 There was also a lighter, narrower version called the 'F198 which was introduced in 1972 on the F1200 and F1400, but this short lived model was replaced after only three years.In 1984, DAF truck production was 13,645; this increased to 14,382 in calendar year 1985.DAF was also one of the first to introduce an intercooled turbocharged diesel engine into their lorries, which in these years became very evident with their 3600.