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Western Railroad Discussion > Some BNSF 70MACs Continue to Work.


Date: 07/04/26 15:51
Some BNSF 70MACs Continue to Work.
Author: spider1319

First view is west of Livingston on the BNSF MRL 2nd Sub, a three pack helper set of 70MACs shove a grain train up Bozeman Pass. Yard duty at Alliance South Yard  of BNSF is the second image . The third image is of the not so fortunate dealine of 70MACs at BNSFs Alliance Yard. June 2026 Photos by permission. Bill Webb 








Date: 07/04/26 22:37
Re: Some BNSF 70MACs Continue to Work.
Author: MP555

Very few continue to work, currently. 

The 8 SD70MACs in service are restricted to local division use:
BNSF 8908 Butte, MT
BNSF 8923 Powder River Division
BNSF 9574 Tulsa, OK hump
BNSF 9621 Alliance, NE yard
BNSF 9625 Powder River Division
BNSF 9691 Powder River Division
BNSF 9808 Butte, MT
BNSF 9948 Alliance, NE yard

11 of the 21 SD70MACes are in service. Only one is used in the system-wide pool.
BNSF 9716 ex-MRL helper
BNSF 9717 ex-MRL helper
BNSF 9718 ex-MRL helper
BNSF 9721 system-wide use
BNSF 9728 ex-MRL helper
BNSF 9730 Springfield, MO helper
BNSF 9738 ex-MRL helper
BNSF 9748 ex-MRL helper
BNSF 9750 Springfield, MO helper
BNSF 9767 ex-MRL helper
BNSF 9772 ex-MRL helper



Date: 07/05/26 10:07
Re: Some BNSF 70MACs Continue to Work.
Author: BoostedFridge

Great post, and follow up information.  You did especially well shooting these units in action Spider, especially after seeing how few are still working.

I see 9406 in the deadline photo.  I'm amazed that unit hasn't been scrapped yet, as it was one of the initial units of the first order that had mechanical fuel injection as opposted to EFI.



Date: 07/05/26 12:31
Re: Some BNSF 70MACs Continue to Work.
Author: ble692

BoostedFridge Wrote:
-------------------------------------------------------
> I see 9406 in the deadline photo.  I'm amazed
> that unit hasn't been scrapped yet, as it was one
> of the initial units of the first order that had
> mechanical fuel injection as opposted to EFI.

9406 was actually in service earlier this year...

https://www.trainorders.com/discussion/read.php?1,6170081,6172660#msg-6172660



Date: 07/06/26 02:51
Re: Some BNSF 70MACs Continue to Work.
Author: coach

Are they beyond rebuilding?  That 710 engine has proven itself, and I can't but help wonder if rebuilding would be good?  Just asking.



Date: 07/14/26 07:35
Re: Some BNSF 70MACs Continue to Work.
Author: ns1000

coach Wrote:
-------------------------------------------------------
> Are they beyond rebuilding?  That 710 engine has
> proven itself, and I can't but help wonder if
> rebuilding would be good?  Just asking.


It's a combination of age and the MACs are not liked by all the crews compared to the 6 axle ES44s.

Posted from Android



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