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Old 04-19-2017, 08:48 PM   #1
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Cummins but not a Motorcoach

Most know that Cummins owns the Motorcoach market, here's there next conquest, I thought it was cool, others here may think so too....Plus meets Tier 4 emissions! (Wonder if they'll have to do a parked Regen)

Cummins’ Locomotive Demonstrates It’s Great For Freight
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Old 04-19-2017, 08:58 PM   #2
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I think that technology would be great in a coach. I'm all for getting a few more mpg.
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Old 04-20-2017, 01:06 AM   #3
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I wonder if they will need a tender car to carry the DEF for it. Or, just a fill up at each end of the run.

Mac, what is considered a medium speed engine and what is considered a high speed engine when you get into this size engine?
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Old 04-20-2017, 03:42 AM   #4
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All I know is that it would be cold day.. before I drove that train over that rusty old bridge a hundred feet in the air!

Pretty cool...

-cheers
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Old 04-20-2017, 05:48 AM   #5
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Quote:
Originally Posted by Happycarz View Post
I wonder if they will need a tender car to carry the DEF for it. Or, just a fill up at each end of the run.

Mac, what is considered a medium speed engine and what is considered a high speed engine when you get into this size engine?
Mind you , I never worked on these engines for a living, but the Cummins in the article is 4400 HP @ 1800 rpm, from what I understand a GE or EMD engine is 3000 or 4000 HO @ 900 rpm.

Based on current fuel tank vs DEF tank size for a pick up, I'd say the Train DEF tank is properly 250 or 300 gallons?

Both set-ups are electric-motive......
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Old 04-21-2017, 09:50 PM   #6
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As a locomotive engineer for the BNSF, it would be interesting to run a Cummins powered unit. glad they're working their way into the market. prob never make it to the class 1 railroads since GE & EMD are so competetive. The GE's we run now have gone from 16 cylinders down to 12 cylinders to help with emissions. still producing 4400hp. in fact they load much quicker than the old dash-9 turds of the day, less vibration too.
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Old 04-21-2017, 10:16 PM   #7
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Thanks Mack, or is it Mr. Wrench. OK, thanks mackwrench.
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Old 04-22-2017, 07:33 AM   #8
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Repowering is big business for Cummins.
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Old 04-22-2017, 08:49 AM   #9
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I think the GM/EMD motors are two strokes. Not the cleanest things especially on startup.

And I think the low speed powerplants are the warstilla RT* motors that run at ~107 rpm max.


http://www.wartsila.com/products/mar...-speed-engines
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Old 04-22-2017, 07:12 PM   #10
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Quote:
Originally Posted by jimmy braden View Post
I think the GM/EMD motors are two strokes. Not the cleanest things especially on startup.

And I think the low speed powerplants are the warstilla RT* motors that run at ~107 rpm max.


http://www.wartsila.com/products/mar...-speed-engines
The older EMD-710 is a two stroke... That's a 16 clyinder with 710 cubic inch per clyinder. 11,360 ci

Heres Cummins competition, Evolution GE is 4400hp, meets Tier 4 emissions and is a 4 stroke...

http://www.getransportation.com/loco...ives/evolution
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Old 04-22-2017, 07:17 PM   #11
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Quote:
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Thanks Mack, or is it Mr. Wrench. OK, thanks mackwrench.
Just mack, lol, 30+ with Mack Trucks and a few other positions in the med/heavy truck industry
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