DB Series Cylinders Request a Quote find a distributor find a distributor Request a Quote × DB Series Cylinder 1.5" Bore DB Series Hydraulic Cylinder 2" Bore DB Series Hydraulic Cylinder 2.5" Bore DB Series Hydraulic Cylinder 3" Bore Diameter DB Series Cylinder 3.5" Bore DB Series Cylinder 4" Bore DB Series Hydraulic Cylinder 5" Bore Diameter DB Series Hydraulic Cylinder Standard Size Chart