The Genie 89212GT is a genuine OEM Wheel Drive with Brake, 85:1 designed for Genie S-100, S-105, S-120, and S-125 telescopic boom lifts. Sourced directly from Genie, this component meets the exact engineering specifications of the original unit — no guesswork on fit or function. Cross-reference 89212GT against your parts manual to confirm the correct application for your machine's serial range before ordering. When a drive unit fails on a large-platform telescopic boom, getting the right replacement installed quickly is critical to keeping your crew working at height safely and efficiently.
Key Features
- Genuine OEM Drive Integrity — Manufactured to Genie's exact torque and gear-ratio specification for the 85:1 reduction, ensuring the drive unit delivers the precise ground speed and tractive effort the machine was engineered for.
- Integrated Brake Assembly — The brake is built into the unit, meaning a single component swap restores both drive and braking function together — no separate brake sourcing or pairing concerns.
- Direct-Fit for Large Telescopic Booms — Confirmed compatibility with Genie S-100, S-105, S-120, and S-125 telescopic boom lifts; mounts to the existing drive hub without modification.
- Correct Gear Reduction for High-Reach Operation — The 85:1 ratio is matched to the weight and drive requirements of these large-platform machines, supporting smooth, controlled ground travel under full load.
- Braking Safety on Inclines — The integrated brake holds the machine stationary on grade when drive power is released, a critical function on uneven jobsite terrain. A worn or failed unit can compromise the machine's ability to hold position safely.
A wheel drive with brake is a self-contained gearbox and brake assembly that converts motor output into controlled wheel rotation. The gear reduction — 85:1 in this case — slows motor speed down to a usable travel speed while multiplying torque, giving large telescopic boom lifts the pulling power to move across rough or sloped surfaces. The integrated spring-applied brake engages automatically when drive power is cut, preventing unintended machine movement on grades. When this assembly wears out or fails, the machine may lose traction, travel erratically, or be unable to hold its position safely on anything but flat ground — making prompt replacement with the correct OEM unit essential.
Part Details
| Part Number | 89212GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Wheel Drive with Brake, 85:1 |
Compatibility & Fitment
| Name | Model |
|---|---|
| S-120 | S-120 |
| S-125 | S-125 |
| S-100 | S-100 |
| S-105 | S-105 |
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.
