Crane Manipulator Lift Cylinder 63/40-1990 63/40-1990

The Crane Manipulator Lift Cylinder 63/40-1990 63/40-1990 is engineered for demanding lifting and marine applications where reliability and load-holding capacity are critical. Corrosion-resistant surface treatment options include stainless steel rod and marine-grade sealing systems for offshore service. Built to withstand dynamic loading and shock inputs typical of crane and hoist duty cycles. Bore diameter Ø63mm, piston rod diameter Ø40mm, stroke 1990mm. Materials: barrel — seamless honed steel tube; piston rod — 45# or 40Cr alloy steel, induction hardened Ø0.03-0.05mm oversize then hard chrome plated to Ra≤0.4μm; seals — Parker (USA) or Merkel (Germany) standard. All cylinders are hydraulically pressure-tested before dispatch. Custom bore, stroke, mounting, port position and surface treatment available on request. Contact Hengshui export sales for technical drawings and quotation: sales@wx-hxy.com | WhatsApp +86 133 8224 8877.