The Genie 123187GT Chain Sheave is a genuine OEM component built for Genie GTH series telehandlers, including the GTH-636, GTH-644, GTH-842, GTH-844, GTH-1048, and GTH-1056. As a direct OEM replacement, this sheave is manufactured to the same specification as the original part, ensuring a correct, drop-in fit without rework or modification. Cross-reference part number 123187GT against your machine's parts manual to confirm it is the correct item for your unit before ordering.
Key Features
- Genuine OEM Dimensional Conformity — Manufactured to Genie's original specification, ensuring the sheave seats, aligns, and engages the chain exactly as the factory-designed part does.
- Direct OEM Replacement — Installs in place of the original chain sheave with no adaptation required, maintaining proper chain tracking and tension geometry.
- Broad GTH Telehandler Coverage — A single part number covers multiple GTH models, including the GTH-636, GTH-644, GTH-842, GTH-844, GTH-1048, and GTH-1056.
- Chain Path Integrity — A correctly functioning sheave guides the chain smoothly along its path; a worn or damaged sheave causes uneven chain wear, binding, or chain derailment that can compromise boom extension performance.
- Operational Safety — The chain sheave is a load-bearing guide component in the telehandler boom system. Replacing a worn sheave with a genuine OEM part maintains the structural integrity of the chain drive and supports safe load-handling operation.
A chain sheave is a grooved pulley that guides and redirects the drive chain as the telehandler boom extends and retracts. It keeps the chain running true along its designed path, distributing load evenly and preventing the chain from jumping or chafing against surrounding components. When a sheave is worn, cracked, or seized, the chain can track unevenly, accelerating chain wear and introducing slack or binding that affects boom movement — making prompt replacement with the correct OEM part essential for keeping the machine operating safely and predictably.
Part Details
| Part Number | 123187GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Chain Sheave |
Compatibility & Fitment
| Name | Model |
|---|---|
| GTH-644 | GTH-644 |
| GTH-844 | GTH-844 |
| GTH-842 | GTH-842 |
| GTH-636 | GTH-636 |
| GTH-1048 | GTH-1048 |
| GTH-1056 | GTH-1056 |
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.
