The Genie 1259997GT is a genuine OEM Proportional Directional Valve designed for the GTH-636 telehandler. Sourced directly from Genie, this valve meets the exact hydraulic specifications required to keep your machine operating with accurate, responsive boom and attachment control. As a genuine OEM component, it delivers the precise flow-metering performance the GTH-636 hydraulic system was engineered around, with no guesswork on compatibility. Cross-reference part number 1259997GT against your parts manual to confirm fitment before ordering.
Key Features
- Genuine OEM Hydraulic Precision — Built to Genie's exact proportional flow and pressure specifications, ensuring smooth, stepless hydraulic response that an aftermarket substitute may not replicate.
- Direct-Fit for the GTH-636 — Engineered specifically for the GTH-636 telehandler, this valve connects directly to the existing hydraulic circuit with correct port sizing and mounting geometry.
- Restores Boom and Attachment Responsiveness — A worn or failed proportional directional valve causes erratic or sluggish boom movement; this replacement restores the fluid, proportional control operators depend on.
- Verified Genie OEM Sourcing — Supplied as a genuine Genie part, carrying the quality assurance that comes with authorized OEM components for commercial aerial and material-handling equipment.
- Operator and Load Safety — Precise directional control is critical when maneuvering loads at height; a correctly functioning valve ensures commanded movements are smooth and predictable, supporting safe telehandler operation.
A proportional directional valve governs the flow and direction of hydraulic fluid to the boom, steering, and attachment circuits of a telehandler. Unlike a simple on/off valve, a proportional unit modulates flow continuously in response to operator input, translating joystick or lever movement into smooth, graduated boom and attachment motion. When this valve begins to fail — through internal wear, contamination, or solenoid degradation — operators may notice jerky boom movement, delayed response, or a complete loss of hydraulic function in the affected circuit. Replacing it with the correct OEM component restores the precise hydraulic authority the GTH-636 was designed to deliver.
Part Details
| Part Number | 1259997GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Proportional Directional Valve |
Compatibility & Fitment
| Name | Model |
|---|---|
| GTH-636 | GTH-636 |
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.