Pin retaining clip (Circlip / Retaining Clip type) with part number 821/00459 from the GX-AFTER offer. It is a specialized locking element designed for large diameter pins of 60 mm. Used in critical points of the kinematic system (e.g., kingpost, slew) in JCB 3CX and 4CX backhoe loaders. It prevents the pin from sliding out under working loads.
GX-AFTER fasteners are made of high-grade spring steel, which retains its properties even after multiple load cycles. This guarantees a secure hold of the pin in all conditions.
| Brand | Models |
|---|---|
| JCB | 3CX, 4CX (60mm diameter pins - usually within the kingpost and slew area) |
The retainer fits only 60 mm diameter pins. Please measure before purchasing.
The retainer works with 60mm pins. When replacing this element, it is also worth checking the condition of the sliding bushings, as play on bushings can cause shearing of retainers.
Absence or damage to the 60mm pin retainer is critical for safety. These pins hold the main structural elements of the excavator. Their sliding out threatens catastrophic machine damage and accidents. Check their presence daily!
Element 821/00459 axially locks the pin, preventing it from moving.
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Pins with a diameter of 60 mm in backhoe loaders are usually used in main pivot points, such as the kingpost (mounting the entire rear arm to the frame) or main boom pins. They carry the heaviest loads in the entire machine.
The retainer is designed to fit a pin with a nominal diameter of 60 mm. Its internal dimension is appropriately matched to the neck or hole in such a pin.
Spring steel used to produce such retainers has a very high yield strength. This means that it can deform significantly during assembly (e.g., bend open), and after the force is released, it will return to its original shape, clamping on the pin.
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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