Description
A JCB 3DX Shovel Ram Seal Kit (also known as the loader bucket/shovel cylinder seal kit) is a set of hydraulic sealing components designed to prevent fluid leakage and maintain hydraulic pressure inside the shovel/loader ram cylinders of a JCB 3DX backhoe loader.
Key Components included in the Kit
A complete seal kit typically contains:
Rod Seal (U-Cup / Lip Seal): Prevents hydraulic fluid from leaking out around the cylinder rod during operation.
Dust / Wiper Seal: Fits on the outer edge to wipe away dirt, dust, and mud from the cylinder rod as it retracts, protecting the interior components.
Piston Seal: Installed around the piston head to prevent fluid from bypassing between the extend and retract chambers inside the ram cylinder.
Wear Rings / Guide Bands: Prevents metal-to-metal contact between the piston/rod and the cylinder barrel wall.
O-Rings & Back-up Rings: Provides static sealing on the gland head and prevents O-rings from extruding under high pressure.
Technical Specifications & Features
Compatibility: JCB 3DX, 3DX Super, 3DX Eco, 3D series backhoe loaders.
Materials Used: Polyurethane (PU), Nitrile Rubber (NBR), PTFE (Teflon), and Nylon.
Working Pressure: Up to 250–300 Bar.
Temperature Resistance: -20°C to +100°C / +120°C.
Common Part Numbers:
336/E8025
332/Y8994

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