MBTA's MPI HSP-46 Locomotives

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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby daylight4449 » Mon Mar 28, 2016 2:34 pm

ACeInTheHole wrote:
MBTA F40PH-2C 1050 wrote:Just to add on to what 1118 wrote, the P&W booted MPI and the T out of their Worcester shops many months ago

Probably was causing problems for their own engines accomodating so many HSPs

I drive by their shop a number of times a week... The HSPs owned the joint. They had room out front for their stuff, but not much else...
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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby Backshophoss » Tue Mar 29, 2016 1:52 am

The prime movers and inverters were supplied by GE,if the problem is in the Inverters,
that's GE's problem,some of GE's vendors/suppliers have had quality control issues in the past
(remember all the turbocharger failures GE had :P )
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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby MBTA F40PH-2C 1050 » Sun Apr 03, 2016 5:57 pm

The 2039 went belly up yesterday on #1073 at BLACKROCK INT.
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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby GP40MC1118 » Wed Apr 06, 2016 11:39 am

It's up to a reported six units now....two in Erie, two in Rochester, this one and the 2024.

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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby GP40MC1118 » Sun Jun 12, 2016 9:50 am

2034 was back from Erie the other week and promptly sent to Rochester.

2004 still out to Erie

2017 was sent to Rochester Saturday

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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby The ViRoCo » Wed Jun 29, 2016 11:56 am

Mass Coastal brought 2034 back to the MBTA in Middleboro on Monday.
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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby GP40MC1118 » Wed Jun 29, 2016 6:14 pm

The extra also brought down the 2013.

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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby BandA » Mon Aug 01, 2016 2:31 am

Is there supposed to be visible smoke in the exhaust of a Tier-III locomotive?
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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby DutchRailnut » Mon Aug 01, 2016 7:10 am

visible smoke has nothing to do with it.
If Conductors are in charge, why are they promoted to be Engineer???

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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby Bramdeisroberts » Mon Aug 01, 2016 9:48 am

BandA wrote:Is there supposed to be visible smoke in the exhaust of a Tier-III locomotive?


It depends on whether Tier III regulations care about particulates.

From what gather, the Tier-X requirements focus more on greenhouse gas emissions than particulate outputs.
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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby MEC407 » Mon Aug 01, 2016 11:02 am

There is definitely a particulate component in the regulations, but to answer the original question, yes, you will certainly see some occasional smoke from Tier 3 locomotives from time to time. EMD and GE alike.
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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby Bramdeisroberts » Mon Aug 01, 2016 5:10 pm

Oh I'm sure there is, I'm guessing that it's simply nowhere near as stringent as the regs for new on-road diesels are.

I can only imagine the blowback from a loco going dead mid-trip because the prime mover had to do another re-gen cycle on the particulate filter.
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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby GP40MC1118 » Thu Aug 18, 2016 3:57 pm

MBTX HSP46 2004 is out of GE/Erie and in Buffalo on Q260-14
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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby NaugyRR » Fri Aug 19, 2016 9:25 am

Bramdeisroberts wrote:Oh I'm sure there is, I'm guessing that it's simply nowhere near as stringent as the regs for new on-road diesels are.

I can only imagine the blowback from a loco going dead mid-trip because the prime mover had to do another re-gen cycle on the particulate filter.


How would the locomotive die from going into re-gen? I'm curious because the Tier-4 tractors and skid-steers I work with can be operated normally during their re-gen. They will usually announce that they are in their cycle through an idiot light on the instrument panel or a message on the display, but typically operating the unit through the cycle is encouraged. In fact, stopping or shutting down the unit during re-gen is advised against.

Do locomotives bypass the generator and axle motors during re-gen? That's the only way I could see a locomotive getting K.I.A. during re-gen. On the ag equipment, the exhaust gasses need to get HOT for the EGR/afterburner to be effective in purging the particulate filter, I can't imagine a locomotive prime mover being too different.
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Re: New MBTA Locomotive Order Discussion (MPI HSP-46)

Postby GP40MC1118 » Sun Aug 21, 2016 11:28 pm

2004 out of Selkirk Sunday night on Q436

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