Fortschritt E 171 – E 177 ”Patriot”

The production of the S-4 (Stalinez) combine harvester, developed by the Soviet Union, began in the GDR in 1948. The harvester had a 4-meter cutting platform, a grain tank, a 6-cylinder gasoline engine, and 8 forward gears (no continuously variable transmission). In 1953, the engine was replaced with a diesel, and the model designation changed to E 171. Alongside it came the E 173, equipped with a 3-meter cutting platform. The straw was often transferred to a container wagon attached behind the harvester. There was no discharge pipe for the grain tank; instead, the tank was emptied next to the harvester.

At the end of the 1950s, the E 175 (300 cm) and E 176 (300 and, for export, 360 cm) models appeared, featuring a 13 hectoliter grain tank instead of 17 hl and equipped with an unloading auger. The E 174 and E 177 were 3-meter sack harvesters. The cutting platform and the reel were hydraulically adjustable, and the threshing drum speed was adjustable between 385 and 1250 rpm. All models had the same engine and transmission. The E 177 was equipped with a sun canopy and was otherwise made "rainproof." Production of the series continued until 1967. The E 175 was by far the most common model.

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