The M7 is an electric multiple unit railroad car built by Bombardier for use on the MTA's Long Island Rail Road (LIRR) and Metro-North Railroad. With delivery beginning in 2002, the M7 replaced the M1 railcars on both railroads as well as the ACMUs on Metro-North.

2025年2月4日 · An M7 remanufactured as a M7D model “DMU” would be very valuable to the short haul commuter lines and upstarts whose lines are 1) too short to justify full Loco haul diesel.

dmu一般由 柴油发动机 透过齿轮带动，但亦存在有“柴电动力”（demu）的设计方式，其柴油发动机所产生的动力完全只被用在产生电力上而不与车轮组之间有任何实质连结，再以电力驱动位于各动力车厢转向架上的 电动马达 来产生推进力。动力分布式列车的 ...

2021年4月19日 · In the first phase, expected to last eight months, technicians will evaluate specifications for batteries and where they could be placed aboard M7 cars. They will study the physical characteristics of the Oyster Bay Branch and the Port Jefferson Branch including hills and distances between stations and evaluate sites for recharging stations.

2021年11月13日 · Some of you may remember this concept of an FRA compliant DMU produced by Bombardier based on the M7 from the late 2000s or early 2010s. From what I heard, this unit was originally proposed for the LIRR and Oregon Department of Transportation (likely for WES Commuter Rail), but no orders of this model were delivered.

2021年4月21日 · The prototype BEMU will be a two-car Bombardier M7 with four of the train’s eight traction motors (one per axle), which normally draw power from 750V dc third rail, retrofitted with battery propulsion.

MBTA’s Bombardier M7 undergoes second day of testing on the LIRR.This required test involved Emergency Braking, Speed Testing and ATC Track Testing. All in p...

2008年12月13日 · The M-7 is an electric multiple unit railroad car built by Bombardier, with delivery beginning in 2002. The cars were ordered by the Metropolitan Transportation Authority (New York) for the Long Island Rail Road (M7) and Metro-North Railroad (M7A). They replaced the M1 railcars, which had previously provided electric service on these lines.

MBTA Placed an order for Bombardier M7 E/DMUs for their Boston to Providence Route.These cars will be in service, hopefully by July. They are currently testi...

Management of urban transit systems should aim at the provision of a convenient transit service with adequate levels of ride quality (time and cost), users’ comfort and safety.