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GE Genesis
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==Technical design== The GE Genesis series stands out for its unique, lightweight [[monocoque]] [[Cowl unit|carbody]] design, styled by industrial designer [[Cesar Vergara]].<ref>{{cite news |title=High style, high tech; Putting style back on track |newspaper=Toronto Star |first=Greg |last=Gormick |date=November 21, 2005 |page=D01 |id = {{ProQuest|438900729}}}}</ref> This innovative approach translates to improved aerodynamics and fuel efficiency compared to its predecessors.<ref>{{cite patent||country=US|number=5535680|pubdate=1996-07-16|title=Monocoque locomotive|assign1=[[General Electric|General Electric Company]]|inventor1-last=Bieber|inventor1-first=Allen C.}}</ref> However, the complexity of the monocoque design results in slightly higher maintenance and repair costs. Notably, Amtrak equips its Genesis locomotives with bolt-on nose cones to facilitate rapid repairs in the event of a [[level crossing|grade crossing]] collision.{{Citation needed|date=April 2024}} The Genesis represents a significant leap forward in performance. It boasts a 22% improvement in fuel efficiency and delivers 25% more power compared to the F40PH.<ref name="PTJ">{{cite journal|last=Warner|first=David C|title=AMD103: Powering Amtrak Into the 21st Century|journal = [[Passenger Train Journal]]|publisher=[[Interurban Press]]|volume = 24, No. 6|issue = 186|pages = 23|date = June 1993|issn = 0160-6913}}</ref> Furthermore, all Genesis locomotives utilize modern, [[four-stroke engine]]s, surpassing the [[Two-stroke diesel engine|two-stroke]] technology employed in earlier EMD counterparts.{{Citation needed|date=April 2024}} Further enhancing reliability, the Genesis is a fully computerized locomotive. Its onboard computer systems automatically manage various functions, including real-time adjustments to engine output in response to overheating, low oil pressure, or reduced airflow intake. This ensures continued operation during minor operational deviations, streamlining maintenance requirements.<ref name="PTJ" /> All Genesis locomotives provide [[head-end power]] (HEP) to the train via an [[alternator]] or [[power inverter|inverter]] powered by the main engine. This system delivers a maximum output of {{convert|800|kW}}, capable of powering up to 16 [[Superliner (railcar)|Superliner railcars]]. The P40DC and P42DC models offer two HEP configurations: normal mode with the engine speed locked at 900 rpm for providing both HEP and traction power, and standby mode with the engine speed locked at 720 rpm for HEP only (no traction power). The P32AC-DM offers greater operational flexibility with its HEP inverter. The engine can run at 1,047 rpm while delivering both traction power and HEP. Additionally, it can idle at 620 rpm (notch three) while still providing HEP for lighting and air conditioning when not in use for traction.{{Citation needed|date=April 2024}} The Genesis utilizes trucks manufactured by [[Krupp Verkehrstechnik]] [[:de:Lokomotiv-_und_Waggonbaufabrik_Krupp|[de]]], which has since been acquired by [[Siemens Mobility]]. Newer Genesis locomotives reflect this change and carry the Siemens name.{{Citation needed|date=April 2024}}
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