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.

Apr 1, 2010 · The M7 is the LIRR version, the M7-A is the MNRR version. The only difference between the two is their third rail capability.

M3A and M7A cars draw power from 650 V DC third rail with under-running contact shoes. M8 draw power from third rail, both over- and under-running, or 12.5 kV 60 Hz and 25 kV 60 Hz AC catenary.

The M8 is an electric multiple unit railroad car built by Kawasaki for use on the Metro-North Railroad New Haven Line and the CT Rail Shore Line East. The fleet of 471 cars first entered service in 2011, replacing the M2, M4 and M6 cars, which entered service in 1973, 1987 and 1994, respectively. [9] .

Jun 30, 2008 · The M7 was built as two separate but similar models due to the different electrical and signaling systems on the LIRR and Metro-North. Their most notable differences are in third rail shoe design between the M7 and M7A.

Feb 2, 2009 · The LIRR Arch Street shop in L.I. City does warranty work and/or modifications/repairs for both the LIRR and MNRR M7's. FWIK, the shop is staffed by Bombardier employees who perform the work on the cars.

Jul 18, 2020 · While currently on board a M7A, I just wanted to really talk about how the LIRR has so many minor differences on board when being compared with the Metro North. The first difference I want to highlight is the lack of the dual chime before ASI announcements on board the M7A, and even the M8.

Jan 20, 2010 · I see what your saying but if you watch a MNRR M7 the green light will come on and then you hear the whine like 5 seconds later.

The M7 electric multiple unit was built in the early 2000s for both of the MTAs commuter railroad agencies; the LIRR, and MNCR. This pack comes with both versions of the M7.

Mar 1, 2011 · M7A on MNRR was a bomb train about 1,5 week ago btw, so that says something too. LIRR's M7s and MNRR's M7As can run at the sames speeds, because they are the same train. MNRR just has the new and improved versions.