%0 Journal Article %T INCREASING OF THE SKIDDING TRACTOR FUEL AND ECONOMIC INDICES BY OPTIMIZING THE TRANSMISSION PARAMETERS %A Wu Hay, C.. %A Valyazhonkov, V.D. %A Mikhaylov, O.A. %K skidding tractor, maximum efficiency, fuel consumption, wood %J Bulletin of KSAU %D 2013 %N %P 6 %I Krasnoyarsk State Agrarian University