A key component for controlling the rear hydraulics – this is a genuine OEM Husco hydraulic valve block. It is designed for JCB 3CX and 4CX backhoe loaders manufactured after April 1999. This multi-section valve block precisely controls all backhoe functions (boom, dipper, bucket, slew, etc.) and includes the integrated solenoid valve for the hydraulic sideshift clamp.
By choosing GX-OEM parts, you choose uncompromised original equipment quality. Our products are manufactured with the highest precision, guaranteeing a perfect fit and parameters identical to the original. This is the best investment in the long and trouble-free operation of your machine.
| Brand | Type / Series / Model |
|---|---|
| JCB | Backhoe Loaders: 3CX, 4CX (models manufactured after April 1999) |
The list above is for reference. Verifying the machine's build date (post 04/1999) and part number is crucial.
Before removing the valve block, ensure all pressure in the hydraulic system is fully released (e.g., by lowering attachments and moving controls with the engine off). High-pressure hydraulic oil can penetrate the skin and cause severe injury.
The hydraulic valve block is the "brain" of the system, directing high-pressure oil to the individual rams (e.g., boom, slew, bucket, sideshift clamp). Its failure leads to a loss of control over the backhoe arm.
📞 Can't find the part you're looking for?
No problem. Our website shows only a few thousand of the over 60,000 parts we have in stock. Contact us – we probably have what you need on the shelf!
"Hydrościsk" is the Polish term for the hydraulic sideshift locking system. This valve block includes a specific solenoid valve that controls the ram responsible for releasing and locking the backhoe's carriage to the frame, allowing it to slide left and right.
2. Why must I flush the system and change the oil (e.g., HYPTRON oil)?A valve block is a precision component. If the old valve failed (or worse, a hydraulic pump failed), microscopic metal filings are circulating in the system. Leaving this contaminated oil will cause the new valve block's spools to be immediately scratched and seized, voiding the warranty. New oil and filters (e.g., REDX filters) are essential.
3. Will this fit my 1998 machine?Probably not. This model is specified for machines built after April 1999. Older machines used different valve blocks. You must verify the part number on your old valve block before ordering.
Have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you choose the right part to get your equipment back to work as soon as possible.
Data sheet
Specific References
Manufacturer
Responsible person
See also similar products









Valve excavator sideshift suitable for JCB 3CX 4CX backhoe loaders after April 1999.

















