Oil weeping at the rod, a cylinder that creeps down under load and digging that feels weak are the usual reasons a cylinder gets resealed. Kit 4660570 is the one listed for the bucket cylinder on the Hitachi ZX450-3F.
What it does
The bucket cylinder curls the bucket in and dumps it out, short strokes under load all day. The compounds are polyurethane (PU), Viton and NBR. PU copes with pressure spikes, Viton with heat, and NBR is the usual oil-resistant rubber.
Fitment note: Match the part number of your cylinder with 4660570 before ordering, and use the machine serial number if the part number is unreadable.
Which OEM number does 4660570 match?
The listing uses 4660570 as the OEM reference part number.
Which models is it listed for?
The Hitachi ZX450-3F.
How do I check that kit 4660570 fits my machine?
Compare the model (ZX450-3F), the part number of your cylinder and the machine serial number with this listing. If one of them is off, ask before you order.
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