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Category: Modelling

Mercedes-Benz SK-II 2644 from 1994 - 1998

Builder: Juan Pedro Munoz
Creation time: 6 months
Model: Mercedes-Benz SK-II 2644 from 1994 - 1998
Scale: 1:14
Close-up of a brown lorry frame with wheels, silver tank with red band and silver protective device. The background is a green chequered cutting board.

The model

The model is a conversion from a kit of a 2-axle tractor unit to a 6x6 tipper with a large number of individual components. The model has a 3-speed gearbox with an attached distributor gearbox so that the power can be transferred to the front axle or switched off. As the original driver's cab comes from long-distance transport, it is shortened by 30 mm to make a true-to-original driver's cab for construction site vehicles in local transport.

Tool used

  • Milling machine

Procedure

Step 1

Milling the holder

The brackets for the underride guard were milled from aluminium.

Metal brackets and holders lie on a wooden surface. The brackets are L-shaped, holders are triangular with holes.
A modelling scene: three horizontal, silver beams held by red, angled supports on a green cutting mat.
Step 2

Painting and fitting

The underride guard was painted and fitted.

Close-up of a brown lorry frame with wheels, silver tank with red band and silver protective device. The background is a green chequered cutting board.
Step 3

Concealing electrical components

The toolbox with removable door is also a DIY construction for concealing electrical components.

Close-up of a reddish-brown truck chassis with silver side protection, black battery housing and grey mud flaps. Tyres with coarse tread are visible.
Step 4

Create the trough

The trough was milled from aluminium. It has latches that open mechanically when the trough is lifted. The trough reinforcements are milled from PS plates and then glued to the trough.

A metal, U-shaped construction with raised sides that stands on a green surface. The sides have indentations.
Metal parts on a green background. A kind of tub, a bar, a plate, two black and two smaller silver parts.
Two white rectangles and a white stick lie on a green background. The rectangles are frames, the stick is on the left under the left frame.
Two white, rectangular frames with side extensions lie on a green surface.
Step 5

Detailed view of the interlocks

Here you can see more details of the locking mechanism.

An aluminium construction with tensioning devices, tension springs and levers on a white surface. Two parallel rails are stabilised by cross connections.
Step 6

Create the subframe

The subframes and cross beams were all milled and drilled from aluminium.

Both the subframes and the spindle drive are required to be able to tilt the skip.

Two long metal struts, two short pieces of metal and several small metal plates lie on a turquoise-coloured fabric. The struts have holes, as do some of the plates. The parts appear to be part of a kit.
A red frame, a motor, a threaded rod and other components lie on a green cutting mat.
Close-up of a silver-coloured threaded rod in a U-shaped frame. There are metal plates at the end. The background is green.
Step 7

Elements for tilting the trough

The bracket in which the bearing for the spindle is installed (Fig. 1).

The arm that lifts the skip (Fig. 2).

The bracket for the motor that drives the spindle (Fig. 3).

The cross beam, which was milled from aluminium profiles (image 4).

Silver, milled metal part on a green background. Square block with central round opening, attached with screws to a trapezoidal base with angled ends.
Metal construction with two parallel rails connected by end pieces with holes and two rectangular recesses. A golden pin connects one end piece.
A metal holder with holes and U-shaped corners lies on a green, textured surface. The holder has a semi-circular recess with holes all round.
Metal object with three holes on green cloth. The object is rectangular and has notches at the ends.
Step 8

Assemble the subframe on the chassis of the vehicle

This picture shows the complete subframe with pre-assembled spindle drive. Ready to be mounted on the chassis of the vehicle.

A red-painted, metal modelling construction lies on a green cutting mat with a grid. The construction has an elongated, rectangular shape with screws and springs.

Contact details

If you have any further questions, you are welcome to contact the builder by e-mail and via Facebook.

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Modelling Club: MTC Espana

MTC Espana is a club with 15 members from different locations in Spain. They started this hobby in 2008 and organise two or three meetings a year. In winter they work on their models in a hall, in summer the temperatures are over 40°C during the day and so in summer they work outside at night. So far they have been to the following trade fairs in Germany: Dortmund (2009), Friedrichshafen (2011 and 2017).

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