Excavator Thumb Cylinders

Excavator Thumb Cylinders – Hitachi, John Deere, Caterpillar

VI Equipment has a large inventory of Excavator Parts, including John Deer Thumb Cylinders, Hitachi Thumb Cylinders, Caterpillar Thumb Cylinders and more ready to ship worldwide. We offer used, rebuilt and new thumb cylinders for excavators. Choose from one our thumb cylinders below or contact us for all your excavator part needs!

We Ship Excavator Thumb Cylinders to the USA, Canada, and Worldwide

No matter where your project takes you, VI Equipment can keep you moving. We offer global shipping on all our excavator thumb cylinders, ensuring you get the parts you need quickly and efficiently.

Why Shop VI Equipment for Your Excavator Thumb Cylinders

There are many reasons to choose VI Equipment for your excavator thumb cylinders. We offer exceptional value, unmatched selection, and reliable performance to keep your projects on track. Discover the VI Equipment difference and experience the benefits firsthand.

Excavator Thumb Cylinders: Secure Grip for Sorting, Loading, and Demolition

Thumb cylinders let your operator pinch, twist, and hold irregular loads—rocks, logs, rebar—without losing control or wasting cycle time. Because they’re constantly extending and retracting against the bucket’s curling force, thumb cylinders see more rapid seal wear and rod scoring than any other auxiliary circuit component. VI Equipment carries fully dressed replacement thumb cylinders—rod, barrel, gland, pins, and grease fittings—so you can bolt in a unit that restores factory grip pressure and keeps material moving, not spilling.

Reman & Brand-New Thumb Cylinders for John Deere, Hitachi & Caterpillar

Whether you run a Deere 35G sorting brush, a Hitachi ZX225 stacking rip-rap, or a Cat 320 handling demo debris, we catalog thumb cylinders by machine model, serial prefix, and OEM part number so matching takes minutes. Reman cylinders are stripped, honed, fit with new hard-chromed rods, and pressure-tested for drift—delivering OEM performance at roughly 60 % of dealer cost. Prefer brand-new? Our premium aftermarket line is forged from 42CrMo alloy steel, uses high-density piston seals rated to –40 °C, and ships with a 12-month unlimited-hour warranty.

Detecting Thumb-Cylinder Wear Before It Costs You

Watch for “bucket drop” when clamping, chrome pitting where rock chips nick the rod, or oily streaks running down the barrel—classic signs of seal bypass. Measure drift with the engine off; more than 5 mm/min means the piston seals are leaking. A simple case-drain flow check will confirm whether a reseal kit, barrel hone, or full replacement is the smartest move. Email our parts desk a photo of the cylinder tag or your bore-stroke numbers and we’ll confirm the right match in minutes.

In-House Thumb-Cylinder Rebuilds: 48-Hour Turnaround

Our Langley cylinder shop reclaims most thumb cylinders in two business days. We hone barrels to <0.15 µm Ra, straighten or replace bent rods, and press in new bushings. Premium Parker or NOK seal kits finish the build, and every cylinder is pressure-tested to 5 % above factory spec before it leaves the bench. Customers typically gain 3 000–4 000 additional operating hours—often for less than half the cost of a new unit.

Core Exchange Program: Swap & Save

Ship us your worn thumb cylinder and walk away with a dyno-tested reman today. Core credit posts once the return passes inspection—cutting your net cost and keeping usable steel out of the landfill. Ask our parts team for current core values and prepaid freight labels.