The Altoona Works BP4 is a 1,500 hp (1,120 kW) B-B battery-electric locomotive rebuilt by the Altoona Works of the Norfolk Southern Railway. It was created in 2007 by replacing the diesel prime mover of an EMD GP38 with 1,080 12-volt lead-acid batteries and associated control equipment. The converted locomotive was redesignated Norfolk Southern #999.
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Altoona Works BP4
The Altoona Works BP4 is a 1,500 hp (1,120 kW) B-B battery-electric locomotive rebuilt by the Altoona Works of the Norfolk Southern Railway. It was created in 2007 by replacing the diesel prime mover of an EMD GP38 with 1,080 12-volt lead-acid batteries and associated control equipment. The converted locomotive was redesignated Norfolk Southern #999.
