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Liebherr LTR 1220 Crawler Crane

Maker:  Conrad
Model No:  2746
Scale:  1:50
Review Date:  September 2022


Conrad Index
Crawler Crane Index


Cranes Etc Model Rating
Packaging   (max 10) 8
Detail   (max 30) 26
Features   (max 20) 18
Quality   (max 25) 21
Price   (max 15) 11
Overall   (max 100) 84%

Footnotes


Liebherr LTR 1220 Crawler Crane
Picture sleeve.
As a transport load.
 
Profile view.
Fully rigged and  set up to lift.
Bing unloaded.
Nice ballast block.
Liebherr flag is included.

The Liebherr LTR 1220 Telescopic Crawler Crane is capable of lifting 220t at 3.0m radius.

Packaging

The model comes in two expanded polystyrene trays held together by a Liebherr branded picture sleeve.  It has a picture of the real machine, but there is no technical information about it. 

The review model had no defects or missing parts.

A detailed instruction sheet is included which has a parts list and covers the assembly and features of the model.

Detail

The tracks are metal and are mounted on detailed track frames.  The rollers are modelled but are non-functional and the drive sprockets have the Liebherr name embossed on them.  A metal lifting beam is included to enable posing of self-assembly of the tracks and this is a nice touch.  Metal walkway grilles are fitted to plastic frames on top of the crawler track frames.

Two sets of hydraulic jacks for self-assembly  to enable the tracks to be attached and detached.  The jacks have smooth pistons with plastic pads.  Metal ballast boxes sit between the tracks and these have lifting lugs and warning graphics.

Metal steps can be fitted to the frames or alternatively to the ballast boxes between the tracks.  The steps are thickly modelled parts.

The crane cab has metal grab rails, signal lights and many small graphics, unsilvered mirrors, and simple internal detail.  The body has panel handles and grilles represented within the casting with more warning graphics.  A plastic exhaust assembly completes the detail at the front.

At the back there is a built-in winch and a second one which pins into position. 

The counterweight slabs are nicely modelled with Liebherr and chevron graphics, and lifting lugs.

The boom is a six section telescope with a nice profile and two-tone colouring.  A slightly off-colour plastic control cable drum is modelled on the side of the boom.  At the boom head there are metal sheaves, and a safety-hoist cut-off chain. 

The fly jib is a well made metal piece with the hinge assembly being plastic.

Two good metal hooks are supplied.  The main hook has three metal sheaves ant the other is a single line hook.

Features

The tracks roll well and are on spring loaded idlers.  The track frames can be extended and retracted, and they are also removable.

Hydraulic self-assembly jacks can be screwed down to lift the crane body, and short and long sets are included.

Walkway plates on the track fames can be slid into position.

The cab can be tilted but on the review model it would not hold a pose. A footplate can be extended from under the cab.

Both the ballast boxes and the counterweight are fully removable, with the counterweight at the rear being configurable.

The crane functions work.  The crane rotates and the boom lift cylinder is locked using a rotating collar which works, but can lead to some uncertainty whether it is gripping tightly enough.

The telescoping sections are smooth and lock off at approximately 50%, 90% and 100% extension. 

A second winch can be added or left off.  Operation of the winches is by using a finger on the serrated drum edge and both winches rely on friction to act as their brake and this is adequate for most poses.

The auxiliary jib can be attached or carried on the side of the boom.   It can be posed with the solid section folded or opened out, and a mechanical ratchet allows angles of 20° and 40° to be achieved.

Quality

The LTR 1220 is a robust model with a high metal content. 

The paint is very good with very good graphics being sharp.

Price

It is reasonable value as a large model.

Overall

This is a very flexible model from Conrad which allows it to be posed in various stages of self-assembly.  The standard of detailing is at a high level too.

Footnotes

The model first appeared in 2021.
 
The parts.
A full convoy.
Attaching its own tracks.
Detailed track frames.
Detailed cab.
 
Tracks extended to the maximium.
Fly jib set at 20°.