3185021270 CYLINDER ASS’Y LIFT(1ST) | Mitsubishi FB20-FB30

Overview

The 3185021270 CYLINDER ASS’Y LIFT(1ST) is the first-stage lift cylinder assembly for Mitsubishi electric counterbalance forklifts. Positioned at the heart of the mast, it converts hydraulic pressure into the initial vertical stroke that raises the carriage and free-lift section. When this cylinder wears, operators notice slow or jerky lifting, mast drift under load, reduced lift height, or hydraulic oil weeping around the mast channels. Fitting a correct-fit replacement cylinder restores smooth, predictable lifting and helps protect the rest of the hydraulic system from unnecessary strain.

Compatibility

The 3185021270 for FB20(H)CA and its sister chassis covers two closely related Mitsubishi electric forklift series:

• FB20-FB30(H)CA series: FB20(H)CA, FB25(H)CA, FB28(H)CA and FB30(H)CA
• FB20-FB30CA1(J) series: FB20(H)CA1(J), FB25(H)CA1(J), FB28CA1(J) and FB30CA1(J)

All eight trucks share the same mast family, so one first-stage lift cylinder assembly serves the range. Because mast configurations can vary within a model code, confirm the number on your truck and mast data plates before ordering. If your nameplate shows a different code, contact us and we will cross-check the 3185021270 against your application.

Quality and Reliability

This cylinder assembly is produced to match the original Mitsubishi specification for the application, with close attention to bore diameter, stroke length, rod surface finish and mounting interfaces. The seals are selected for the duty cycles typical of electric warehouse forklifts, where the mast may cycle hundreds of times per shift. Supplied as a complete assembly, the unit lets you replace the first-stage cylinder as one matched component rather than mixing worn and new parts — a common root cause of repeat mast faults.

Installation and Maintenance Tips

• Fully lower the mast, park on level ground and apply lockout/tagout before starting.
• Support the inner mast or carriage so nothing settles when the cylinder is detached.
• Relieve system pressure and cap open hydraulic hoses to keep contamination out of the circuit.
• Compare the old unit with the new 3185021270 before fitting: check port position, mounting holes and overall length.
• Torque fittings to specification, refill with clean hydraulic oil and bleed air from the lift circuit.
• Cycle the mast several times after installation and inspect fittings and seals for leaks.
• Inspect the rod surface and seal areas during routine service; catching weeping seals early prevents unplanned downtime.

Why Order from Us

Forkliftpartssearch.com specialises in forklift spare parts, so we understand mast hydraulics and the cost of a truck that cannot lift. When you order the 3185021270 CYLINDER ASS’Y LIFT(1ST), you get fitment support from specialists who can verify the part against your Mitsubishi model and serial number, clear product information, and a responsive team if you need a cross-reference for an OEM number that is not listed on this page. Keep your FB20-FB30 electric forklifts lifting to full height — order your first-stage lift cylinder from a supplier that knows the parts it sells.