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Doosan Moxy MT31 Articulated Dump Truck

Maker:  NZG
Model No:  820
Scale:  1:50
Review Date:  March 2012

NZG Index
Earthmoving Equipment Index

Cranes Etc Model Rating
Packaging   (max 10)7
Detail   (max 30)21
Features   (max 20)13
Quality   (max 25)21
Price   (max 15)11
Overall   (max 100)73%


Doosan Moxy MT 31 Articulated Dump Truck Video.
Doosan Moxy branded box.
Mirrors and handrails are plastic.
Detail underneath.
Smart looking model.
Tipping with the raising tailgate.
Steering at the maximum angle.
Being loaded by a Volvo EC460CL.
The MT 31 is an articulated dump truck with an unladen weight of 22 tonnes and it is able to carry a load of 28.5 tonnes.  The body volume is 17.6m³ and the MT 31 is capable of a maximum speed of 51 km/h.

Moxy is based in Norway and was acquired by Doosan in 2008.


The model comes in a Doosan Moxy branded box but there is no information about the real machine.  The model is contained between a pair of polystyrene trays, and the review model had no defects or missing parts.

There is no assembly to do, and no information about the model.


The tyres have a good tread pattern and are a little shiny so would look better with a matt finish.  They are mounted on detailed hubs.

The chassis and transmission are both metal and detailed.  The floating axles at the rear are secured by unusual brass rivets which stand out from certain angles and would have been better painted.

At the front the lights and mirrors are plastic but they look good enough.  The access steps to the cab have a smooth rather than textured surface.  Inside the cab the detail is very good with a detailed instrument cluster and controls.  There is a fine protective mesh to the rear window.

The body is a solid metal casting and the securing chain for the raising tailgate has a nice matt finish rather than silver.  Underneath the body the model number is given as 501 indicating its heritage.


Each wheel rolls separately and the rear pairs are mounted on a floating arrangement which gives a good range of movement on each side. 

Steering is effected across a joint behind the cab and an angle of about 30° can be achieved.  The trailer rotates fully compared to the cab.

There is a plastic cover over the front axle transmission and on the review model this was easily removable to reveal the transmission.

The dump body raises to a good height and the hinged tailgate lifts as the body tips.  There is a safety bar which can be raised to prop the body to allow safe maintenance.


This is a well made model with a distinctive colour scheme.  The few graphics applied are sharp.


The model is reasonable value for money.


This is a relatively old casting which has been given a facelift with the Doosan Moxy colour scheme.  However it is still a good model with some nice detailing and robust features.  It is recommended.


The model first appeared in 2003 as NZG model number 501 when it was the Moxy MT 31.  It was generally released in 2011 in Doosan Moxy colours as model number 820 although some were sold in 2010 also.

Profile view.
Good tyres.
Painted lights at the rear.
Cab detail inside is very good.
Transmission cover removed.
Tipping angle is good.  Red safety bar is stored to the side.
Brass rivet peeps out from between the wheels.
Loaded with 'rocks'.