The Multiquip 42590-SK Main Frame Kit is a genuine OEM structural replacement designed for the HTX6H heavy-duty hydrostatic ride-on power trowel. As a factory-sourced assembly, this kit delivers the exact fit and structural integrity required for a machine that takes on demanding concrete finishing work. Sourced directly through Multiquip's OEM supply chain, the 42590-SK is the correct specified replacement for HTX6H operators performing frame-level repairs or rebuilds.
Key Features
- Genuine OEM Structural Integrity — Manufactured to Multiquip's original design tolerances, ensuring the frame maintains proper geometry and load-bearing performance for the HTX6H platform.
- Complete Kit Configuration — Supplied as a full Main Frame Kit, giving technicians all the core structural components needed for a frame-level service in a single part number.
- Confirmed HTX6H Fitment — Engineered specifically for the HTX6H heavy-duty hydrostatic ride-on trowel; verify your model code before ordering to ensure correct application.
- Restores Machine Alignment and Stability — A damaged or worn main frame compromises blade pitch geometry and operator control; replacing with the correct OEM kit restores the trowel's handling and finishing consistency.
- Direct OEM Replacement — The 42590-SK installs into the HTX6H as the original component did, eliminating the guesswork and rework associated with non-specified alternatives.
The main frame is the foundational structural assembly of the ride-on power trowel, serving as the mounting backbone for the engine, hydraulic drive components, operator controls, and rotor assemblies. It carries and distributes the operational loads generated during concrete finishing, keeping all working systems in proper alignment. When the main frame is cracked, bent, or structurally compromised, blade pitch control becomes inconsistent, drivetrain components experience abnormal stress, and safe operation of the machine is at risk — making prompt replacement with the correct OEM kit essential.
For questions about fitment or to confirm this part is right for your HTX6H, contact the DHS Equipment parts team before placing your order.
Part Details
| Part Number | 42590-SK |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Main Frame Kit |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | HTX6H |
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.