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MAN TGS 8x4 Tow truck
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Nine months of building + lots of pneumatic and electric parts + bricks in not so popular Tan colour = THIS
About this creation
After nine months of building I'd like to present my latest model.

MAN TGS 8x4 Tow Truck with OMArS 120T recovery bodywork

It is based on various trucks, mostly on this MAN . This gave me idea for colour scheme.
And pictures of this Volvo were also helpful.

Unlike the yellow one, which was build in a hurry for contest, this tow truck has a lot more details, like opening doors and cab interior.

Whole truck is covered with stripes of reflective foil. Three rows on sides, and additional chevrons on front and back:

OK, we have talked over external appearence, now it is time for internal mechanics. And there's lot of it inside.

Model weigths 4kg, I decided to build solid frame without suspension. Due to its mass, it would not work properly.

In the inside are:

8878 battery, 6 PF motors, 2 micromotors, 4 PF switches, one 9V switch, 5 pair PF LEDs, 3 1x4 light bricks, 4 PF extension wires, two IR receivers, 5 9V wires, 11 pneumatic cylinders, 4 small pumps, one airtank, 6 pneumatic switches and one coffe cup.

Placed like this:

Front axles are steered by Servo motor, each axle has different steering angle, achieved with different lenght of steering arms. Simple and effective.

Single XL motor is responsible for driving whole model. It has no problems with mass of the model, even when it is towing something (W900 chassis weights over 1kg).

Main double winch is driven by single Medium Motor. Its rotation is speeded up a bit to match crane arm extending speed.

The crane arm is extended by single M motor trough linear clutch. Cluth provides additional protectnion for the extending mechanism, which uses chain links instead of gear racks.

Front winch is driven by single M motor. If you would like to build one, I have made instructions for it while learning MLCad.

Side winches are placed on both outriggers. Each is driven by single micromotor. It will not pull a elephant, but it works well with light loads.

The pneumatic compressor is driven by L motor, and is using four small 5.5L pumps connected to an airtank:

Speaking about pneumatics:

Six circuits in total, all using large cylinders:

Front outriggers use two for each outrigger:

Crane arm is raised by two cylinders, wheel lift is operated by single cylinder:

Steering hatches:

Blue - arm extending, yellow - main winch:

Black - front outriggers lowering, grey - front outriggers folding, yellow - raising the lightbar, red - front winch
Blue - crane arm rasing, red - wheel lift movement, grey - rear outriggers lowering

Compressor is powered via pressure switch. The switch has small pneumatic cylinder with rubber band connected to it. When the pressure is high enough, cylinder overcome the rubber band and turn the switch off.

Lights. Front and rear LEDs are powered directly from 8878 battery. Lightbars are powered from 9V switch placed inside the cab.

Ready to work?

So let's work:

Thanks for watching :)


 I like it 
  February 12, 2016
Did it have a drawings
 I like it 
  May 29, 2015
ravishingly beautiful!
 I like it 
  November 28, 2014
Two days I've been staring at your tow truck, showing it to my whole familly (even those not concerned by Lego). everyone was amazed by the quality of your creation and the functionalities you brought. What struck me most are these inside pics you added, detailing all the gears, pneumatic systems, etc... Brilliant!! thanks for sharing your skills.
 I like it 
  November 25, 2014
Wow, that's awesome, what a great Model Team / Technic model. So many functions and a perfect bodywork. Great job! :-))
 I like it 
  November 16, 2014
The engineering behind is awesome! 5/5
 I like it 
  November 15, 2014
Brilliant combination of Technic and System, this is truly awesome!
 I like it 
  November 15, 2014
Brilliant to see this beast on MOCpages too! the technical that detail that you have shared is fascinating!
  November 15, 2014
Po raz kolejny pokazujesz niezwykły kunszt. Wspaniale dobrane elementy, wiele detali. Zadziwiaj±ca mechanika i funkcje. ¦wietna robota. Gratuluję i zazdroszczę :D.
 I like it 
  November 15, 2014
Big wow. Truck of the year ? It's wonderful in any case.
  November 15, 2014
WOW...just WOW so many details!!!! I just love it!
Marek Markiewicz
 I like it 
Dr. PetrolHead
  November 14, 2014
Nice model! It would be nice to see it in the snow :) Also, I thought Mann (as in the lorry company) is spelt with two N's?
Marek Markiewicz
 I like it 
Matt Bace
  November 14, 2014
Superb work! As I commented over on Flickr, this model may be the best use of pneumatics that I have seen in any Technic model so far. I love the overall clean, modular design, too.
 I like it 
  November 14, 2014
Love it! awesome details and I love the colors!
 I made it 
  November 14, 2014
Quoting Dr. PetrolHead Nice model! It would be nice to see it in the snow :) Also, I thought Mann (as in the lorry company) is spelt with two N's?
Nnope, it is MAN :)
 I like it 
  November 14, 2014
 I like it 
  November 14, 2014
 I like it 
  November 14, 2014
Very impressive model. The functionality and the overall appearance are top notch. Killer job.
 I like it 
  November 14, 2014
Already saw and already commented on YT. ;) Great!
 I like it 
  November 14, 2014
Normalnie mnie zatkało! ¦wietna maszyna, zupełnie jak prawdziwa!
By Marek Markiewicz
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LEGO models my own creation MOCpages toys shop MAN TGS 8x4 Tow truckLarge scale vehicles

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