Added: 1 year ago
From: AJ67901
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  • Ohh, OK...I did not realize that the EB stack was coming to a stop. Was unclear about grade parameter but now all clear LOL - Keep on shootin"!

  • @DonGomez007 The DPU on the EB stack was so the train could come to a complete stop on the main line. The westbound was so long he was still hanging out. Once the EB cleared the west switch he could take the main behind the EB and clear up for him to continue. It was the first good catch of a GE in dynamics I'd ever gotten on video. The grade in town is flat as a board. There's some grade east of town where the line crosses the Cimarron River, but probably no more than 1.5%

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  • Excellent job allround thanks.!

  • @MrSd40jk Thanks, I couldn't believe they were the real deal, honest SD90's. It was a fun video to make. Thanks for watching and commenting!

  • @AJ67901 A pleasure to watch. Thank you.

  • Great catch with the Eastbound DPU in dynamic's. :D

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  • The K3LA on that C60AC is magnificant!

  • @cweis127 Thanks! it was a fun day and a great way to close out 2010.

  • @AJ67901 Only UP has the best K3LAs!

  • PRLX has 22 SD90MAC on its roster

  • @EMDGM6 that's what's left then. I saw 6 of them headed north in tow on the BNSF mainline in Oklahoma on 4-9-11.  Possibly being returned from lease at Ferromex?

  • Those 90 MACH's are being towed..didn't see them smoke.

  • Any idea what PRLX will do with them? Maybe throw some caterpillar engines in them? haha

  • @guilford681 there's a video posted in january that shows one in lease service in Mexico. I don't know if that was where these were headed or not, but it was cool to catch them after having done a lot of reading about them.

  • @AJ67901 Yeah man great video. They are very interesting locomotives, sadly they had trouble in the begining

  • That is not a c60ac..It is a c6044. The c60ac have the 75** numbers. All other numbers are c6044c. Even the 75** numbers are getting remotored once they have engine problems. I work for Union Pacific.

  • @ktraptor you are correct.  I've beaten that horse already in the narrative. thanks.

  • @upconductorgmtx2113 thanks Ken, the 9043s are still in service, these are the 6000hp units the UP retired a few years ago. Look at the fuel tanks - made onto the frame as a single unit, different radiator grilles etc. From what i can tell there are about 30 of these left that havent been cut up.

  • If you noticed every one of those 90MACS are on lease because they never performed up to expectations unlike the GE versions.

    They couldn't lug a train from a dead stop without slipping. GE designed them right while EMD flopped. EMD should of gone back to their SD40-2 and made something from those plans.

    90MACS were flops and that's why only two railroads bought them because the others knew something they didn't.

  • @HyperActive7 Obviously the SD90s had their problems. Crews hated them and they were released before the technology was there to make them work properly. There were design and quality control issues as well. The GEs were far from perfect however. They had crankshaft and engine vibration problems. Had they been such great successes UP would surely have purchased more of them. From what I've read, the EMD Mac-H units were completely different than the 9043s making support very expensive.

  • @AJ67901

    That's why now you rarely see any true 6000hp power because it was rushed out instead of properly tested. I remember all the hype about the 6000hp locomotives which actually came out as convertibles which did better under the lower horsepower.

    Had they done more research on mountains and places where the 6000hp was really needed I think it would have been better equipped. You can't just test in flat Erie PA to know if something will work right.

  • @HyperActive7 I agree.  UP Has always had an appetite for big power. I'm sure they were driving the bus and submitted the specs to both EMD and GE. I thought it was awesome to get to see them come through regardless. I'd never seen one in the flesh.

  • @AJ67901

    It just shows you. You never know what beast Union Pacific is planning on having EMD and GE build. I can tell it put's those two builders to the test big time. 8000hp in the next few years anyone?

  • @kmothersil I'm sure the coming Tier 3 emissions regulation will have a great impact on new locomotive engine design, but just like they've done with cars, I have no doubt they'll find ways to keep the HP or improve it while meeting those new regs. Thanks for the comment

  • @AJ67901 UP always had an appetite for big horsepower i agree and they came out with alot of legendary engines as a result---the Challanger and big boys in the 1940s-1950s, the gas turbines in the 1950s-1960s and the double diesels (particularly the DD40AX) of the 1960s-1980s. Guess UP was trying to go back to its roots with the AC6000 and SD90MAC-H

  • @HyperActive7

    The 6000HP engine around are CSX's AC6000CWs, which some have been or are in the process of being converted from the HDL engine to the 16 cylinder GEVO engine. That's pretty much it. I do hope one of these SD90s with the H engine are preserved. It would suck to send the whole fleet to scrap or being converted and sent to foreign countries.

  • That is actually a C44/60AC leading, they remotored all of the C60AC's this year and they're now C44/60s, the one in the video was originally what it is now. Great catch never the less and great video as well.

  • Those look a lot like SD70ACes! Nice video!

  • @fixierider97 thanks for the compliment.

  • Excellent, excellent footage! Now, this is the kind of video I enjoy watching. No low points with a possibility of loosing interest throughout. A very nice catch indeed as well. Once again, great job! I love your work.

  • @BNSF9192 thanks for the nice compliment!

  • @BNSF9192 Yes, the cabs are the same, but the radiator section is much longer and has three large grilles and a smaller one on each side. The fuel tanks are the dead giveaway. The angle braces and that big strap by the filler is unique to the Mac-H. EMD's only 4 stroke engine. Crews hated them.

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