1979 300d

http://Mercedes-Benz.autoboardz.com/1979-300D-Turbo-ftopict169292.html (1979 300D Turbo?)
Does such a factory-born beast exist? Some "guru" guy says no, 1981 is earliest 300D Turbo. True? C
« The first 300SD Turbodiesels were 1977 models - all of about 55 cars. The 1980 was the last year of the 116 body 300SD, a fine vehicle that I still own. Starting in '81 the 126 body began and used.. »
« The 300D 123 body Turbodiesel started in 1981 or 1982 and was sold thru 1985. »
« You can convert that car into a TD... but not factory... maybe in Europe they might have it earlier... »
« The "guru" is close. In the U.S. market, the 300 D Turbodiesel sedan (W 123) first came out for the 1982 model year in late 1981. The 300 TD Turbodiesel station wagon had already been available for .. »

http://Mercedes-Benz.autoboardz.com/300d-motor-data-ftopict169332.html (300d motor data)
I need help. Could somebody send curves of torque and output for motor OM 617 D 30/617.91 300D from 1979. And there are two motors from asme year and only difference is in max output. Why? Dado
« In 1979 two 5 cylinder diesels were made (for the USA market). The non-turbo motor made 77 horse power, the turbodiesel made 110 horse power and about 167 ft lbs of torque. The turbo motor was rai.. »