Questions tagged [trains]
A popular choice among AFOLs for building their own creations, Trains are now a sub-theme of LEGO City.
148
questions
6
votes
0answers
73 views
Old Lego duplo train not working on batteries
I've recovered my old lego duplo set from the attic, and tried to get the electric train working again. After inserting fully charged batteries, the train does start, but it's unable to pull even a ...
8
votes
2answers
935 views
Minimal mine track
I want to create a mine scene on a 32x32 baseplate. I want to run a train track across the front, and then about 12 studs into the mine. Then, I want to build a couple simple mining carts on the ...
2
votes
1answer
172 views
Motorizing Crocodile Locomotive set 10277 - are there any sets that include hub & motor I need?
Crocodile Locomotive can be powered up by using 1 x 88009 and 1 x 88013. Reviews on hubs and motors strongly suggest it is better, financially, to buy them as part of the sets, not separately.
Is ...
9
votes
1answer
2k views
What are black sausage pieces used for in Crocodile Locomotive set 10277?
After assembly I have these 5 pieces left. Should I have put them somewhere? I can't find any missed step that would use them. So why are these there at all?
6
votes
1answer
242 views
Train with two Powered Up hubs
I'm building a motorized train. The locomotive has two Powered Up train motors, one at each end. However, no matter where I place the hub inside the locomotive, the wires on the train motors are too ...
14
votes
2answers
2k views
How tall is a Lego train on a track?
I cannot currently access any Lego trains, and the product range offered in the trains category in these years is rather ... disheartening. Nonetheless, I do not rule out the possibility that things ...
12
votes
3answers
354 views
Train level crossing using 2021 road plates
I'm interested in integrating a train level crossing into a city layout using the new road plates, but I've been struggling to figure out the best way to do this. Here's an example level crossing for ...
1
vote
2answers
84 views
Remote control for a battery operated train
I have a battery-operated Christmas train and would like to make it remote-controlled but don't know what I need to buy for a transmitter and receiver. Could someone please tell me?
11
votes
1answer
135 views
12V LEGO train tracks splinter
I have an older 12V LEGO train (several actually) but of course the rubber tires wore out long ago.
The trains still run quite well (I even used them as a motor parts in some Technic designs), but the ...
8
votes
2answers
772 views
Options for powering Winter Holiday Train
Is there a way to make the Winter Holiday Train powered without the IR receiver or Remote Control?
I only set it up at Christmas time and just want it to go around the track at the one speed. I want ...
4
votes
2answers
147 views
Does remote control 8879 work for winter holiday train?
Can anyone tell me if the remote control 8879 will actually stop and start the 10254 Winter Holiday Train set?
4
votes
2answers
250 views
Lubricating train axles - which oil to use?
I have a lot of old (80s grey era and 90s 9v) trains. Some of the wheels squeak and many have quite a bit of friction. Sometimes this friction causes the locomotive to detach from the rollingstock ...
2
votes
1answer
322 views
Duplo 10874 engine lacks sound without app
I have inherited this set which works perfectly apart from the fact that there is no sound from the engine. It clearly reads all the colours on the action bricks because, when used with the app, the ...
5
votes
1answer
191 views
Looking for older conducting train tracks
I have an old 9V era (1991-2006) train set that has conducting tracks. Is there a place that I can buy conducting tracks? Obviously I have trolled eBay, Amazon and internet without success.
I can buy ...
4
votes
0answers
125 views
Repairing a 12V switch motor
My son caused me to dig up my old 12V lego trains. Surprisingly they mostly work, except for one part:
https://www.bricklink.com/v2/catalog/catalogitem.page?P=70026&idColor=9#T=C&C=9
This is ...
0
votes
1answer
464 views
Can the Hogwarts Express train be motorised? [closed]
Can a Power Functions motor be fitted into the LEGO "Hogwarts Express" train? I have a spare motor and battery box and would like to fit them into this train.
2
votes
0answers
40 views
Train track design [duplicate]
I have some old lego train tracks from 1984 set: 7715 and I would like to use them with
my latest Lego train set: 60197 to increase the size of my layout, are these tracks compatible?
or can they be ...
4
votes
2answers
390 views
60197 Passenger Train control problem
Weird problem here.
My son has had the 60197 train for about a year and I decided to try out the powered-up app for the first time today.
After what seemed to be some kind of software update, which ...
5
votes
2answers
2k views
Choosing scale for train models: what scale is "L-gauge"?
So, after being a LEGO fan for 40+ years, I'd like to try my luck at building some scale models of train sets (for example, an ICE 2). In planning my build, I ran into some difficulties or doubts ...
2
votes
1answer
276 views
PF: One battery block, one IR receiver, two motors on same port
I have a heavy train with Power Functions. Now I want to use two train motors on the single loco. But as I understand, this is not possible with original LEGO parts? Do I need something like a three-...
6
votes
1answer
165 views
Lego Duplo Train Track Switcher washable? / Best way to clean them?
I've found some pretty old Lego Duplo train track parts, that I'm looking to sell on Ebay.
As these are pretty old and caked with dust, I wanted to used my usual method I usually use to clean all ...
5
votes
3answers
3k views
LEGO train 60198 isn't working
Battery box on my LEGO train 60198 is flashing green and orange, then after few seconds it suddenly turns off itself.
I've tried resetting it by pushing the button on the train until it turns purple,...
5
votes
1answer
93 views
Do Thomas the Tank Engine Duplo trains seat figures?
Lego made Thomas the Tank Engine licensed Duplo sets in the 2000's decade at the same scale as current Duplo trains. Do the Thomas trains seat Duplo figures like current trains do? I've seen some ...
7
votes
4answers
3k views
How to disassemble the propulsion wheels of the LEGO/DUPLO train engine base part# 28743 drivetrain?
I have a push and go motor, also known as Hub No5 model also known as engine base part #28743
The issue I have is that the train can not climb the bridge anymore, unless using the locomotive alone ...
2
votes
1answer
114 views
Does Power Functions 88002 fit a gray-era train and run on gray-era tracks?
Is the Power Functions Train Motor (set 88002) the right height for a gray-era train (set 7745)? Does the Power Functions Train Motor run OK on gray-era tracks?
3
votes
1answer
157 views
Schematic and program listing of 28743?
Looking for more info on circuit board of 28743. E.g. what is the processor used? Would like to be able to reprogram the chip. E.g. program the train to stop on the third STOP directive strip, or ...
14
votes
1answer
2k views
Will Duplo trains fit onto a regular 6 stud LEGO track?
There's a thread here establishing that regular LEGO trains arguably fit onto Duplo track, but have trouble with underbelly clearance.
What about the opposite? Will a Duplo train fit onto six-stud ...
2
votes
2answers
885 views
Looking for a way to connect SG90 servo motor to Lego Technic hole in a brick, in order to control Lego train tack switch
After looking at this question:
Can I remotly control the points on PF train tracks?
I got the idea of controlling the train track switch handle using a servo motor that will be able to move the ...
7
votes
1answer
604 views
Will the Duplo train track extension set 10872 work with Duplo train set 2700?
I am thinking about buying the Duplo train expansion set 10872 Train Bridge and Tracks for my niece, but her primary Duplo train set is actually a vintage 1983 2700 Freight Train set from her father's ...
8
votes
1answer
658 views
DUPLO Train Action Bricks
I have the weirdest thing with my son's set. Currently one of the yellow action tiles honks the horn but the other yellow brick does not. No matter the lighting conditions, the position, orientation,...
7
votes
1answer
729 views
6 x 14 plate with 2x12 plate molded on top and metal contacts on the bottom identification
Needing help identifying this part as I was offered a small bag of vintage train parts and this come with some very unknown parts to me.
I just recently got out of a 33 year old Dark Age and have ...
11
votes
1answer
386 views
What is the purpose of the discontinuity in the DUPLO train bridge rack?
DUPLO bridge elements include racks to allow the powered trains to be able to make the climb. An example of this is element 35138:
I noticed that the gear rack on this element is not continuous at ...
5
votes
2answers
1k views
Lego track switch doesn't close properly
Just two weeks ago, my kid got a 60198 cargo train and we added a set of 60238 switching tracks. With two (out of three) switches we have the problem that the switch doesn't close properly anymore to ...
1
vote
1answer
503 views
Can two Powered Up train motors be plugged into one hub
I have set #60198 and it comes with one Powered Up motor. I'm hauling many many cars and one motor isn't enough any more. I see there is a slot for "B" on the hub. Is it possible to plug in another ...
1
vote
1answer
117 views
My DUPLO railroad engine stops after 20cm
My DUPLO railroad engine stops after 20cm moving.
I suppose the sensor in the front axle is damaged.
So is it possible to repair it?
5
votes
1answer
426 views
Is there a hobbyist standard for Trains track modules?
Many non-LEGO model railroaders have standardized track module standards allowing for interchangeability of (often highly-decorated) track sections (due to availability, damage, scheduling, etc.) as ...
10
votes
3answers
5k views
How does the DUPLO Action Bricks work?
Does anybody knows what is the technology the DUPLO Action Bricks are based on?It is not any RFID or NFC because I printed out the white one on normal white paper which turns lights on/off. The symbol ...
2
votes
0answers
87 views
Narrow gauge train wheels metal axle?
Anyone know some way, (or someone that makes a mod) to make narrow gauge wheels that actually roll fast? Something similar to the metal axle trucks that are used for standard gauge trains.
5
votes
2answers
1k views
Two LEGO Powered Up engines with reverse direction
I have 2 LEGO 60197 City Passenger Trains and I would like to attach both sets together and run them on the same channel.
The problem with the current disposition of the bogies is that reversing the ...
0
votes
1answer
362 views
why isn't lego updating the 9V train sets to the current system? [closed]
My son is getting to the age where he is ready for the Lego trains. I looked through the City and Train sets. It seems that Lego really recycles the Fire and Police themes over and over again, while ...
1
vote
1answer
76 views
Can I push the train of 60052 [duplicate]
We more like to push trains with hand. There were old ones, like the train of set 2741, where when pushing the engine, the contact became loose between the axis and the cog wheel.
Can I count some ...
12
votes
2answers
12k views
Multiple Powered Up trains on 1 Bluetooth controller?
My daughter got a Passenger Train for Christmas and I converted one of my old 9v trains to run using the powered up system. Is it possible to run the 2 trains independently or concurrently (preferably ...
4
votes
1answer
215 views
Can You Identify These Black Studless 2x4 Brick With Train Wheels?
I found a bunch of Pat Pend LEGO in a thrift shop. Among all the goodies there are two black smooth 2x4 bricks with train wheels attached to them.
Their characteristics are as followed:
They are ...
7
votes
3answers
1k views
How do I make trains which fit LEGO rails (6 studs)?
Christmas is coming and my son (7) is asking for trains.
I was planning to buy a set, but they are expensive, and I think it is a bit too advanced for my son.
Therefore I decided to buy a box of ...
6
votes
1answer
3k views
Has anyone tried putting the Powered Up system in the Christmas train?
Just wondering if anyone has taken the powered-up ("Power Functions 2.0") Bluetooth system out of the Cargo Train 60198 or Passenger Train 60197 sets and put it in the Winter Holiday Train set 10254?
6
votes
3answers
1k views
Can several users control one Powered Up train using different devices?
According to this review of the new 60197 passenger train you can only have one Bluetooth thing talk to the new LEGO battery box at a time.
The new Power Up system as it currently appears in this ...
9
votes
2answers
480 views
Duplo Locomotive: What is this inner part used for?
Background
I was forced to completely disassemble a duplo locomotive. My son played with it in a sand box and, guess what, it was not working anymore. I used a small brush to clean every single part (...
6
votes
3answers
2k views
Are only two new train sets available in August 2018?
I want to get started on LEGO trains. However when I look up which trains sets are available I find only two:
60198 Cargo Train
60197 Passenger Train
Does that mean I can only buy two different ...
15
votes
2answers
4k views
Is there an API for the Duplo 10874 train set?
I intend to buy this train set for my daughter. Apparently, the locomotive can communicate with an app via a bluetooth connection.
My question is: is there any documentation available so that I can ...
7
votes
1answer
2k views
What is the function of Duplo part# 38507 RAIL ACCESSORY, NO. 4
Can someone explain to me what 38507: RAIL ACCESSORY, NO. 4 (#6225519) is for? I've got this in the new Duplo Train accessory #10882 and can't figure out what it does :S