Three hundred horsepower to pull a trailer? That sounds excessive, but it is one of the roles envisaged for a new breed of powerful tractors that makers say are not so big as to be confined to field work. Just as fertiliser spreading used to be the preserve of 80-100hp tractors, but is now frequently undertaken by machines in the 200hp class, so haulage and other jobs once exclusively handled by those tractors are being handed to bigger, heavier, more […]