The Multiquip 21474 Engine Assembly HHN 34HP Vanguard with CVT is a genuine OEM engine assembly designed for the HHN-34 heavy-duty ride-on trowel. Sourced directly from Multiquip, this assembly delivers the correct power output and CVT configuration required to keep your HHN-34 operating at full capacity. Exact fitment to the HHN-34 platform means this is a true drop-in replacement with no guesswork on compatibility. When you need to restore your machine to full working order, 21474 is the correct part for the job.
Key Features
- Genuine OEM Engine Assembly — Sourced directly from Multiquip, ensuring the 34HP Vanguard powerplant and integrated CVT meet the original engineering specifications for the HHN-34 trowel.
- Integrated CVT Configuration — Includes the continuously variable transmission assembly matched to the HHN-34 drive system, delivering smooth power transfer from engine to blades without the need to source separate drivetrain components.
- Direct HHN-34 Fitment — Engineered specifically for the HHN-34 heavy-duty 8-foot ride-on mechanical trowel, confirming correct mounting points, output shaft dimensions, and wiring interface.
- Full Power Restoration — A worn or failed engine assembly on a ride-on trowel results in lost blade speed, inconsistent finishing performance, and machine downtime on the slab. Replacing with this part restores rated output and finishing consistency.
- Critical Fuel and Ignition Safety — As a complete engine assembly, all fuel, ignition, and exhaust connections are factory-configured, supporting proper installation and safe operation on the finishing deck.
The engine assembly is the core power source of the HHN-34 ride-on trowel, converting fuel into the rotational force needed to drive the trowel blades and propel the machine across the concrete slab. The integrated CVT transfers and regulates that power to the drivetrain, allowing the operator to maintain consistent blade speed and machine control during the finishing pass. When the engine assembly degrades or fails, the trowel loses the power needed to maintain proper blade pitch and travel speed, resulting in uneven surface finish and halted production — making a like-for-like OEM replacement the fastest path back to full operation.
Part Details
| Part Number | 21474 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine Assembly HHN 34HP Vanguard with CVT |
Compatibility & Fitment
| Name | Model |
|---|---|
| HHN-34 | HHN-34 |
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.
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