Forklift Single Acting Lifting Hydraulic Piston Cylinder

Forklift Single Acting Lifting Hydraulic Piston Cylinder — 310mm Overall, 178mm Stroke

This single-acting hydraulic piston cylinder is designed for forklift mast lift applications, providing the vertical lifting force that raises the carriage and load. The cylinder operates on a single-acting principle — hydraulic pressure extends the piston rod, while gravity and the load weight provide the return force. With an inner tube diameter of 70mm, outer tube diameter of 80mm, rod diameter of 40mm, and a maximum stroke of 178mm at 310mm overall length, this compact cylinder is sized for 1-3 ton forklift mast systems. The piston rod is hard chrome plated for corrosion resistance and extended seal life in dusty warehouse and outdoor operating environments.

The cast iron cylinder body provides the structural rigidity needed to withstand the sustained high-pressure operation of forklift lift circuits. The 70mm bore diameter delivers sufficient lifting force for rated loads while maintaining a compact overall package that fits within the forklift mast channel. Single-acting cylinders are the standard design for forklift lift applications because the mast carriage and load naturally return the cylinder to the retracted position — a double-acting design would add unnecessary hydraulic complexity and cost. The hard chrome-plated rod surface resists pitting and scoring that would otherwise destroy hydraulic seals, particularly in applications where airborne dust and debris contact the exposed rod during operation.

Installation involves mounting the cylinder base to the mast cross-member and connecting the rod end to the carriage bracket. The hydraulic line connects to the single port at the cylinder base. Before installation, inspect the rod for any shipping damage to the chrome surface — even minor scratches will cut the rod seal and cause external leaking. Bleed the cylinder by cycling it through its full stroke several times with the engine at idle to purge any trapped air from the hydraulic circuit. Replace the rod seal and wiper when installing a new cylinder to prevent contamination-related failures. For related forklift hydraulic system components, browse our Forklift Hydraulic System catalog.

Technical Specifications

Compatible Forklift Models

Each cylinder is inspected for rod straightness, chrome surface integrity, and port thread condition before packaging. Standard air freight delivery to major ports worldwide. For compatibility verification or bulk orders, contact our team with your forklift model and mast specifications.