4286739 Bucket Cylinder Seal Kit for Hitachi EX120-2 (4287889)

Part number 4286739, for the Hitachi EX120-2, used in the bucket cylinder. Also listed under 4287889. Materials: PU, Viton and NBR rubber.

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.

Which models is it listed for?

The Hitachi EX120-2.

What are the seals made from?

The compounds are polyurethane (PU), Viton and NBR. PU copes with pressure spikes, Viton with heat, and NBR is the usual oil-resistant rubber.

How do I check that kit 4286739 fits my machine?

Compare the model (EX120-2), the part number of your cylinder and the machine serial number with this listing. If one of them is off, ask before you order.

Three checks before ordering:

1. Your machine is a Hitachi EX120-2.
2. The part number of your cylinder lines up with 4286739.
3. The serial number agrees, if the part number is unclear.