The once-over tillage machine can complete the pulverizer, soil transporting, soil mixing, leveling before sowing, repression, and can be directly prepared flat seedbed, they  can improve the efficacy, reduce the cost. After stubble ploughing, the organic soil quality contents rise, soil structure improves, the yield improves.

Model	Unit	1LZ-3.6	1LZ-4.2	1LZ-5.4	1LZ-7.2
Max. width	m	3.6	4.2	5.4	7.2
Working depth	mm	14	14	14	14
Dia. of disc	mm	460(510)	460(510)	460(510)	460(510)
Blade spacing	mm	170	170	170	170
Harrow group angle		3 ,6 ,9 ,11 ,13	3 , 6 ,9 ,11 ,13	3 ,6 ,9 ,11 ,13	3 , 6 ,9 ,11 ,13
Operating speed	km/h	7-9	7-9	7-9	7-9
Productivity	ha/h	2.28	2.66	3.33	4.44
Transport clearance	mm	>280	>280	>280	>280
Matched power	HP	>65 four wheels drive	>80	>100	>120
Overall dimension	cm	660*380*100	660*440*100	660*560*100	700*750*100