You said that in jest, but I've actually seen a 2 mph class. That really excites the paying fans & makes them want to come back. Maybe a 1 mph & 10% rpm under would make deere really competitive.



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