The Genie 139865GT is a genuine OEM Hex Head Cap Screw, 5/8-11 x 4.00, GR8, Black Oxide built for Genie S series telescopic boom lifts and Z series articulating boom lifts, including the S-60, S-65, Z-62/40, Z-45/25 IC, and Z-51/30J. As a direct OEM replacement, this screw meets Genie's exact material and dimensional specifications for the application. Cross-reference part number 139865GT against your machine's parts manual to confirm it is the correct fastener for your unit before ordering.
Key Features
- Exact OEM Dimensions — The 5/8-11 thread pitch and 4.00-inch length match Genie's specification precisely, ensuring correct thread engagement without modification.
- Direct OEM Replacement — Sourced directly from Genie, this screw installs in place of the original without the need for substitutions or thread chasing.
- Broad Boom Lift Fitment — Compatible with Genie S series telescopic and Z series articulating boom lifts, including the S-60, S-65, Z-62/40, Z-45/25 IC, and Z-51/30J.
A hex head cap screw is a precision fastener used to clamp or secure structural and mechanical assemblies to a defined torque specification. In boom lift applications, fasteners like this one hold together critical structural joints and mechanical assemblies where consistent clamping load is essential for safe, reliable operation. A fastener that is the wrong grade, wrong length, or wrong thread pitch will not develop the correct clamp load — and in some cases may back out under vibration or load — so using the correct OEM specification screw is important wherever Genie calls for a GR8 fastener.
Part Details
| Part Number | 139865GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Hex Head Cap Screw, 5/8-11 x 4.00, GR8, Black Oxide |
Compatibility & Fitment
| Name | Models |
|---|---|
| S-60 | S-60 |
| S-65 | S-65 |
| Z-45/25 IC | Z-45/25 IC |
| Z-51/30J | Z-51/30J |
| Z-62/40 | Z-62/40 |
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.
