Top link cylinders replace the fixed center link on a Category 1, 2, or 3 three-point hitch, letting the operator adjust implement pitch from the seat instead of cranking a turnbuckle. Most are double-acting welded cylinders sized by bore, stroke, retracted length, and pin-to-pin eye spacing, so confirm those dimensions and the working pressure before ordering. If you are matching an OEM or discontinued unit and only have worn pins to measure from, send your specs for a cross-reference.
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A hydraulic top link bolts in where the manual center link was, so fit is driven by a handful of dimensions. Measure or confirm these before you order:
A top link is one application of a welded hydraulic cylinder, so the closest alternates share construction. Welded Cylinders: Cross Tube use a tube-style mount that suits many three-point and loader frames, while Welded Cylinders: Clevis Mount pin into a forked bracket for tilt and lift work. All of these are Double Acting Hydraulic Cylinders, powered in both directions. If your application needs a serviceable, rebuildable barrel instead of a sealed welded body, compare Tie Rod Cylinders. Browse the full range under Hydraulic Cylinders to confirm bore, stroke, and mount.
A top link cylinder needs a flow and control path to function. A Hydraulic Pumps source supplies the pressure, a Hydraulic Valve directs flow to extend or retract the rod, and Hydraulic Hoses carry oil to the cylinder ports. Match port and thread sizes with the right Fittings so the connections seal without adapters stacked end to end.
Top link cylinders on older tractors are often discontinued or carry an OEM number no longer cataloged. We have cross-referenced replacement hydraulics since 1963, and a worn unit can usually be matched by its physical dimensions even with no legible part number. Measure bore, stroke, retracted pin-to-pin length, pin diameter, and port size, and request a cross-reference.
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