Tatra 4×4 T815

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33 Responses

  1. KAKwiatkowski says:

    Nico, I realise that this is an old project (6yrs), but could you make a part list for it or an LDD file (the one uploaded in comments doesn’t work) so we could know what parts we miss etc, as I want to do the MOC.

  2. ron says:

    Hello Nico.
    Nice truck!! How did it perform in the competition?
    By any chance, did the bevel gears slip when the truck had an obstacle? Another thing, does the PF XL motor carry the 94.8 x 44 mm wheels comfortably or would it need to be coupled to an extra motor?

  3. John says:

    Hello nico i saw this and i thaught the steering could be remade so im trying hard to build a similar but different steering. =)

  4. Nico71 says:

    Many thanks for your contribution ! Regards.

  5. Dave says:

    I have created this truck in Lego Digital Designer and posted it to my webpage. It will generate a parts list and more detailed instructions.


  6. austin fretschel says:

    hi nico! my name is autin fretschel. i love to build lego trial trucks but there are no races ina merica. another thing is that i am building a lego tatra. i need some help with the winch and back bed. thanks

  7. Nico71 says:

    Sorry, no, this steering is accurate and reliable, what we expected of a Trial Truck steering.

  8. mattheas says:

    could you make a better version of the suspension.

  9. Ryuduck says:

    i’m your fun but in this model the sterring don’t function very well can you help me with this problem? thanks

  10. Ryuduck says:

    really tank for this chassis, I don’t used power+functions but I have used rc unit with old 9v motor from the set 8475 and I add another rc motor…now it’s a very beast

  11. devon says:

    hellow i am a big fan of your models can you make more detailed with these instructions

    Thank You

  12. Nico71 says:

    Bien sur, pas de problème / Of course, no problem.

  13. LegoMan7242 says:

    excuse-moi nico, mes es-que ce serais possible que je prend ta cabine de tatra ? je veux en faire une mais je peux pas réussir.

  14. Heman says:

    I was in the process of building this truck and I tested it when the drive and steering where completed and the differentials crack, I use the small universal joints that Lego has made and I added some parts to make the axles more strong. Can you help?

  15. all about LEGO says:

    and good luck whith your next model i hope it goes well and i hope you put instrucs for it.

  16. all about LEGO says:

    right ok but i have never used it in sand,mud or water.
    i guess its just i dont build things good enouth to make them exellant but but i have used it alot and in alot of stress and once overheated so it mussed be that.

  17. Nico71 says:

    Hello, I don’t think that XL become used after 2 years. Maybe do you have used your motor in agressive environment (dust, rust, sand) ? So you motor should have the same power even if they are two-year old. I hope I have respond correctly. Regards

  18. all about LEGO says:

    hello nicolas but i have a big question when XL motors get old,do they also get weaker? i have had mine for about 2 years now,would it still have the same power as it used to? thanks if you reply correctly.

  19. Robin says:

    This is a great lego replica of a tatra 4×4.

  20. admin says:

    I think it is possible. But, I know that the steering is not perfect, les pulleys slip. Regards

  21. Mehley says:

    Hi Nico,

    I have just finished this Truck, thanks for the instruction photos! This vechicle looks great, I love the design and the suspension as well. Do you think it’s possible to make the driving system with knob wheels? Because the 12 tooth bevel gears and 20 tooth gears easily slipping in case of high torque.

    Thank you,

  22. admin says:

    Sorry, I don’t have enought part to sell one copy and keep my own parts. You can go to bricklink.com and purchase all you need, then follow the building instruction and you will have your copy of my tatra ! Regards

  23. Erik F. says:

    hi, i was wondering if it would be possible to get one built for myself, as i don’t have the access to the types of parts that are need. i don’t need it to be motorized, as its going to be on my work bench and such for display. I’m a huge fan of Tatra’s. I’m willing to pay a reasonable amount if need for parts(including mailing and such)
    thank you.

  24. Marek says:


    I build up this amazing model, great job!
    Have one concern regarding steering, compare to Unimog V3 steering it is too weak and too fast, did you somehow enhance it?
    I will try to reduce the M motor RPM and will see if it work.

    Again Great work and thank you for sharing your ideas.


  25. admin says:

    You can check the Instructions folder on brickshelf to watch all pictures you need.

  26. Zebadiah says:

    If you could make more detailed photos or even building instructions for the basic tatra type chassis that is included in this trucks folder on brickshelf, it would be great

  27. admin says:

    Yes you can. Regards

  28. David says:

    i dont have that ball joint can i use the normal gray one instead in the steering

  29. Manuel says:

    grüße nico
    gibt es für deinen tatra einen plan würde ihn gerne mal nachbauen
    mfg manuel

  30. T_Tank says:

    This is a very amazing model I finally got most of mine put together with a few substitutions for some of the lifts arms for the truck my only question is how do you keep the drive pulley for the steering from sliding out of the motor did a few test drives an it keeps slipping out.

  31. admin says:

    Check the post to see the link to the building instructions. Regards

  32. Kris says:

    Wow, realy amazing!

    i like the steering, thats not easy!

    Good Job!

  33. T_Tank says:

    I was wondering if it be possible to give a list of which elements an how many were used in this model.

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