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The Oplot is powered by a model 6TD-2 diesel engine developing 1,200 hp. The engine has
been designed to give good performance in all weather conditions, in particular
at high temperatures.
Although a diesel engine, the
6TD-2 diesel will also run on other fuels including petrol, kerosene, jet engine
fuel or their mixture in any proportion.
The engine is fitted with a preheater for use in cold weather. The
engine can also efficiently operate in desert conditions at ambient temperatures
of up to 55° above zero, as it has a number of enhancements for operation
in high ambient temperatures. The power pack gives a power-to-weight ratio of 26
hp/t, which ensures a high acceleration capability and ease of manoeuvre of the
tank as it moves from one fire position to another.
The
capacity of the internal fuel tanks is 700
litres with an additional 440 litres being stowed in the fuel tanks above the
tracks. This gives the Oplot a fuel distance of 400 km.
To extend the operational range of the Oplot, additional drum-type fuel tanks
can be
mounted at the hull rear. These can be quickly jettisoned if necessary. Each of
these fuel drums holds 200 litres of fuel and is connected to the main fuel
supply.
The air inlet of the engine allows air to be ducted from the least dusty
quarter and enables water obstacles to be crossed to a water depth of 1.8 m
without preparation.
There are two parts to the air filtration system, the centrifugal pre-cleaners
and the air cleaner casing. This enables the tank to be operated in hot and
dusty conditions for up to 1,000 km without a change of filters and to carry
out combat under radioactive conditions.
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