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40 tonnes is about six-and-a-half times as heavy as an Elephant.
In other words, the weight of an Elephant is 0.150 times that amount.
(for African bush elephant, Loxodonta africana) (Adult, bull)
A bull African bush elephant weighs about 6.10 tonnes. Among African elephants, both males and females have tusks (whereas female Asian elephants, Elephas maximus, do not have tusks) which can grow to 3 m (10 ft) and typically weigh about 4 tonnes
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