The Genie 77411GT is a genuine OEM Counterbalance Valve designed for Z-45/22, Z-45/25J IC Power, and Z-45/25 articulating boom lifts. As a direct factory replacement, this valve meets the original engineering specifications for the hydraulic system on these machines, ensuring proper load-holding and controlled boom movement. Cross-reference part number 77411GT against your Genie parts manual to confirm fitment before ordering.
Key Features
- Genuine OEM Hydraulic Integrity — Built to Genie's original valve tolerances, ensuring correct cracking pressure and load-holding performance specific to the Z-series boom hydraulic circuit.
- Direct-Fit Replacement — Engineered to connect directly into the existing hydraulic porting on compatible Z-boom lift models, with no reworking of fittings or lines required.
- Broad Z-Series Compatibility — Fits the Z-45/22, Z-45/25J IC Power, and Z-45/25 articulating boom lifts, covering multiple platform and power configurations in the Z-45 family.
- Controlled Load Holding — Maintains stable boom position under load by preventing unintended drift when hydraulic pressure is relieved, keeping the platform steady during work positioning.
- Aerial Lift Safety Function — A correctly functioning counterbalance valve is critical to safe boom operation; a worn or failed valve can result in uncontrolled boom movement, making timely replacement essential for operator safety and compliance with aerial work platform standards.
A counterbalance valve is a hydraulic safety and control component mounted in the boom's lift circuit. Its job is to hold a suspended load in place by resisting backflow through the hydraulic cylinder when the control input is released, preventing the boom from drifting or dropping unexpectedly. When this valve wears, sticks, or fails, the boom may creep downward under load, respond erratically, or lose the ability to hold position — all conditions that compromise safe operation of the machine and require immediate attention.
Part Details
| Part Number | 77411GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Counterbalance Valve |
Compatibility & Fitment
| Name | Model |
|---|---|
| Z-45/22 | Z-45/22 |
| Z-45/25J IC Power | Z-45/25J IC Power |
| Z-45/25 | Z-45/25 |
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.