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Caterpillar AD45 Underground Articulated Truck

Maker:  Diecast Masters
Model No:  85717
Scale:  1:50
Review Date:  September 2025


Diecast Masters Index
Mining Equipment Index


Cranes Etc Model Rating
Packaging   (max 10) 9
Detail   (max 30) 26
Features   (max 20) 14
Quality   (max 25) 21
Price   (max 15) 10
Overall   (max 100) 80%

Footnotes


Caterpillar Underground Equipment Video  
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Caterpillar branded tin.
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A low headroom machine.
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Underneath.
 
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Detailed steering pivot.
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Textured surfaces.
Reasonable tipping anglel.
Ram jackets have an excellent colour match.
Empty.
Load tipped.

The Caterpillar AD45 has a payload capacity of 45 tonnes.  It is a low headroom machine which is specially designed for underground operations.

Packaging

The packaging is of a high standard.  An outer shipping carton contains a tin which is protected by a nylon bag.  The tin is high quality and includes pictures and details about the real machine.

The review model had no missing parts or defects.

An instruction sheet for fitting the operator is included, as is a leaflet about new Diecast Masters releases.

Detail

The underside has some detailing within the plastic baseplate.  The tyres have a good tread pattern and they are mounted on plastic wheels with a detailed outside face and the inside faces are also detailed.

At the front the radiator grille is plastic, and the towing hitch has a painted pin.  The handrails are metal.  The air intake and  exhaust system are plastic with an excellent colour match. 

The cab windows have nice black seals and inside the cab an operator can be added.  Behind the cab there are textured walking surfaces.

Detail at the pivot point is very good with hoses and cables cross the pivot point.  There is a red locking bar for the steering.

The dump body is fairly simple with sharp graphics.  At the rear there are painted lights and a detailed towing hitch.

A plastic insert is provided for the dump body which replicates a load, and it provides an alternative way to pose the model.

Features

It rolls very smoothly on the big wheels.  Steering across the pivot point is very good. 

The locking bar can be clipped although it hangs loosely when not clipped.

The dump bed raises to a reasonable angle with the load floor at about 45°, which is perhaps a little short of the real machine. 

The load insert can be added, or left off.

The operator can be fitted, or left out for posing in a transport situation.

Quality

It is a well presented and well made.

The paint and graphics are very good.

Price

It is reasonable value.

Overall

This is a solid replica with nice detailing. The functionality is also of a good standard.  It pairs well with a matching mining loader and also makes a good heavy haulage load.

Footnotes

The model first appeared in early 2025.

 
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Oiut of the box.
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Decent steering angles can be posed.
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Metal handrails.
 
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Strong tyre tread pattern.
Profile view.
Plastic grille.
Looaded.
Being loaded by a R2900 XE.
At work