Model 1BJ-4.4 with 40 discs folded wing middle-duty disc harrow is suitable for operation on middle and light soil as harrowing instead of plowing, loosening soil before sowing, cleaning residues of crops and weeds. The machine has the merits of high efficiency and reasonable utilization of the power, well ability of crushing soil, working width is wide and transportation width is narrower, etc. It is easy to be mounted and adjusted, reverse freely, and convenient for transportation. ????(Item) 1BJX-1.8 1BJX-2.0 1BJX-2.2 1BJX-2.4 1BJX-2.5 1BJ-4.4 ????(cm) Overall dimension 185*201*132 198*224*132 198*247*132 278*247*132 297*268*146 542*432*113 ??(m) Working width 1.8 2.0 2.2 2.4 2.5 4.4 ????(?) Qty of disc 16 18 20 22 24 40 ????(mm) Disc diameter 560 560 560 560 560 560 ??(mm) Working depth 140 140 140 140 140 140 ????(kg) Overall weight 390 434 463 604 760 1750 ????(KW) Fitted power 33 37~44 37~47.8 47.8 54.9 55-73.5 ???? Linkage ????(Standard three-point mounted) ??(Trailed)