[MOC] LEGO HŽPP Končar 6211-001 battery-electric multiple unit

[Ashi Valkoinen]

Hello all!

Since this LEGO train MOC of mine has nothing related to Hungary, I guess it deserves its own topic here, on Eurobricks.

To be honest, it is a decade long story ended today when I installed the final bricks to this MOC.

All the thing begun when I had a girlfriend in Croatia (yes, such a clever life choice for a Hungarian guy), and since I spent a lot of time in Zagreb, of course I had the chance to see and travel Croatian rolling stock. At those time Končar already made the two prototypes (suburban with 8 doors on each side, regional with 4 doors on each side), and the prototypes were followed by the 6112.2 and 6112.3 sub-series as well. I was really amazed that Croatia made it and they kept their vehicle-production and succeeded to develope their own electric motor units. So I made those train in LDD:

Looking back at those trains, I developed a lot and also started to make measurements and calculations in scale before building any two bricks together.

Maybe you noticed it has some green colours and only three modules. As a decade passed, Končar didn't stop developement and they displayed they new trains at the end of 2024. A two-section battery only motor unit was taken to Innotrans show (6012-001), but they made a battery-electric hybrid as well, consisting of three modules. This is 6211-001, and I chose this sub-series from the motor unit family since it can run unelectrified tracks, but has pantograph as well (all, really, ALL my train MOC representing a powered train do have pantographs). It is an important reason for me, because we in our LUG do this hobby as railroad modelling, and the rural lines with no overhead wires and poles are not allowed to be driven by electric locomotives, only steam, diesel or battery trains are allowed to run on them. So at all our shows some tracks at our layout was out of my reach, but now I have a train to explore the world on our rural lines, too! It also meant that I'd buy tons of green and bright green neck brackets - not a cheap part!

This URL showcases the real train - unfortunately, I had no chance to see it in real:
https://www.hzpp.hr/en/first-battery-electric-train-in-operation

The refurbished front cone - this looks so much better compared to the old one:

And how it looks with real bricks:

The front lights use LEGO Power Function ledlights, and the usual light transmitting cable were used for light piping to the edge of the train, while the ledlights themselves are far inside the front cone. The relatively new piece bricks 1×1×2/3 with open stud help a lot with hiding the light cable! The green thing around the front window is hose, rigid 3 mm in 10 studs length - the 20 studs long version would have been better to have all the pattern from one piece but it was extremely hard to make them the right curvature, so it was easier to start with two halves.

The front modules being built - note the old type of hinge plate (with two or three fingers) in the colour of green! I really like to collect rare of officially never existed, but LEGO parts - I bought these years ago just to have them in my collection and by building this MOC I actually found a good use of them!

And as we move smoothly from the front to the side of the train I can tell you that the front cone was an easy thing compared to the sidewalls of the train. As travelling to Zagreb this May I measured some patterns on the real trains, not the battery one, but the blue and red ones, and it quickly turned out, that the bi-coloured pattern (green-red in my MOC, red-darkred in regional, blue-darkblue in suburben sub-series) has the height of 43 cm. I build in 1:45 scale, so one plate in LEGO represents 14,4 cm of the real thing (3,2 mm × 45 = 144 mm), so 43 cm is very close to three plates (43,2 cm). And both colours have the same height, so one colour must be 1,5 plates - this made this build horrifying. Brackets can be used, but I also wanted to have interior with seats inside - and not only the green-red pattern under the windows, but the white-red pattern above the windows have the same dimensions. So, lot of brackets (one row of smaller neck bracket, one row of larger regular 1×2 - 2×2 or 1×2 - 2×4 brackets to save space), and no connection between the different sections of the sidewall. I came up with a solution in LDD, but I am really suprised that things built up digitally hold in reality, too:

The photo above shows the construction of the middle car and the layers of bracket - standard LEGO seat were placed on the top of the red brackets.

The train has one BuWizz 3.0 control unit inside, located at the toilet part, two Powered Up train motors work for driving, 6 pairs of PF ledlights for front/tail lights and 3 pair of PF ledlight for interior lights.

I hope you liked the walkthrough and if you do so, please leave a comment here to let me know. Critics, as always, very welcome.

 

Edited Monday at 06:20 PM by Ashi Valkoinen

[zephyr1934]

Another great job crafting difficult curves. All that snot is both clever and crazy

[Selander]

So well designed, and built !!! Masterclass 🙌👌👍

How long is the light transmitting cable you use for the lower front lights ?

Edited Monday at 07:16 AM by Selander

[Thomas Waagenaar]

That looks really impressive! The front is definitely my favourite part! 

How did you get the rigid hose to stay in that shape even? O:

[N1K0L4]

Great model!

Greetings from Zagreb 

[Ferro-Friki]

Impressive MOC! These modern rounded trains are not easy to make out of Lego… Great job sculpting the nose, the green hose around the windshield looks fantastic.

5 hours ago, Thomas Waagenaar said:

How did you get the rigid hose to stay in that shape even? O:

I was asking myself the same thing!

Working with half-plate measurements is a pain, but so worth it for accuracy. Besides brackets I find panels on their side to be very useful.

Also, I love all the texture on the roof, it looks amazing. It’s hard getting good reference pictures for that.

 

[Feuer Zug]

Incredible build. Great attention to detail and making the lighting work while hiding the wires.

[LL1982]

Wow that nose is a great piece of work also with that hose so shaped. Really stuff to stripe for one day.

What do you mean with a light tansmitting cable? 

You mention two pu motors on buwizz and all those PF lights. Ive seen those buwizz blocks, so they can power a lot but how do you manage two engines? I figured that only worked with pf and that inverted switch.

[Ashi Valkoinen]

10 hours ago, zephyr1934 said:

Another great job crafting difficult curves. All that snot is both clever and crazy

Thank you, zephyr! Was a long journey with this MOC, and honestly it is good to see the same nicknames here, at the forum. :)

9 hours ago, Selander said:

So well designed, and built !!! Masterclass 🙌👌👍

How long is the light transmitting cable you use for the lower front lights ?

Thank you! The cables are running through 4×  1×2 round plates, 3×  1×1×2/3 bricks with open stud, behind an 1×2×1 panel, curving inside for a headlight brick. The are approx. 16-16,5 plates = 6,4 - 6,6 studs long.

8 hours ago, Thomas Waagenaar said:

That looks really impressive! The front is definitely my favourite part! 

How did you get the rigid hose to stay in that shape even? O:

The whole windscreen module can be taken off easily. The hose is held at two points by 1×1 tiles with clips - in the middle, at the bottom and on the side of the windscreen. I gently pushed the hose agains my index finger, the curvature created like this exactly matches the curvature I needed. After shaping the bottom curve evenly, I overcurved it a little bit - rigid hoses tend to get less curved over time. When this was done, I locked it with the 1×1 tiles with clips so they stay really solid at their position. I bought 10× 10L rigid hoses because I knew it may be tricky - now I have 6 leftovers since all the four hoses used on the two fronts came to shape at the first attempt, no hoses were wasted. It requires patience, tho, and even more patience when you build them digitally. :D

[LEGO Train 12 Volts]

Wow, beautiful train and great solutions!

I also worked on a similar model, but I never have the time (or inclination) to post it.

I like the lighting system and the interior lighting, as well as the front end with its appropriately curved rigid hoses.

[Ashi Valkoinen]

3 hours ago, N1K0L4 said:

Great model!

Greetings from Zagreb 

 

Thank you! It everything goes well, there will be a railroad modelling event in Zagreb, second weekend of May at Family Mall, and our LEGO train groups MLVK (Hungarian L-Gauge Club) is also invited, this event is a good reason to build a train not related to my Hungarian fleet. I'll bring also my Končar TMK2200 narrow gauge tram, too!

2 hours ago, Ferro-Friki said:

Impressive MOC! These modern rounded trains are not easy to make out of Lego… Great job sculpting the nose, the green hose around the windshield looks fantastic.

I was asking myself the same thing!

Working with half-plate measurements is a pain, but so worth it for accuracy. Besides brackets I find panels on their side to be very useful.

Also, I love all the texture on the roof, it looks amazing. It’s hard getting good reference pictures for that.

 

I was stuck with the roof for weeks, I went around all Youtube videos I could have found about the battery-electric train, but of course, everyone is filming next to the train tracks so no roof details could have been seen from those videos. I found a drone footage at the site of HŽPP accidentally, the resolution was low but at least I got the idea of the position and estimated size of the dark gray, light gray boxes, the copper-coloured cables, cylinders on the top. Could be much more accurate if I can go there and take a couple of photos and videos of the roof. Unfortunately, the electric only trains are not good references, as they feature much less equipment on the top because of the lack of the batteries.

1 hour ago, Feuer Zug said:

Incredible build. Great attention to detail and making the lighting work while hiding the wires.

Thank you!

1 hour ago, LL1982 said:

Wow that nose is a great piece of work also with that hose so shaped. Really stuff to stripe for one day.

What do you mean with a light tansmitting cable? 

You mention two pu motors on buwizz and all those PF lights. Ive seen those buwizz blocks, so they can power a lot but how do you manage two engines? I figured that only worked with pf and that inverted switch.

Light transmitting cable is an old "hose" type LEGO part. It is a long, semi-transparent cable, which is used to carry a single ledlight somewhere else. Here you can find them on bricklink:

https://www.bricklink.com/v2/catalog/catalogitem.page?P=x400c12#T=S&C=12&O={"color":12,"iconly":0}

It has a diameter of 3 mm, so you can put them through open studs, it is flexible, you can bend it as you want. The LEGO Power Function ledlights have quite bulky heads, and they simply don't fit next to the sidewall of the train. So ledlights are deep in the model, and the light is delivered to the bright green round plates using the cable linked above.

BuWizz 3.0 units have 2 PF and 4 PU ports. Each PU train motor is linked to one PU port, the PU port are linked to the same throttle I use to drive. BuWizz settings enable to customize "Power Curves" (it is a function you connect "Throttle output - motor output". For one of the motors I reversed the power curve.

Like:

Motor "A": Throttle (-1) -> Motor (-1); Throttle (0) - Motor (0); Throttle (+1) - Motor (+1) this is a linear function f(x) = x
Motor "B": Throttle (-1) -> Motor (+1); Throttle (0) - Motor (0); Throttle (+1) - Motor (-1) this is a linear function f(x) = -x

So the PU motors facing opposite direction will go to the same thanks to the setting of the Power Curve. 

[Ts__]

I love these kinds of SNOT orgies... ;-)

Anyone can just stack bricks, but this turns the whole thing into a work of art.

I like your ambition not to work with stickers, and I'm excited to see at which event I'll get to see this multiple unit train.

 

Thomas

[LL1982]

@Ashi Valkoinen thanks for the elaborate reply. I did not know about these parts. Buwizz sounds interesting 🤔 expensive but rechargeable. 

[Ashi Valkoinen]

On 12/8/2025 at 8:14 AM, Selander said:

So well designed, and built !!! Masterclass 🙌👌👍

How long is the light transmitting cable you use for the lower front lights ?

I made some photos of the light solution as well, so you can see, how the cable is wired in the front:

 

[Selander]

Thanks a lot, I appreciate you took these photos! Really clarifying...🤗

Edited 8 hours ago by Selander