he research wants to emphasize the constructive particularities of the Romanian tractor U-650 M, concerning the engine, transmission, steps of speed, the work equipment and traction performances. The stage of researches is that of observing and noting down these characteristics. The methods used are those of direct measuring over a few trials. The degree of accessibility is very large, the paper being of real use for students and specialists in agriculture, in the mechanic agriculture domain.

engine; transmission; gear box; speed steps; traction performances

Presentation: oral