MercedesBenz / NAW SK 3550 8×4/4 with Modular Platform Trailer

4 Янв 2015 | Author: | No comments yet »
Mercedes-Benz SK

Mercedes-Benz / NAW SK 3550 8×4/4 Modular Platform Trailer


Rear axles by 9V motor

Front axles by 9V micromotor

Cab tiltable to reveal

Openable doors and sun roof

ballast platform with wheel underneath


modules with steerable

Drawbar module to access motion

Bumper module flashlight to access steering

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Although Mercedes-Benz is a German the original of the truck pictured has partially been manufactured in Based on standard components Mercedes-Benz, the heavy haulage units used to be customized for special duties at NAW. in the eastern part of Switzerland the NAW (Nutzfahrzeuge Arbon und Wetzikon AG) was a known name for heavy trucks.

The model designation SK 8×4/4 reads as follows: SK for ‘Schwere Klasse’ meaning class’ and is the successor product of the NG ‘New Generation’ Mercedes-Benz top of the trucks. 35 stands for 35 tons gross vehicle weight 50 stands for the turbocharged Diesel OM 442 LA with 503 horsepower. 8×4/4 means that of the eight four are driven while four are steered. The maximum to be pulled is 250 tons.

Mercedes-Benz SK

The model is in scale 1 / 18.75 at first glance seems to be a number. But scale was dictated by creation, the Liebherr LTR 1800 crane. And there, two studs on the equal 30 centimeters in reality resulted in an even number of for the three meter wide structure. The reason for the same on both creations is the fact I wanted to build a heavy truck being able to components of the crane. Another was to give an impression of the dimensions of the LTR in reality.


The Mercedes-Benz SK were available with different sized cabs. My features the largest one which enough space for a comfortable bed the drivers place. Furthermore one also chose wheter should be side windows on the half of the cab or not. I opted for the one. Nevertheless the places the windows would have are clearly visible as there has manufactured only one pair of panels with window which could be closed by blanks. Therefore rubber was to seal these panels resulted in black frames on the walls of the cab which can be seen on my as well.

The cab features openable doors and sun as well as a detailed interior. The one includes a bed with pillow and and many smaller details cup holders, sun visors and a reading Details on the outside of the cab include view mirrors, flashlights, a Mercedes star consisting of a round tile and directional on the fenders. Furthermore there are made stickers with the designation number.

The cab can be tilted to the engine, a turbocharged V-10. there would have plenty of room under the big the engine mockup itself is in a small space between the two rails. The reason for that is there is an old style 9V motor with a three stage gear with a total of 1:27 to drive the tandem axle assembly. There are two gears on the propellor shaft directly drive the 24 tooth on the differential cages. This is a saving construction and the biggest is produced in the final stage of the train.

The two front axles feature and pinion steering. They are with a common shaft two different sizes of pinions 14 teeth on the front axle and on the second. A 9V micromotor placed the first and second axle and the two frame rails drives the shaft with a one stage drive. Steering motion is to the steering wheel in the cab which when the wheels turn. the cab is tilted, connection between the column and the common shaft is

The Mercedes can be used in two different to pull heavy loads. At the end of the frame in a lowered position is a towing attachment. Furthermore is a fifth wheel on top of the frame can be placed in different positions the frame rails to configure the for different trailer settings. pulling a trailer connected to the attachment ballast is needed to use of the mechanical advantage of the two driven axles. Therefore a ballast can be connected to the frame. On my model it is with a box containing some tin and a reinforced concrete block. The of 1.5 kg is supported by the frame at three — two on the front end of the platform and one at the wheel. The ballast platform openable side walls and a bar used when pulling or trailers without a drawbar or coupling more than one to move a bigger payload one truck can bear alone.

Heavy tow tractors usually are short in length compared to trucks and feature up to five Therefore there is often no on the frame for all the special equipment can be found on heavy duty These components are then put on a rack which is placed the cab. My model features a rack as well. First of all is a large fuel tank at the place. A standard tank not be sufficient for towing applications as the 500 V-10 is quite thirsty. On the side there is an additional oil unit. On the right side are the pipes covered in the same way as the on the left. Finally there are air tanks for the breaking circuit on top of the fuel tank. A small behind the rack gives to the different components and the hoses connect to the trailer. On the model are represented by the two wires connecting to the and steering motor respectively.

Finally the truck is equipped a heavy duty front complete with brushguard, coupling and additional headlights. To be to tilt the cab the brushguard can be tilted as well. Further details an air filter unit on the right of the frame between the first and axle and a fire extinguisher at the place on the left side of the Axles two to four feature fenders. Stickers with a cane pattern for the front license plates and the Mercedes-Benz complete the model.

Mercedes-Benz SK
Mercedes-Benz SK
Mercedes-Benz SK
Mercedes-Benz SK


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