The Genie 66811GT is a genuine OEM 3-Position Key Switch, Panel-Mounted, with Key built for a wide range of Genie boom lifts, scissor lifts, and personnel lifts. As a direct OEM replacement sourced from Genie, this switch matches the original component in position detents, panel-mount configuration, and keying — so installation goes in without surprises. It fits telescopic boom lifts across the S and SX series, articulating and trailer-mounted booms across the Z, ZX, TZ, and TMZ series, the GS-3384 scissor lift, and IWP Super Series personnel lifts.
Key Features
- Genuine OEM Electrical Specification — Manufactured to Genie's original design with correct contact positions, switching logic, and keying to match the machine's control circuit exactly.
- Three-Position Panel-Mount Design — The three-position detent layout and panel-mount format replicate the original installation, so the switch seats and secures the same way the factory unit did.
- Keyed Operation — Supplied with the correct key, enabling proper operator access control and ensuring the machine cannot be started or operated without the key present.
- Broad Genie Fleet Coverage — A single part number covers a wide cross-section of Genie equipment, including S and SX telescopic booms, Z and ZX articulating booms, TZ and TMZ trailer booms, the GS-3384 scissor lift, and IWP Super Series lifts.
- Operational Safety — The key switch is a primary access-control point on aerial work platforms; a worn or malfunctioning switch can prevent proper machine enable or disable, making accurate replacement critical to safe operation.
- Verified Fitment Against Genie Parts Manual — Cross-reference part number 66811GT against your machine's parts manual before ordering to confirm it is the correct switch for your specific serial number and configuration.
A key switch controls whether an operator can power and activate a machine by requiring the correct key to advance the selector between its positions — typically off, on, and an auxiliary or start position. On aerial work platforms, this switch is part of the machine's primary enable circuit: turning it to the correct position allows the control system to accept input; leaving it in the off position or removing the key prevents operation entirely. A faulty key switch can cause the machine to fail to enable, behave erratically between positions, or lose the ability to be locked out — any of which interrupts the work cycle and, in the case of lock-out failure, creates a safety concern on a live jobsite.
Part Details
| Part Number | 66811GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | 3-Position Key Switch, Panel-Mounted, with Key |
Compatibility & Fitment
| Name | Models |
|---|---|
| GS-3384 | GS-3384 |
| IWP Super Series | IWP Super Series |
| S-45 XC | S-45 XC |
| S-60 | S-60 |
| S-60 J | S-60 J |
| S-65 XC | S-65 XC |
| S-80 J | S-80 J |
| S-80 XC | S-80 XC |
| S-85 XC | S-85 XC |
| S-100HD | S-100HD |
| S-120HD | S-120HD |
| SX-135 XC | SX-135 XC |
| SX-150 | SX-150 |
| SX-180 | SX-180 |
| TMZ-34/19 | TMZ-34/19 |
| TMZ-50/30 | TMZ-50/30 |
| TZ-34/20 | TZ-34/20 |
| Z-20/8 | Z-20/8 |
| Z-20/8N | Z-20/8N |
| Z-25/8 | Z-25/8 |
| Z-30/20 | Z-30/20 |
| Z-34 IC | Z-34 IC |
| Z-34/22 Bi-Energy | Z-34/22 Bi-Energy |
| Z-34/22 IC | Z-34/22 IC |
| Z-45/22 | Z-45/22 |
| Z-45/22 MP | Z-45/22 MP |
| Z-45/25 | Z-45/25 |
| Z-45/25J IC Power | Z-45/25J IC Power |
| Z-60/34 | Z-60/34 |
| Z-80/60 | Z-80/60 |
| Z-135/70 | Z-135/70 |
| ZX-135/70 | ZX-135/70 |
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.
