The DLD is the name for an automobile engine family – a group of compact inline-four Diesel engines, involving development by Ford of Britain and/or PSA Group, and also Mazda where it is called the MZ-CD or CiTD. The Ford of Britain/PSA and joint-venture for the production of the DLD/DV was announced in September 1998. Half of the total engine count are produced at Ford of Britain's main plant at Dagenham, England and at Ford's Chennai plant in India, the other half at PSA's Trémery plant in France.

The Ford Duratorq engine, commonly referred to as Duratorq, is the marketing name of a range of Ford diesel engines first introduced in 2000 for the Ford Mondeo range of cars. The larger capacity 5-cylinder units use the Power Stroke branding when installed in North American-market vehicles.