... and durable , stable function.2,The cultivate knife number is more, which is good at crashing earth3,Match teet Specificationunit1BQ-3Working Widthm3Harrow ... power speedR/min100r/min Recommend to use 540r/min power is more than 73kw (100hp) not useTotal Widthm3.1 Total ... and durable , stable function.2,The cultivate knife number is more, which is good at crashing earth3,Match teeth type rolling to ...