Multiquip 3TNV84TKSA Engine Yanmar HTX

The Multiquip 3TNV84TKSA Engine Yanmar HTX is a genuine OEM power unit designed for HTX44K4 and HTX44K5 heavy-duty hydrostatic ride-on power trowels. As a direct OEM replacement, 3TNV84TKSA delivers the exact output, mounting configuration, and operational spec your machine was built around. This engine is sourced directly through Multiquip's authorized parts network, ensuring you receive an unmodified, production-matched component. If your HTX44 series trowel is down, this is the correct replacement to get it back to full working capacity.

Key Features

• Genuine OEM Yanmar Power: — Matched to the original Yanmar diesel specification used in HTX44 hydrostatic trowels, delivering the correct torque curve and power output for hydraulic blade and drive control.
• Direct-Fit Replacement: — Engineered to bolt into the HTX44K4 and HTX44K5 chassis with the same mounting points, exhaust orientation, and PTO interface as the factory-installed unit.
• Confirmed HTX44 Series Fitment: — Verified for HTX44K4 and HTX44K5 Whiteman ride-on power trowels — cross-reference part number 3TNV84TKSA before ordering to confirm your model.
• Full Hydraulic System Support: — Powers the hydrostatic drive system that controls both blade pitch and machine movement; a worn or failed engine directly compromises finishing consistency and operator control.
• Authorized Parts Network: — Supplied through Multiquip's authorized distribution channel, so traceability, part integrity, and correct application are assured from the source.

The Engine Yanmar HTX serves as the core power source for the HTX44 series hydrostatic ride-on trowel. Unlike mechanically driven trowels, hydrostatic machines rely entirely on engine-driven hydraulics to modulate blade pitch and propel the unit across the slab — meaning engine performance directly determines finishing quality and operator responsiveness. When this engine weakens, loses power, or fails, the hydraulic system loses pressure, blade control becomes inconsistent, and the machine can no longer hold a straight finishing pass. Replacing it with the correct OEM unit restores the full hydraulic output the trowel's control system was calibrated to work with.

Part Details

Compatibility & Fitment

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.