The Husqvarna 599166801 Lock Nut is a genuine OEM fastener designed for CRT36, CRT48, CRT48PS, and CRT60X power trowels, as well as the FS4600G floor saw. As an authentic Husqvarna component, this lock nut is manufactured to the exact specifications required to maintain secure, properly torqued connections on your equipment. Cross-reference part number 599166801 against your parts diagram to confirm the correct application before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Fastener Integrity — Manufactured to Husqvarna's exact thread pitch and hardness specifications, ensuring correct clamping force and resistance to loosening under vibration-heavy operation.
- Direct Drop-In Replacement — Engineered to match the original fastener geometry, this lock nut installs directly without modification to mating hardware or surrounding components.
- Broad Cross-Machine Fitment — Compatible with CRT36, CRT48, CRT48PS, and CRT60X power trowels and the FS4600G floor saw, covering a wide range of Husqvarna construction equipment.
- Vibration-Resistant Locking Action — The locking feature prevents gradual loosening caused by the continuous vibration generated during troweling and floor saw operation, protecting the integrity of the fastened assembly.
- Structural Connection Assurance — Using the correct OEM lock nut ensures critical assemblies remain torqued to specification, preventing component shift, misalignment, or premature wear of adjoining parts.
A lock nut is a specialized fastener designed to resist loosening under vibration and dynamic loads — conditions that are constant during power trowel finishing passes and floor saw cutting operations. Unlike a standard nut, its locking mechanism maintains clamping force even as the machine cycles through repeated stress. When a lock nut fails or is substituted with an incorrect fastener, the connected assembly can shift or work loose, leading to misalignment, accelerated wear on surrounding components, and potential mechanical failure during operation.
Part Details
| Part Number | 599166801 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Lock Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Trowel | CRT36 |
| Power Trowel | CRT48 |
| Power Trowel | CRT48PS |
| Power Trowel | CRT60X |
| Floor Saw | FS4600G |
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.
