The Genie 128634GT Lower Compression Arm Weldment is a genuine OEM structural component designed for Z-30/20N and Z-30/20N RJ articulating boom lifts. Sourced directly from Genie, this weldment matches the original assembly specification, ensuring it seats, bolts, and functions exactly as the factory-built unit did. Cross-reference part number 128634GT against your Genie parts manual to confirm fitment before ordering. If your Z-30/20N is showing signs of structural wear, fatigue, or damage at the lower arm, this is the correct replacement to restore the boom to full working order.
Key Features
- Genuine OEM Structural Integrity — Manufactured to Genie's original weld and material specifications, delivering the load-bearing strength this arm position demands.
- Direct-Fit Replacement — Matches the original mounting points and geometry of the lower compression arm on Z-30/20N articulating boom lifts, so installation follows the standard service procedure without rework.
- Confirmed Fitment — Designed specifically for the Z-30/20N and Z-30/20N RJ articulating boom lifts, keeping parts sourcing straightforward for fleet operators and technicians.
- Restores Boom Articulation Performance — A sound lower compression arm weldment is essential for smooth, controlled boom movement. A cracked or deformed arm compromises the geometry of the entire articulating linkage.
- Critical Safety Component — The lower compression arm carries structural load during boom extension and elevation. Replacing a damaged weldment with a genuine OEM part helps maintain the structural safety of the aerial platform.
The lower compression arm weldment is a primary structural member in the articulating boom's linkage assembly. It works in conjunction with the upper arm and pivot joints to transfer load and maintain the correct geometry as the boom raises, lowers, and articulates. When this weldment cracks, bends, or suffers weld failure, the boom's range of motion and load capacity are directly compromised — and continued operation risks further structural damage or loss of platform control. Replacing it with the correct genuine OEM part restores the designed strength and movement characteristics of the articulating system.
Part Details
| Part Number | 128634GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Lower Compression Arm Weldment |
Compatibility & Fitment
| Name | Model |
|---|---|
| Z-30/20 N | Z-30/20 N |
| Z-30/20N RJ | Z-30/20N RJ |
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.
