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200Tom1 
Orange Level
Joined: 03 Jun 2019
Location: Iowa
Points: 1220
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 Topic: 7080 differences
Posted: 19 Jan 2022 at 10:21pm |
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Years ago, I had a fuel customer tell me his early 7080 had a lot more pulling power than the later 1 he traded for. Does anyone know if there was a difference in HP or tranny ratios? Just wondering. I put this in the wrong place. Sorry guys its been a looong day.
Edited by 200Tom1 - 19 Jan 2022 at 10:27pm
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AaronSEIA
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Joined: 11 Sep 2009
Location: Mt Pleasant, IA
Points: 2551
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Posted: 20 Jan 2022 at 6:00am |
I'd bet his early one had been turned up and the later was stock. AaronSEIA
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WF owner
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Joined: 12 May 2013
Location: Bombay NY
Points: 4666
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Posted: 20 Jan 2022 at 6:28am |
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.... or there was a considerable weight difference between the two tractors.
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DrAllis
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Joined: 12 Sep 2009
Points: 20523
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Posted: 20 Jan 2022 at 9:10am |
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45 years ago, I had a customer who had two identical 190XTD series 3's. He called one "Gunner" and the other one was called "Gunners Sister". Both dyno'd the same HP. Gunners Sister had a cab and Firestone F-151 18.4 x 34's and Gunner was cab-less and had Goodyear 18.4 x 34's. As far as I was concerned Gunner weighed about 600to 700 lbs less on the rear wheels and actually had LESS traction than Gunners Sister. That and the fact that you heard the engine noise and turbo whistle better without the cab on it, making you think it was more powerful.
Edited by DrAllis - 20 Jan 2022 at 11:27am
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Acdiesel
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Joined: 15 Jun 2012
Location: Rochester Ohio
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Posted: 20 Jan 2022 at 10:58am |
The cab to no cab H.P. difference is amazing. I've heard that one a time or to myself. 
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D19 diesel,D17 diesel SER.3 D14 NF,D14 WF, D15 SER.II wf
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I'm a pharmacist (farm assist) with a PHD (post hole digger)
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AC7060IL
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Joined: 19 Aug 2012
Location: central IL
Points: 3343
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Posted: 27 Jan 2022 at 9:22am |
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200Tom1, those 7080s set right were pulling monsters. Probably slight differences in injection pump settings or maybe slight inj pump timing??
For laughs - The later T handle & cables of the PD could be parasitic of maybe 5 hp?
Also, if the early one had a “Cherry Bomb”muffler, “Thrush”muffler, “WLS-am radio” or any cool looking decal(s) then that could of added some 5hp each? Hey... a Richard Petty “STP” sticker definitely added 10hp each!!
Edited by AC7060IL - 27 Jan 2022 at 9:25am
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victoryallis
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Joined: 15 Apr 2010
Location: Ludington mi
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Posted: 27 Jan 2022 at 9:32am |
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Neighbor had a 7045 that he believed was a demonstrator tractor. Pump was set different from the factory he claimed it was unreal the difference in that tractor compared to other 426 powered Allis’s he had. I’m betting I heard about that 7045 story 8-10 times.
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8030 and 8050MFWD, 7580, 3 6080's, 160, 7060, 175, heirloom D17, Deere 8760
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200Tom1
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Joined: 03 Jun 2019
Location: Iowa
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Posted: 28 Jan 2022 at 12:04am |
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I forgot to say these were both purchased from R&M equipment in Indianola Iowa.
Edited by 200Tom1 - 28 Jan 2022 at 12:05am
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Ray54
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Joined: 22 Nov 2009
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Posted: 28 Jan 2022 at 11:58am |
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They don't always leave the factory correct. A guy here had 2 AC 440's both bought new from the same dealer. The first pulled a lot more than the second. Took lots of complaining, but finally tractor got to a Cummins certified shop (not the dealer) . I don't remember the problem, but there was one.
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