This order follows an order earlier this year for an initial 20 units.
The Manitou MT625 has a maximum lift height of 6m and a maximum load capacity of 2500kg.
One Call has also invested in 34 of the specialist Manitou MHT10120 heavy-lift machines, with 10m lift height and 12-tonne capacity.
One Call said that its total spend on capital equipment in 2013 has reached £34m, and it has placed firm and irrevocable orders for future business to a value of more than £25m.
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