Round Hay Baler, Model MRB0850, MRB0870. The detail specs please see below. Round Hay Baler, Model MRB0850, MRB0870. The detail specs please see below.ItemsMRB0850MRB0870Hay SizeØ50*70cmØ61*70cmOver All Size 115*130*130cm 130*130*135cm Weight390kg370kgWorking Width80cm80cmTire16*6.50-8-4PR16*6.50-8-4PRRequired Power25-50HP30-50HP Mini round hay baler for tractors