TDX was established over 30 years ago and has grown from small beginnings to its current position today as a leading supplier of construction equipment, diesel engines, generators and transmissions to a variety of industries throughout New Zealand. The company has been awarded the distributorships for some of the industries most highly respected brands in the world. TDX is the authorised New Zealand distributor for Volvo Construction Equipment, Yanmar Construction Equipment, Perkins engines, VM Motori engines, Kohler and Lombardini engines and generators, Allison transmissions, Terex Finlay crushing and screening equipment, Donaldson, Sakura, Griffin filtration and exhaust products and eni oils and lubricants. TDX offers nationwide coverage from our strategically located company branches allied to a supporting network of appointed dealers and service agents. TDX is unequivocal in its commitment to setting world-class standards in providing total equipment, diesel engine, power generation, transmission, parts and service solutions for its clients.