Thursday 1st October 1936
At the Paris Motor Show, Citroën presented its first diesel-powered light utility vehicles: the 500DI (500 kg diesel), the 850DI (850 kg diesel) and the 23DI (1,500 kg diesel). The vehicles had a 7 bhp rating and were equipped with a high-turbulence, indirect-injection (1.767 L) engine with 4 cylinders developing 40 bhp at 3,650 rpm.