1,2,3,3,4 stages used for dump truck 2,chrome plated tube and rod , 3 .each cylinder tested 4,total stroke 600mm -3000mm 1.used for dump truck,middle lay type,middle duty.2.total length and diameter:509mm*202mm3.port size : M20*1.54.all tube and rod chrome plated,plated thichness:0.02mm~0.05mm5.trunnion welded6. material of tube: 27SiMn precise cold drawn pipe7. trustable sealWelcome to our ...