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NORFOLK SOUTHERN
DIESEL LOCOMOTIVE ROSTER

NS EMD/NS BP4 (Battery Powered 4-axle switcher) #999

1 Unit - Currently Stored


 

This roster compiled and maintained by Chris R. Toth
Roster last updated on August 16, 2017.

 


Active Roster

 

Road No.

Rebuilt From

Rebuild Date Rebuilt By Original Build Date Order No. Builder No. Notes
999 NS EMD GP38 2911/CR 7732/PC 7732 09-2009 NS 07-1969 7191 35361 Unit currently stored, but still on the active roster.


General Info

NS Model Designation = BP4
Horsepower = 1,350
Fuel Tank Capacity = 0
Dynamic Braking = See below
Cab Signals = No
LSL (Locomotive Speed Limiter) = No


Equipped with EMD Blomberg type-B  trucks.

Equipped with an electric parking brake.

Unit is totally battery powered.

Painted in special green, white and black scheme.

Equipped for regenerative dynamic braking, which converts
excess energy for use in battery charging.

Originally assembled by NS Juniata Locomotive Shop from parts supplied by 
Brookville Equipment Corporation, using the frame of former NS EMD GP38.
The unit was developed jointly by Norfolk Southern, Brookville Equipment,
Penn State University, and the US Department of Transportation.

Unit was originally equipped with 1,080 Odyssey 12-volt lead-acid batteries
from EnerSys.  Testing with this original configuration was not successful. 

Unit was returned to service in October 2014 following upgrading by NS with
864 lead-carbon batteries from Axion Power International, as well as a
 battery management system from TMV Control Systems. The upgrade
resulted in a new and taller battery compartment portion of the carbody.

Equipped for remote control operation in 10/2014.

 




 

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Please Note: This is the personal website of Chris R. Toth. It is not affiliated with, sponsored nor supported by Norfolk Southern Corporation.

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