Massey Ferguson 590 v1.0.0.4
The most significant overhaul of the 500 Series, introduced in the spring of 1976, was factory-fitted, almost flat-floor cab. In Finland, these models was introduced only in early 1977, when equipped with a sunroof and others
A model that meets Finnish safety requirements was put into production. To Finland these models were mostly imported from England, but 590 were imported partly from France e.g. Because of the long strikes in England.
The basic technology was almost the same as in the 100 series. The fuel tank had been moved from the engine under the cab. The gearboxes were even more familiar, and lifting forces were still modest. Instead, the return on hydraulics was great for models with a high-power pump. The control was hydrostatic.
The power take-off had the option of a speed of 1000 rpm by changing the shaft and the power take-off clutch was hydraulic. The wheelbase of the tractors was the same as in previous 148/168/18 models. The cab was in most countries until Until 1979, 1-door, but in Finland the regulations require another door.
The smallest models in the series were the 3-cylinder 550’s and the old 165’s
Equipped with a 3.3-liter engine 560 (56 hp). Finnish import models were 565, 575 and 590. In addition, in Finland the importer installed with varying degrees successfully turbocharged the 9090 engine to produce 90 hp. Different turbocharged versions from manufacturers were also marketed in many other countries through the official sales network, although MF itself does not such a version wanted to do. Cooperation between MF and Ursus in the start-up phase, 3-cylinder models 535 were also made for Poland and 555, as 235 and 255 entering production in Poland were not yet available ready.
In the beginning, the road speeds of the standard models were quite low, however in rear-wheel drive models, they were later grown. On the front axle of Landin equipped with an all-wheel drive model was initially only 590, from the summer of 1978 onwards also from 575. In the summer of 1980, the visual overhaul of the models was at the top as well red cab. In the summer of 1981, 12 + 4 tractors were also equipped with a Synkropower transmission, which only came to Finland in the 600 series.
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