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Caterpillar D6 Track-type Tractor (SU  blade)

Maker:  Diecast Masters
Model No:  85553
Scale:  1:50
Review Date:  May 2019

Diecast Masters Index
Earthworks Equipment Index

Cranes Etc Model Rating
Packaging   (max 10) 9
Detail   (max 30) 25
Features   (max 20) 16
Quality   (max 25) 18
Price   (max 15) 10
Overall   (max 100) 78%


Caterpillar D6 Track-type Tractor (SU + VPAT Blade) Video  [Youku video]
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Caterpillar branded tin.
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Overall look is good.
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Fairly simple underneath.
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Access ladder folded down.
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Cab detail is very good.
Fits on a low loader well.
At work.

The Caterpillar D6 weighs 23.4 tonnes. 

This model of it is fitted with an SU blade.


The model comes in excellent 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 is included which describes how to install the operator, and there is also a mini catalogue of the Diecast Masters range.


The underside has simple detailing within the casting.  The metal tracks are nicely detailed with bolt heads.  The track frames have the outline of the rollers formed within the casting and they are non-functional.  The high drive sprocket is plastic which is slightly off colour.

The cab structure is metal and the hand rails are soft plastic, and the roof and large protection structure is plastic also.   Inside the cab the seat back has the Cat logo and there is a detailed console. The operator is in the usual Diecast Masters style. 

Behind the cab there is a large Cat logo in the latest style, and to one side is a plastic access ladder.  The ripper assembly is metal with separate teeth.  The rams are plastic and there are hydraulic hoses. 

At the front the engine cover has grille details formed by graphics and the exhaust and air intake are plastic.

The metal SU blade has wear plates detailed at the bottom.   There are hydraulic lines running to the rams.


The tracks roll easily in the hand and are spring-loaded.  They oscillate across the linking transverse bar.

The ripper assembly has a good upper range of movement, although the ripping depth is more limited.

The blade can be raised and lowered and the mechanism is reasonably stiff.  The tilting function has very good movement.

The rear access ladder can be folded down.

The operator can be added or removed via the detachable roof.


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

The paint is very good and the graphics are sharp.


It is reasonable value.


This version of the D6 looks good with some nice detailing.  Some more use of metal would have given it a higher quality feel.


The model first appeared in April 2019.

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Parts from the tin.
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Ripper down.
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Engine grille is formed by graphics.
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New Cat logo on the back.
Profile view.
Plastic protection structure.