Page 32 - TPM Issue3

Manufacturer: Diecast Masters Item No: 85581 Scale: 1:50th Price: £209.00
Dimensions: L=240mm, W=125mm, H=340mm Weight: 1140g

Below:
The Cat MD6250 is another
model from Diecast Masters
that hits the mark.

Caterpillar

MD6250 Blasthole Drill

Daniel Wietlisbach takes a close look at the 1:50th scale Caterpillar MD6250 blast
hole drill rig which has been produced by Diecast Masters.

T he rotary blasting hole one of the last models released from transportation positions. It is made
TWH was the Bucyrus 49HR. Later,
from a stable metal construction and
drill rigs entered Caterpillar’s
mining program following the
the sled with drilling engine and
it became the Cat MD6640 and
company’s take- over of
consequence was also expensive so
the black rubber plug on the platform
Bucyrus in 2011. The MD6250 is for was extremely finely detailed but in drilling rods can be lowered. For this,
the drilling of blasting holes from 152 there were not enough buyers for it. has to be taken out. The hoses for the
to 250 mm diameter with a drilling The new model from DM is very drill’s power unit are made from a
depth of up to 53.6 m. There is a heavy and stands on the finely soft rubber material. Four dummy
choice of two rig tower heights of engraved lower carriage that has extension rods for the drill are bolted
11.2 and 13.6 m and the working smoothly operating metal tracks. As on at the side of the tower. However,
weight varies from 56.47 to 64.15 t. on the original, there are four supports the change head is fully functional
The unit is powered with a Cat C27 that can be lowered hydraulically with the use of two small hydraulic
ACERT with 655 kW (879 hp). so that the machine can be leveled cylinders. To reach the platform, a set
With the model of the MD6250, horizontally when in use. of stairs behind the cabin can be
Diecast Masters is giving collectors a The somewhat shorter 11.2 m mast lowered hydraulically. There are also
still-affordable rotary blast hole drill rig was used for this model. It allows it foldable ladders on the other three
with appropriate detailing. Years ago, to be shown in working and sides. The especially nice and ornate

32 TPMMW Magazine - Spring 2020