Trailer Tr4 MkII 8258

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Model "Trailer Tr4 MkII 8258” is build with LEGO® in scale 1:17,5 and motorized using LEGO® Power Functions. It is not build after a specific brand or type of trailer. This build represents a three axle detachable gooseneck lowboy trailer with liftable third axle.
This specific version of "Trailer Tr4 MkII” fits and works perfect with LEGO® Technic set 8258 Crane Truck. This LEGO® Technic set 8258 Crane Truck needs to be slightly modified. Free instructions on how to modify your set are available!

The trailer features: solid axle suspension on all axles, one set of lights, kingpin, mechanical parking break, gooseneck frame support, remotely controlled liftable third axle, remotely lowering and lifting of the deck and this model has many details.

This newly design and engineered trailer utilizes the same suspension as both "US Truck T1 MkII" and "US Truck T2 MkII". It uses LEGO® rubber belts and LEGO® rubber axle connectors.
Designing and engineering this trailer parts availability is checked. So it can easily be build in the color as it is, Yellow, but it can also be build in Red, Blue and Black.
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MOC-2273

Name Trailer Tr4 MkII 8258
Designer Ingmar Spijkhoven
Designed 2014
Inventory 1461 parts
Theme Technic

50 COMMENTS

  • 1 year, 3 months ago e67793616 Level 4
    Hello Ingmar,

    Was just wondering if this will fit 42043's B model.

    Thanks in advance
  • 2 years, 1 month ago polo Level 4
    Hi it' me again I bought this plan on mocplans.com But can not get them since they merge her at rebrickable.com
    Pls send me nfo on how to downoad plans
  • 2 years, 1 month ago garylmt Level 2
    Bonjour je suis a la recherche d'un vendeur de pièce lego d'occasion en france !
  • 2 years, 1 month ago sliver65 Level 10
    Hello,I now have the mack anthem.bekomme the trailer synonymous behind or I have to take the other version of the trailer? what is the difference between the two trailers? the only one for the 8285 and the other for universal vehicles?
    • 2 years, 1 month ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
      Hello the difference between the "normal" version and the 8258 version is that the 8258 version has a higher gooseneck. Please be aware that the Mack Anthem has a total different scale! It does not combine with my trailer at all!
      • 2 years, 1 month ago sliver65 Level 10
        for the trailer I have the 8258th I will build now first. then it goes on slowly. They are not cheap either. my stock of parts is not enough.
  • 2 years, 8 months ago virgule972 Level 12 MOC Designer
    Hello,

    I realized this project as well as the jeep and booster.
    The result is simply spectacular.I have made some changes to ensure more rigidity in some places.I use it to transport the Volvo L350F Lego 42030 and more, by having full motorized the Lego set 8258.

    Thanks Ingmar

    Sorry for my low skills English.
    • 2 years, 8 months ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
      Hi again! Again a wam tank you and you're most welcome! You're English is fine with me :-)
      Yes it does feature a jeep and booster which will "boost" the entire combination up to about 2 meters of length... ;-)
      Cool that you have it motorized. Are there instructions how to do this? Lot's of customers ask for it...
      Cheers, Ingmar Spijkhoven • Custom Brick Models
      • 2 years, 8 months ago virgule972 Level 12 MOC Designer
        Unfortunately there is no instruction to motorize this set. I looked everywhere what others were doing and I realized my own version, I still have improvements to make on but everything works fine.
        If I can help others, there is no problem.
        Regards
        • 2 years, 7 months ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
          In Dutch we have this expression that says: "better late then never". Well that applies to this reply I guess.... I'm so sorry for my late reply, got hooked up with so many other things to do...

          I am very happy to read that you have managed to get it motorized. By now you probably have improved it as well as you mentioned in your comment...

          Cheers, Ingmar Spijkhoven • Custom Brick Models
          • 2 years, 3 months ago virgule972 Level 12 MOC Designer
            Hi Ingmar,

            Do you sell the instructions for the road train elphinstone easyloader?
            It is very nice and looking for it.

            Regards
            • 2 years, 3 months ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
              Hi! No I don't and I'm not sure that'll ever happen. There are a lot of techniques used that aren't to be covered with image building instructions. Well we'll see... :-)
              • 2 years, 3 months ago virgule972 Level 12 MOC Designer
                thank you for the answer

                I hope there are instructions in the near future ...

                MOCplans no longer exists, how can I access the instructions I bought?

                Thank you
  • 2 years, 9 months ago Abbel64 Level 13
    Attelage de reve 
    Mon futur projet
    • 2 years, 9 months ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
      Hello, I am sure what you wrote is positive, but I can't read it... :-) Could you please write in English?
      • 2 years, 9 months ago TeagueO Level 24 MOC Designer
        That translates to: Dream hitch.  My future project.
        • 2 years, 9 months ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
          Cool! Thanks for your support...
          • 2 years, 9 months ago TeagueO Level 24 MOC Designer
            It is really cool, out of curiosity do you build these MOC's digitally or in real life?
            • 2 years, 9 months ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
              Thanks! Most of them start in real life. Digital building is used to find out what parts to order from BL :-)
    • 2 years, 9 months ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
      Thank you very much for the kind words. Great that it'll your future project...! :-)
      • 2 years, 2 months ago Karatesteve Level 4
        Hi. Are you able to send me this kit with instructions. I have been looking for hours how to get this trailer.
        • 2 years, 2 months ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
          Hi there! Yes I am. What do you mean by that you've been looking for hours then? I'm here to help you so let me know... :-)
  • 3 years ago durytsky Level 11
    good invention
    • 3 years, 1 month ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
      That is cool and thanks for your interest and possible support...

      Did not try it myself, but I assume it can be operated manually as well. You have to see for yourself how to do this, but I what I'm pretty sure of is the use of a distribution gearbox won't be possible...

      I have seen people use a Technic Liftarm 1 x 3 Thick #32523 instead of the part #6571 and Technic Pin #3673 instead of Technic Towball Pin #6628
      Basically same functionality, but way cheaper...you could look into that for sure... :-)
  • 3 years, 1 month ago philbios Level 5
    This looks fantastic! I've got the 8258 set and plan on building this trailer for my Unimog and the excavator.
    • 3 years, 1 month ago philbios Level 5
      I also wanted to ask something (and maybe this is a bit of a no-no on this forum), but if I cannot locate certain parts, can I source the 'fake' Lego pieces (e.g. Lepin brand) instead? I would assume that the cost of purchasing all the necessary pieces might be prohibitive for some enthusiasts...(?)
      • 3 years, 1 month ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
        Personally I don't mind you asking this here and let me try to answer it...

        You are right that collecting all needed parts might be quite expensive, but this kind of depends on how big your collection is at the moment. Besides this could it be rewarding to buy Used parts instead of New parts, but make sure they are of good quality.

        Sourcing fake LEGO brands might be an option too. My main worries about these fake brands is that in the end people might end up fake brands as actual LEGO pieces on for example BrickLink.com. That would be an issues, but in itself I don't care wether you use LEGO or fake pieces.

        One other thought is that my build uses some older parts that are only produces by LEGO...
        • 3 years, 1 month ago philbios Level 5
          Thanks for your reply. I'm only asking this question as I'm currently living in China, and my Lego collection is in storage back in Australia! New Lego sets are readily available here, but the 'enthusiast' market is nowhere near as developed as in European / Western countries. The price of Lego is high in China, and individual pieces are VERY hard to source. There are a number of companies doing Lego copies, and these are quite cheap. Yes, the quality is sometimes questionable, but for the price and availability, I'm wondering if this is the only real way I can do MOCs. Thanks again!
          • 3 years, 1 month ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
            You are most welcome and reading your reply I can only say please feel free to do what it best for you. No one is to judge your decision, it is that easy! :-)

            One thing remains is that I'm not sure all parts required for this trailer is available in fake LEGO...
            • 3 years, 1 month ago philbios Level 5
              Yes, I think you're right about the parts. I might need to make a few small modifications to your awesome design in the absence of some of the parts being available here. It's nice that the designer is communicating with people who love his designs! Thanks again...
              • 3 years, 1 month ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
                Again you are most welcome, for me it so obvious to communicate with "people who love my designs" :-) Basically it is after sales management and I find that important...!
                Good luck with the build and with the modifications and please keep me informed with the process...! Would love to see what you will make out to this! ;-)
                • 3 years ago philbios Level 5
                  Hi again, which remote control do you use for this model? Do you use the twin-stick 8885? Also, does it matter whether I use the V or V2 receiver? Thanks...
                  • 3 years ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
                    Fair question! The reason I didn't add any remote is that most people with Technic sets do have one or more already... Maybe I should add it anyways so people know which one to use :-)

                    Yes indeed the twin-stick is just perfect! No it doesn't matter which receiver you use, both are perfect for this build...
    • 3 years, 1 month ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
      Thanks so much for the kind words and I think it doesn't only look fantastic, but it really is! :-) It suites 8258 perfect so that would be cool right?
  • 3 years, 2 months ago Hasvik1 Level 5
    I need the instructions and overview of the parts to make 8258, 42009 and 42043 this one full radiokontrolert (rc).
  • 3 years, 3 months ago abaudry Level 2
    Hello,
    I am French and saddened for my English but it is of the Google translation
    First of all your model is brilliant, I feast to make it! Bravo!
    But I am up to date 52 and on my 3 axles there, both first ones have shock absorbers while the last one (most behind) has little shock absorber because he is kept by the engine which makes go back up the last wheels.
    Yet, on the video, we have the impression that 3 axles have even shock absorbers!!!!
    Is it normal either have I make an error of assembly ?
    Thank you for the answer and the good continuation
    abaudry
    • 3 years, 3 months ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
      Hello Abaudry,

      Sorry for late reply, somehow I missed you message. Thank you very much for the kind words!

      All 3 axles have shock absorbers. You are right, the video shows it correct! Perhaps you made a little mistake. Can you please go check your build. Pay close attention to the instructions... :-)

      Thank you one more time and you are welcome!

      Ingmar
  • 3 years, 4 months ago jgresham75 Level 2
    Hello,
    I have purchased this MOC and was wondering do you have a solution for the 6571 (needs 6)? That part is very expensive in the US. I had to buy 2 for the T12 and they were at $8USD. Now they are selling for $12USD and most places only have 2. Do you have any suggestions for change so I don't have to use this part?
    • 3 years, 4 months ago Ingmar Spijkhoven Level 20 Designed this MOC DESIGNER
      Hi, thanks for your support and message...! For now there are other options, but I'm aware of this part being rare and therefore expensive. I do have some spare and I can offer you a Euro 4,95 price each. If I understand you correctly you need 6 more right?

      Shipping for these parts only would be Euro 1,40...

      How about this?
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Building Instructions For Sale

This is a Premium MOC, and the instructions to build it are being sold by the designer (Ingmar Spijkhoven) for €30.00

You will receive building instructions of type PDF - Computer Images from the designer once you have organised payment with them.

Help Guide - BI File Types