This series of 1BZ hydraulic trailed offset heavy-duty disc harrow is mainly applicable to clean the crop residue before tillage, break the hardened and impervious soil surface,crush and spread straw into the field, shatter soil after tillage, and level the land and preserve soil moisture. It can be used as tillage machine instead of plough on the cultivated land. With the efficient productivity, reasonable utilization of the power, great ability of cutting and shattering the soil , the soil surface is smooth and loosening after harrowing, it is well suitable for heavy clay soil, waste land and weedy field as well.
Having absorbed all advantages from such machines of foreigners and Chinese, it is designed accordingto the standarded assembled structure, the main frame is welded with rectangular tubes, on which assembled with hydraulic lifting transportation wheel , adjustable spring device and special used bearing assemblies.
Therefore this machine is strong and durable for operation and easy to be adjusted and maintained with the reasonable structure, small turning radius ,and is convenient for transportation , etc. 
 

item	Unit	1BZ-2.5	1BZ-3.0	1BZ-3.5	1BZ-4.0	1BZ-4.5	1BZ-5.5
Working width	m	2.5	3.0	3.5	4.0	4.5	5.3
Max. working depth	cm	20	20	20	20	20	20
No. of disc		24	28	32	36	40	48
Dia. of disc	mm	660	660	660	660	660	660
weigth	kg	1450	1650	1850	2250	2450	2900
Linkang		Traied	Traied	Traied	Traied	Traied	Traied
Matched power	kw	53-73.5	58.8-88	78-100	96.2-114.7	103.6-118.4	118.4-133.2