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Komatsu D375A-8 Crawler Dozer

Maker:  First Gear
Model No:  50-3426
Scale:  1:50
Review Date:  September 2020

First Gear Index
Mining Equipment Index

Cranes Etc Model Rating
Packaging   (max 10) 7
Detail   (max 30) 25
Features   (max 20) 15
Quality   (max 25) 21
Price   (max 15) 11
Overall   (max 100) 79%


Komatsu D375A-8 Crawler Dozer Video  [Youku video]
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Komatsu branded box.
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Ripper posed high.
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Detail underneath.
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Ladder lowered.  Mask on.
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Sharp tooth.
Detailed cab.
Impressive radiator.
Nice blade.
Interesting poses can be set.

The Komatsu D375A-8 Crawler Dozer has an operating weight of around 73 tonnes.  It is used for large quarry operations.


The model comes in a Komatsu-branded windowed box and includes pictures and details about the real machine.

The review model had no defects or missing parts. 

A bag of spare pins for the ripper is included.


The underside has some detailing including the transverse beam connecting the track frames. It is embossed to say that the model is licensed by Komatsu USA. The metal tracks are very good and have bolt head details.  The track frames have floating lower roller assemblies and working top rollers.  The track frames are well detailed.

The single-shank ripper assembly is metal with the tooth being sharp.  Connection rivet heads are painted. The rams are plastic but they are detailed, and there are soft hydraulic hoses.  

The cab roof is plastic with a metal roll over protection.  The detailing is very good and includes work lights and soft aerials.  and the side wipers are formed within the casting.  The black hand rails are plastic and reasonably thin.  A high point is the fine see through mesh walkways. 

The inside of the cab is detailed with visible joysticks.   The folding access ladder on the side is plastic.

The engine cover has grab rails and nice detailing of panels. The exhausts and air intakes are plastic.  The graphics are sharp including perfectly legible warning signs.  The front grille is plastic with a nice mesh finish.

The metal U blade has wear plates detailed at the bottom and there are perforations in the grille on the top edge.   There are hydraulic lines running to the main blade lift cylinders.


The tracks roll very easily and the lower roller assemblies rotate. 

The ripper assembly has good high movement but it is compromised at the lower end with limited depth available to the ripper tooth. The hydraulics are smooth and a little on the loose side to hold all poses.  The shank is pinned enabling it to be set at different heights or removed totally.

The blade can be raised and lowered and the mechanism is reasonably stiff.  Some side tilt is possible and the forward tilting function has an excellent range of movement.

The access ladder can be rotated into position.


It is a very good quality model.

The paint is very good and the graphics are sharp.


It is reasonable value for a large dozer.


This is a good looking model of the Komatsu D375A-8, and it is a good balance of detail and functionality.  It would look good in a mining diorama.


The model was released in August 2020.

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Very good forward tilt on the blade.
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Access ladder in the operating position.
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Detailed track frames.
Profile view.
Ripper removed.
Excellent graphic.
At work.