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Liebherr R 9400 Mining Backhoe

Maker:  NZG
Model No:  8601
Scale:  1:50
Review Date:  July 2014


NZG Index
Mining / Quarrying Index


Cranes Etc Model Rating
Packaging   (max 10)7
Detail   (max 30)26
Features   (max 20)17
Quality   (max 25)22
Price   (max 15)12
Overall   (max 100)84%

Footnotes


Liebherr R 9400 Mining Backhoe Video.  [Youku Video]
Big Liebherr branded box.
Rear stair lowered down.
Working rollers on the tracks.
Big dimensions.
Very detailed hydraulics.
Simple but heavy track frames.
Massive bucket.
Reaching high.
Comment on this model.

The Liebherr R 9400 is a large mining excavator and this version of the model is in the backhoe configuration.

It has an operating weight of around 346 tonnes and it has a bucket capacity of 22m.  It is ideally suited to loading mining trucks in the 150 and 190 tonne class.

Packaging

The model comes in a Liebherr branded box, with a photo of the real machine on it.  Inside the box are two large expanded polystyrene trays, and the model is secured to the lower tray by an unusual screw system.  An instruction sheet describes how to unpack the model and the screw system certainly beats undoing twist ties. 

There were no missing parts or defects on the review model.

There is no information about the model or the real machine, and some technical data about the R 9400 would have added to the model.  Some spare track links are provided in a bag.

Detail

The metal track pads are nicely shaped and detailed with bolt heads.  They are mounted on track frames which have working rollers, and although lifting points are modelled, they do not have holes.  The undercarriage is a solid frame with a metal access stair.

The stairs to the cab are metal with fine gauge handrails, and the access platform has a very nice mesh flooring with a convincing array of mirrors outside.  Windscreen wipers and lights add detail to the cab, with plastic screens on the side windows.  The interior detail is reasonable.

Behind the cab there is a metal stair, and the lower level platforms have fine mesh floors.  At the rear the Liebherr name and type number is embossed within the casting.  The rear lights also have detailed beacons on top.  There are a mixture of metal and plastic grilles on the side with the lights at the front having integral air horns.

On top the deck is detailed with metal equipment and the fire suppressant equipment is highlighted in red.  The exhaust pipes have holes and look good, and the overall impression of the roof equipment is very good.

The hydraulic hoses running from the body to the boom are also really good with detailed connections to the rams.  They have plastic jackets with a good colour match, and pipes run to the ram collars.  Both the boom and the stick are of suitably heavy construction.  Another really nice aspect is the authentic looking connection pins.

The very large bucket is a metal casting with wear plates detailed and very good teeth.

Features

The tracks roll well on a rough surface, and are tensioned on the frame with spring-loaded idlers.

The stair at the rear can be lowered into position.

The model rotates very smoothly.

The movement of the boom and stick is very good although the hydraulics are generally very stiff. 

The bucket moves fully on its connection.

Quality

NZG has produced a well-made heavy model with a high metal content. 

The paint and simple Liebherr graphics are very good.

Price

Although not cheap a lot of metal is provided for the money and it is good value.

Overall

This is a very convincing looking model of the R 9400 with the detailing of the hydraulics a high point.  As with other large mining models it cannot be broken down to form transport loads, but as a complete model it is impressive.

Footnotes

The model first appeared at the Nuremberg Toy Fair in 2014 and was available in May 2014.  A shovel version was also produced as model number 860.

 
Profile view.
Impressive boom and stick.
Liebherr name embossed at the back.
Simple undercarriage.
 
Very detailed on top.
Big iron.
Complex.
In the mine.