FIELD: transport.
SUBSTANCE: set of inventions relates to self-propelled vehicle control. Self-propelled vehicle with engine control system comprises adjustable-rpm drive engine and rpm-adjustable working tools. Engine rpm is controlled subject to drive engine load. Drive engine is engaged with working tools via transmission including transmission unit to maintain constant rpm of working tool drive. Said transmission unit is composed of transfer mechanism of power separation incorporating power transfer mechanical links. Method of operating self-propelled working machine consists in using engine rpm control system to keep invariable rpm unless power threshold is reached. Said threshold overshot, rpm is changed.
EFFECT: fuel savings.
17 cl, 3 dwg
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