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Caterpillar R3000H Underground Mining Loader

Maker:  Diecast Masters
Model No:  85297
Scale:  1:50
Review Date:  March 2017

Diecast Masters Index
Mining Equipment Index

Cranes Etc Model Rating
Packaging   (max 10) 9
Detail   (max 30) 25
Features   (max 20) 16
Quality   (max 25) 20
Price   (max 15) 13
Overall   (max 100) 82%


Caterpillar Underground Equipment Video  [Youku video]
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Caterpillar branded tin.
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Heavy rear end.
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Detail underneath.
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Another fire extinguisher.
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Carrying rocks.
Lights at the rear and on the cab roof.
Busy site at night.
Loading an AD60.

The Caterpillar R3000H weighs around 80 tonnes.  It is designed for underground loading operations.


The model comes in exemplary packaging.  There is an outer shipping carton which 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 batteries to the model is included, as is a mini catalogue of the Diecast Masters range.


The underside has reasonable detailing with the transmission modelled.  The tyres have a good tread pattern and they are mounted on plastic wheels with a detailed outside face and hollow inner faces.

At the rear the radiator grille is plastic, and the body looks heavy reflecting the real machine.  There is a fire extinguisher on one side, and parts of the plastic engine are visible. The handrails are plastic and they have a very good colour match. 

The cab windows have nice black seals and inside the cab there is the usual operator provided by Diecast Masters who sits facing sideways in this machine. 

Detail at the pivot point is very good and includes hoses and cables crossing, and a fire extinguisher.

At the front the bucket is large and impressive, and well detailed including holes in the sides.  The lift arms are also good.


It rolls very smoothly on the big wheels.  Steering across the pivot point has a reasonable angle.

The bucket raises to a good height, and can reach over the side of an AD60 articulated truck.  The tipping angle is good.  The carry and digging angles are also good.

The model features working lights at the front and at the rear, and under the cab roof.  These are implemented very well.  There is a switch underneath which can be set to off, on and timer.  When switched to on, the lights can be switched on and off by pressing down on the cab roof.   The lights are LED and bright, and look really good.  The timer features automatic switch off after 20 seconds.


It is a good quality model with a reasonably high metal content.

The paint is good and the graphics are sharp.


It is very good value given the working lights and high quality presentation.


This is a very good model from Diecast Masters, and the addition of the working lights is implemented very well.


The model first appeared in 2016.

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Good bucket carry position.
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Nice big wheels.
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Fire extinguisher at the pivot point.  One screw head visible.
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Big bucket.  Height is very good.
Profile view.
Front lights.
Up and over the side.