As well as the standard models, Wipro has many NUMMI
tipping gears and cylinders designed for specific tasks.
A range of NUMMI single and double acting telescopic cylinders
is available for different truck and trailer solutions - for
example there is a model that features 4 stages of which the two
smallest ones are double acting. This realizes the possibility to
pull back the body after it has passed the tipping roll center. To
provide the necessary safety, model range also includes 9 ton
hydraulic support legs for truck or trailer supplied with locking
Customer specific telescopic cylinders
The same high-level quality control as Wipro's
NUMMI standard models has been observed when manufacturing these
special models. Cylinders are reliable and durable.
The starting point of the design is a customer specific need.
All ram tubes are hard chrome-plated and the tube internal over-lap
depends on the side loads. The many special circumstances that
tippers are designed for are taken into account with the sealing.
Maximum operating pressure is up to 250 bar depending on the
Standard technology for leading mining vehicles
The world's leading special purpose vehicle manufacturers such
as Sandvik and Cargotec have chosen Wipro's cylinders for their
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