page_title: Fortschritt ZT 300
section_title: Chronology
hierarchical_section_title: Fortschritt ZT 300 / Chronology
caption_attribution_description: Deutsch: ZT 303
context_page_description: ZT 300 is a series of 20 kN agricultural tractors, produced from 1 September 1967 to 1984 by the VEB Traktorenwerk Schönebeck. It succeeded the RS14 Famulus series, and unlike the Famulus, the ZT 300 series was sold under the brand name Fortschritt. ZT 300 refers both to the initial ZT 300 model, and the ZT 300 series. In total, 72,382 units of the ZT 300 series were made. The model with the highest production figure was the ZT 303, which was introduced in 1972. It features an automatic all-wheel-drive system; in the early 1980s, it cost 81.000 Mark. Starting in 1983, the ZT 300 series was succeeded by the ZT 320.
context_section_description: In total, the ZT 300 series consisted of 6 series production models and one prototype:
  ZT 300: The base model with rear-wheel drive, meant for agricultural use
  ZT 303: All-wheel model, it shares its front axle with the IFA W50 LA
  ZT 304: A road tractor, no hydraulics, no PTO, no work lights, no powershift gearbox
  ZT 305: Like the ZT 303, with additional twin tyres and enhanced dual-circuit brakes
  ZT 300 GB: Based on the ZT 300, has rubber tracks instead of tyres
  ZT 403: An engine upgrade for the ZT 303, the four-cylinder engine was replaced with a six-cylinder engine (type 6 VD 14,5/12-1 SRW) producing 110 kW
  ZT 307: An engine upgrade for the ZT 305, the four-cylinder engine was replaced with a six-cylinder engine (type 6 VD 14,5/12-1 SRW) producing 110 kW. This model was only built as a prototype.
  Some tractors were converted into road-rail-vehicles. They were mainly used in small DDR-plants for shunting.
caption: Twintyre ZT 303
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