n r/min 2000 1600 1200 800 Me N-m 200 g / kW h 160 300 120 280 80 260 40 240 o 10 15 20 25 30 35 Pe kW Fig. 16 Speed adjusted characteristic curve for 1600, 2000r/min diesel engine used for tractors 17 II / } V '/ '" ~~ ~ ~ ~ " - .. \ \ ~ ~ ~ ............. ~ ~ - ~~ I 'r--'- ) ~ \ ~'v V I) ) , \ , ~" , , ~ :/ / ~ ~ '" ~ / ~ V \ ~ I"'" ~~ / ~ 'i\v v l/ ~ ~ / ~~ ~ ~ ~~ ~ V~ ~ '-. i'- ~ ~ ". -... ~ ............. ......... " '" ~ ~ ~ --....- .......... ........... 11III..- - :> ,) ---