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Kaiser S12 Allroad Walking Excavator

Maker:  Conrad
Model No:  2959
Scale:  1:50
Review Date:  January 2017

Conrad Index
Earthmoving Index

Cranes Etc Model Rating
Packaging   (max 10)7
Detail   (max 30)22
Features   (max 20)18
Quality   (max 25)21
Price   (max 15)9
Overall   (max 100)77%


Kaiser S12 Allroad Walking Excavator Video  [Youku video]
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Kaiser box.
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Big tyres.
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Gripper feet.
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Simplified grille.   Soft hydraulic hoses.
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Each wheel can steer independently.
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Unloading itself.
Loading a tipper.
Climbs over rough terrain.

The Kaiser S12 Allroad Walking Excavator is designed for maximum mobility with all wheel drive and adjustable legs.  It weighs around 13 tonnes.

Kaiser is a family run company with its roots stretching back to 1913.  It is based in Liechtenstein.


The model comes in a Kaiser branded box with photos of the real machine, but no technical details.  Inside the model is held within cardboard backed foam.

The review model had no defects or missing parts.

There is no assembly required and there are no instructions for the model. 


Underneath the detailing is on the simple side.  The tyres have a realistic tread pattern and the wheel hubs have some bolt head details.  The support legs appear to be a mix of metal and plastic parts with a very good colour match.  On the ends of the front legs are unusual gripper feet.

The body replicates the shape of the real machine well with a simplification of detail so, for example, the side grille is formed by painted indentations.

The cab has a nicely detailed interior, but there are no grab rails or mirrors on the outside.

The boom and stick look good with soft hydraulic hoses adding detail.  Unusually the hydraulic ram jackets are metal, although that does mean they are thinner looking compared to those on the real machine.

At the end of the stick the bucket is metal and the quick fit attachment is plastic, and it includes a lifting hook.


The wheels roll easily.  Each leg has three degrees of movement, and the rams are stiff enough to hold any pose. Some weird and interesting poses can be set.

At the front the gripper feet can be raised and lowered, and the feet tilted forwards and backwards.

The body rotates reasonably smoothly.

The boom and stick have a good range of movement, and the stick has a telescopic section.

The bucket movement is fine, and it is also removable.


This is a nice quality model, and it is a typically robust Conrad model. 

The paint and graphics are good.


It is fully priced.


It is always good to see a model of a machine from a company that is not one of the mainstream manufacturers.  The detailing is on the simpler side but the functionality is very good. 


The model first appeared as a prototype at the Bauma Exhibition in 2016. 

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Sitting up high.
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Cab has no grab rails or mirror.
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Extending stick.
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Being transported.
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Profile view.
A mountain goat.