Shim washer with part number 823/00220 from the GX-AFTER offer. It is a steel ring with dimensions 82 x 51 x 1.0 mm, designed to eliminate axial play on 50 mm diameter pins. Commonly used in the kinematic systems of JCB machines (JS excavators, backhoe loaders, loaders), in places such as the bucket-to-arm connection, kingpost, or cylinders.
GX-AFTER precision shims are essential for proper attachment installation. Thanks to the use of high-grade steel, they are resistant to abrasion and crushing, which allows for long-term maintenance of the rigidity of pin connections.
| Category | Application |
|---|---|
| Crawler Excavators | JCB JS 130, JS 145, JS 160, JS 180, JS 200, JS 220 (Bucket pins, link - where 50mm dia exists) |
| Backhoe Loaders | 3CX, 4CX (Nodes with increased pin diameter, e.g., rear arm in some Heavy Duty versions) |
| Loaders | Loadall telehandlers (Cylinder pins, frames - verify by dimension) |
The shim fits any 50 mm diameter pin where axial play reduction is required.
The shim is a mounting element for 50mm pins. When regenerating the connection, it is worth also replacing sliding bushings and dust seals (O-rings) to ensure long node operation.
Leaving too much side play on the bucket pin causes impacts during operation ("clapping"), which drastically accelerates the wear of bushings and sockets in the arm. Using shims is a cheap way to avoid expensive arm re-sleeving.
Shim 823/00220 fills the space between the attachment ear and the machine arm.
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The shim has an internal diameter of 51 mm, so it is ideal for pins with a nominal diameter of 50 mm. This ensures 1 mm of mounting clearance.
This specific model is 1.0 mm thick. It serves to precisely eliminate small clearances. Other thicknesses are also available for larger adjustments.
Did you know that an axial play on a pin of just 2 mm can cause a knocking sound audible within a radius of several dozen meters? This is because the metal structure of the excavator arm acts like a resonance box, amplifying every impact.
Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.
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