The Genie 77504GT is a genuine OEM 3-Position 4-Way HYDAC Solenoid Valve designed for the Genie Z-80/60 articulating boom lift. Sourced directly from Genie's authorized parts network, this valve is an exact match to the original component installed at the factory, ensuring correct hydraulic circuit behavior and a straight-forward service installation. If you're troubleshooting slow, erratic, or unresponsive boom movement on a Z-80/60, this solenoid valve is a verified fitment solution for that platform.
Key Features
- Genuine OEM Hydraulic Precision — Manufactured to the exact HYDAC specification of the original valve, ensuring correct flow routing, pressure rating, and spool actuation for the Z-80/60 hydraulic circuit.
- Direct-Swap Replacement — Matches the original valve's port configuration and electrical connector, allowing installation into the existing manifold block without adapters or re-porting.
- Verified Fit for the Z-80/60 — Purpose-built for the Genie Z-80/60 articulating boom lift; cross-reference part number 77504GT against your machine's parts manual to confirm application before ordering.
- Restores Full Boom Control — A correctly functioning solenoid valve ensures smooth, responsive directional control of boom functions; a failed or stuck spool can cause boom drift, sluggish response, or complete loss of a boom circuit.
- Aerial-Work Safety Compliance — Hydraulic directional-control valves are integral to safe boom positioning and load holding on aerial lifts; replacing a faulty valve with a genuine OEM unit supports proper machine operation at height.
A solenoid valve controls the direction of hydraulic fluid flow through the boom's hydraulic circuit by shifting an internal spool when an electrical signal energizes the solenoid coil. On a 3-position, 4-way design like this one, the valve can route fluid to extend or retract a boom function, or block flow entirely in the center (neutral) position to hold the boom in place. When the valve fails — whether from coil burnout, a stuck spool, or internal leakage — the affected boom function may become sluggish, fail to hold position, or stop responding to operator input altogether, making prompt replacement essential for safe and productive operation.
Part Details
| Part Number | 77504GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | 3-Position 4-Way HYDAC Solenoid Valve |
Compatibility & Fitment
| Name | Model |
|---|---|
| Z-80/60 | Z-80/60 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
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