Can anybody help me identify this part?

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    Following the instructions bricks.stackexchange.com/questions/154/… and without any info (is it new? old?) nor having it in hand (turn around and read number): Go to e.g. Rebrickable, there do search with restrictions: 1/ has appeared in white, 2/ exclude printed parts. Now you get too many results ("1000" = maxed out); so split time in sets that give less than 1000 results (1945--1995, 1995--2001, 2001--2005, ... some 8/9 setc), then leaf through the 9--10pages each gives... So by chance, it appears on page 8 (of 9) for the 1945--1995 search... pff. Commented Oct 15, 2019 at 14:12
  • OK the above can be sharper (no need to overlap years, so 1945--1995, 1996--...), and faster using the Categories (I'd guess: "Panels", "Angled plates", ... the correct choice "Transportation" I wouldn't have guessed but it contains so any that I'd included it)... Maybe Brickowl is easier; you'd want multi-category-select for one search. Commented Oct 15, 2019 at 14:15

1 Answer 1


That's a rather old part (50 years, actually) used mainly for tipper buckets in trains or trucks, you can see it in this train for example:

enter image description here

Its part ID is 3145.

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    Thank you very much.
    – user13171
    Commented Oct 14, 2019 at 10:56
  • I'm really interested to know how you did to find that. That's impressive! I'm not a Lego expert at all, but reading the comments of user3445853 it seemed really difficult. Commented Oct 15, 2019 at 19:03
  • Well, my first LEGO train, 171 had two in red, so with that info it was rather straightforward. Aside from that, there's a question on the subject with a very good answer but let's face it, sometimes it's just a matter of remembering the part at all.
    – Joubarc
    Commented Oct 15, 2019 at 19:25

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