Note: This feature is in the March TT&C 2017 issue.
The Nooteboom Multitrailer from WSI Models.
Just recently, WSI Models presented the all-new five-axle Nooteboom Multitrailer MPX and the amazing new Liebherr tracked dozer PR776. Both feature fascinating details.
WSI Models has produced perfectly detailed and fully functional replicas. All major dimensions are correctly copied into the 1/50 scale. Both models came without defects.
The all-new Liebherr PR776 dozer was one of the big surprises during the past few months. This 74-tonne dozer is Liebherr’s biggest dozer and features a hydrostatic drive. It automatically adjusts the working speed to the required load conditions. The most interesting feature is the drive concept, as it also consists of an elevated sprocket. The dozer was presented for the first time at Bauma 2016 and also at the Las Vegas, Nev., MINExpo International in September 2016. It is targeted to mining and construction applications.
WSI’s nicely made die-cast model of this dozer was also presented during Bauma 2016. It is the first dozer model from WSI and features many details.
The most visible feature on the model is the accurately copied new drive system with the elevated sprocket. The Liebherr hydrostatic drive features infinitely variable choice of travel speeds up to the maximum of 10.5 kilometers per hour.
The track shoes are easily moved and the front idler is spring-loaded, keeping the tracks well enough, but with not too much tension. The bottom rollers are not moveable, but oscillate as well. Both crawler frames are also oscillating for a perfect ground fitting. The realistic 650-mm track shoes are also nicely done.
On the machine’s front, the massive blade would have a capacity of 24.2 cubic yards. The U-shaped blade has accurate castings and can be tilted back and forward. Two massive cylinders move it up and down and also keep the blade in an upright position. The wear packages are also integrated well into the casting.
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