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8404 Tram modification: 9V Motor Installation
How to motorize the Tram of Set 8404 with 9V ? Look here, it works ! Just be sure to remove the axle of the front/rear compartment which is closer to the coupling and build the "Frame" around the motor stable, because it is only "hanged" on these 4 hooks on the front sides of the motor. The middle compartment is enlarged with 4 studs. There are connectors in the gaps between the compartments for the paxes to walk through the Tram. Have fun and enjoy motorizing your own tram and let it run on the 9V tracks ;-)
About this creation


 I made it 
  March 29, 2012
Hi Claudio. Thank you for your comment. For the orange bumper I used and Regards, Tom
 I like it 
  March 28, 2012
Nice work. The other red, yellow and orange trams we see in the gallery are also great. How did you do the front bumper of the orange one? The images for that one are fuzzy
 I made it 
  January 15, 2011
Hi Alex, what you need, that depends how you want to modify the tram. I did some additional things. What you need is: 2 more trans black panels 60581 or 4215a/b. Blue tiles: 2pc 2x2 and 4pc. 2x1, white brackets are the same amount as in the original set. 4 white bricks 2x1, use the bricks 2877 with the grille structure. The black bricks between windows and brackets: 2x2 studs extra, the best way if you find 2pc 1x10 bricks 6111. For the frame around the motor you need 4 plates 1x6 black, 8 plates 2x1 black, 12 bricks 1x1. You need an additional roof part 32083 "Blue Slope 45 6 x 4 Double" or a plate 4x6 blue + 2 plates 2x4 blue + 8 slopes with grille 61409 to enlarge the roof 4 studs. You also need an additional "Lamp" transparent boat glider 2654, a plate 1x10 (instead 1x6) light gray, 2 tiles 1x8 ( instead 1x4) dark gray, 2 more black tiles 1x6. Copy the roof from the other compartments. For the bellows at the head compartments you need: 8 bricks 1x1 extra, 8 bricks 47905 or 87087 black, 2 tiles and 2 plates 2x1 and 4x1, 4 tiles and 4 plates 8x1 to build a 9x4 frame. 2 tiles 2x1 will be left over from the enlarged middle compartment. To arrange seats in the middle compartment you will need 1 technic plate 2x6 32001 black (click it on the boogie pin), 2 more seats blue, 2 jumper tiles 3794 red, 4 plates 2x2 red, 2 tiles 2x1 red, 2 plates 2x4 black. Regards, Thomas
 I like it 
  January 8, 2011
I really like the modification. I have ordered the 9V motor (which btw you can't purchase from anymore), but would be also interested in the bricklist for the additional pieces needed to implement the changes to the middle compartment. I know it's asking alot, but would otherwise have to do it from the photos you posted, and I always run this risk of missing something and having to submit yet another brick order!
 I made it 
  December 27, 2010
Hello Mac Thanks or the nice feedback. I tried the 5 compartment tram, but looks ugly. I disassembled already the additional compartments, I didnīt like it. Better you enlarge the three compartments or make a double tram with coupling. Regards Thomas
Thomas Reise
 I like it 
Mac Ottlinger
  December 26, 2010
Very nice. I'd love to see your five car tram, along with pics of the tram at a display. i did the same to my tram and would just like to say thanks for uploading this fantastic MOD.
 I made it 
  December 19, 2010
Hello Eric, I was disappointed, that this set had no motorisation prepared. Thank you for the nice feedback. I also now have a PF version, similar to the 9V version. If you need details, let me know. You can also couple a second tram together with one middle motor tram, the second one has only a placeholder for the motor and it also runs perfectly in both directions. Two motors for douple tram are not needed. You can find in the following links the way of coupling two trams together and the replacement / placeholder for the second motor: Regards Thomas
Thomas Reise
 I like it 
Eric C
  December 17, 2010
I was disappointed that the set did not feature Power Functions. I prefer 9v, and your implementation is superb. By putting the motor in the center, it would run equally well in both directions. Excellent!
 I made it 
  December 12, 2010
Hello Jon nzlegofan I checked your tram modification. It really looks nice, also with the longer compartments. The little train wheels start squeaking after a several rounds on the track. A little drop of lubricant helps. I run one of my trams at Lego Fanwelt 2010 in Cologne on the High speed track facility of Holger Matthes and friends. No Problems, no noise and no wear at the Axleholders. Next I will try to build a 5 compartment tram and see, how it looks like. Did you see already my other trams in different colors (not at mocpages): ? There you see also a way to couple two trams with a short coupling together. The magnets you can forget, it looks ugly - I tried it. I have also a Powerfunction Version of the tram. Middle part 4 studs longer, as seen here, battery box on top of Motor, IR-Reciever in one of the head compartments. Many people from germany and switzerland told me, they motorized their tram the way I did it. This makes me proud ! It is also nice to hear it from you and it was the basement for your advanced Version. Thank you ;-)
  December 11, 2010
Nice work on the motorised tram, I made mine up like this too, but now I just completed my new version of the 8404 tram, motorised, lengthened and with 9v wheels (I replaced the mini train wheels).
 I like it 
  November 1, 2010
Nice job on the modification! I just built this last night and am wondering if you have a bricklist of the additional items needed to customize and extend the middle car to make room for the motor?
 I like it 
  August 9, 2010
cool i want that set im going to get it september 30th!
By Thomas Reise
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