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Liebherr A 922 Rail Hydraulic Excavator

Maker:  NZG
Model No:  1011
Scale:  1:50
Review Date:  July 2021

NZG Index
Rail Equipment Index

Cranes Etc Model Rating
Packaging   (max 10) 7
Detail   (max 30) 26
Features   (max 20) 17
Quality   (max 25) 21
Price   (max 15) 12
Overall   (max 100) 83%


Liebherr A 922 Rail Hydraulic Excavator video. [Youku Video Channel]
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Liebherr branded box.
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On track with the clamshell in travelling position.
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Rail bogies engage with the track well.
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Excellent cab.
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Excellent etched grille on top.
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Detailed clamshell grab.
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Loading a road truck.
Poses well with other models.
Wheels free.
Good load for a low loader.

The A 922 Rail Litronic is an excavator adapted for running on railway tracks and is used in railway construction and maintenance work. 

It is a machine in the 20 tonne weight class.

This model is updated from NZG #946 released in 2016.


The box is Liebherr branded and the model and parts are securely packed within expanded polystyrene trays. 

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

There is no information provided about the real machine or the model.


A piece of scale track is provided consisting of a solid plastic base which is moulded to represent sleepers and ballast, and a pair of metal rails.  The ends have connectors so pieces could be joined to make longer track sections.

Underneath, the detail level is simple with the transmission to the axles modelled.  The good quality wheels have inner tyres with a different tread pattern used to engage with the rail head and provide traction and braking.  The undercarriage is almost all metal including the outriggers and rail bogies.

The cab has very good detail inside including an additional passenger seat and nice controls.  Mirrors, wipers and lights add detail outside and the many tiny graphics on the cab door are excellent.

Panel handles are detailed and the side grilles are represented by graphics.  At the rear, the Liebherr name is embossed on the counterweight and there is a video camera on top.  Another video camera is modelled on the non-cab side.  Excellent graphics and highlighting around the body provide an authentic appearance.

On top there is an excellent etched grille in the engine cover.

The boom and stick are modelled using small pinned connections which are discrete.  Soft hydraulic hoses and pipes are modelled and graphics enhance the appearance.

The quick connector is metal as is the ditch cleaning bucket.  A clamshell grab is included as an optional tool, and it is a metal part and has hydraulic hose detailing.


The steering axle achieves a reasonable range of movement.  There is no axle oscillation.

The rail bogies can be raised and lowered, and the mechanism has a good stiffness.

The outriggers have a good range of movement and the pads tilt.  The model can be supported wheels-free.

The model rotates.

Movement of the boom and stick is very good.  The model is stable on the tracks with the outriggers down, only wanting to tilt when reaching far out to the side.

The bucket rotates and can dig at an angle, and is removable.

The clamshell grab swings and rotates, and the jaws can be opened and closed.


This is a high quality model with a high metal content.

The paintwork is very good and the graphics are excellent.


It is good value for the high quality offered.


This is a worthwhile enhancement of the A 922 and the addition of the clamshell grab makes it a more flexible model.  A high point is the authentic looking detailing.


The model first appeared in late 2020.

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The parts.
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Realistic appearance.
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Clamshell grab attached for transport.
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Track section is detailed.
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High quality detailed graphics.
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Boom and stick look very good.
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Digging at depth.
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Profile view.
Bucket rotates.
On the way to site.