BNSF Railway has bought 25 ES44AC locomotives in 2023, and they are all classified as ES44ACH. They were built between August and September of 2023 and were built concurrently with the ET44ACH. The numbers were 3282-3306, which officially ended the production of the ES44C4 in 2020. These units are Tier 4 credit units.

Wabtec’s Evolution Series ES40ACi locomotive is capable of meeting UIC 3A emission standards while also providing best-in-class haulage, fuel efficiency and TCO. The Evolution Series ES40ACi locomotive is a multipurpose light weight high horsepower heavy haul locomotive. Its unique features include:

2024年12月31日 · Today, Norfolk Southern owns 212 ES40DCs. The locomotive featured GE's model 752AH traction motor which could produce 142,000 pounds of starting tractive effort and 109,000 pounds continuous. Rated at 4,400 horsepower using DC traction this model replaced the C44-9W model (also rated at 4,400 horsepower using DC traction).

2021年11月13日 · 本文即介绍交付给BNSF的“Evolution”——ES44AC型、ES44DC型、ES44C4型和ET44C4型内燃机车。 ES44AC-6022号机车. ES44AC型. “Evolution”的交—直—交传动版本，装用6台三相交流异步牵引电动机。 2003年10月~2004年4月间，GE Transportation交付BNSF首批30台ES44AC型机车，号段为ES44AC-5718号~ES44AC-5747号。 2005年~2009年间，BNSF采购685台ES44AC型机车，号段为ES44AC-5748号~ES44AC-5837号，以及ES44AC-5844 …

> ES40AC locomotives. There's ES40DC units but no > ES40AC units built. Why is that? Because GE never offered a 4000hp AC traction unit in the North American market, plain and simple. The only reason there was an ES40DC in the first place was because NS requested its units rated at 4000hp, the same as they had with the DASH 9 fleet.

Evolution Series locomotives are equipped with either AC or DC traction motors, depending on the customer's preference. All are powered by the GE GEVO engine. The Evolution Series was named as one of the "10 Locomotives That Changed Railroading" by Trains Magazine and was the only locomotive series introduced after 1972 to be included in that list.

Does anyone know off-hand which ES44AC running around out there was in fact the first one? I know there were several pre-production models delivered to UP, BNSF and NS (as ES40AC), but I'm curious to know which is the very first. Back in April 2004, both GE and EMD had pre-production Tier 2 units up at the east portal of the Moffat Tunnel (west ...

2011年4月15日 · In the meantime GE has refined its larger bore diesel prime mover and produced the successful ES40AC and ES40DC series of locomotives. Two things are happening which will lead to another test for the American appetite of 6k HP road locomotives: 1) intermodal share is growing and 2) a new generation of mechanical managers are taking their places ...

The Evolution Series locomotive is the most technologically advanced, diesel-electric, heavy-haul locomotive in the world today. Are you a Wabtec customer or partner? Transportation …

CSX ES44AC 941 trails on R647 South. CSX 941 leads a SB coal train at Brush Creek (Orlando). We spent 10 hours on this line and only saw 6 trains. CSX 941 leads Q190-27 onto the Trenton Line from the Morrisville Line. CSX ES44AC 941 serving as the DPU on a south bound train going through the yard at Manchester.