It is many full sized Electric EP5 engines, Some new trains.

On the two far inside track are still two American Flyer original steam engines with all American Flyer rail cars, the next one in is a Lionel made for S gauge EP5 engine, with their sound system and I got a matching caboose of NH on the end. Now on the track 4 of the O gauge, is K-line EP5 with their own sound system, but on this train all of the rail cars are New Haven branded, they also are all made by Menard's as well as the cabooses with the rear red flashing lights. Track 3 is another same K-line Ep5 with their sound and lighting system. Track 2 is a complete set by MTH with a EP5 engine and 5 deluxe passenger cars. It has a different sound system. Track one is a K-line EP5 with the Lionel sound system. On all of these the original K-line horn that sound like a old train whistle is the way the real ones sounded. Some operators of the real train did change them out to other horn sounds. Years ago I did not want any of the electric engines since I do not have the top wire system. Then I bought one. Now I have many... The neat thing about all of these O gauge ones, except the MTH one, they are all 12 wheel drive. That buzzing sound from the MTH one I don't know if it supposed to sound like that as a sound effect of the electric blowers, or if it has a electronic circuit problem, on my net run it might be replace with a EP5 K-line engine. Now on the S gauge ones The one I bought made by Lionel is also 12 wheel drive. It also has 4 rollers between the wheels for better electric track contact, the other models use a slider. Other S gauge version are 8 wheel or just 4 wheel drive. RE: MVI 0904