The Multiquip 12196 Assist Spring is a genuine OEM component designed for HHN34TVD, EHHNK5, and HHNG5 series ride-on power trowels. Sourced directly from Multiquip, this part meets the exact specifications of the original Century D-1355 spring used in these mechanical ride-on trowel assemblies. It is a direct-fit replacement that installs without modification, restoring the assist mechanism to proper working order. Confirm your model code against the fitment list before ordering to ensure an exact match.
Key Features
- OEM Spring Tension Specification — Manufactured to the original Century D-1355 spring rate, ensuring the assist mechanism returns consistent, calibrated resistance throughout the blade pitch range.
- Drop-In Installation — Engineered to the same mounting points and dimensions as the original, allowing straightforward installation on compatible trowel assemblies.
- Confirmed Fitment — Compatible with HHN34TVD, EHHNK5, and HHNG5 ride-on power trowels; verify your model code before ordering.
- Consistent Blade Pitch Control — A properly tensioned assist spring maintains smooth, responsive blade pitch adjustment; a worn or broken spring causes erratic pitch control and operator fatigue.
- Operator Safety Relevance — Correct spring function supports predictable blade response during operation, which is critical for safe handling of ride-on trowel equipment.
The assist spring plays a key role in the blade pitch adjustment mechanism of a mechanical ride-on power trowel. It provides the return force that keeps the pitch control linkage under consistent tension, allowing the operator to adjust blade angle smoothly and accurately during finishing passes. When this spring weakens, breaks, or loses tension, blade pitch response becomes inconsistent or uncontrolled, which can affect surface finish quality and machine handling. Replacing a worn spring promptly restores full control authority to the pitch adjustment system.
For help confirming fitment or for assistance placing your order, contact the DHS Equipment team directly.
Part Details
| Part Number | 12196 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Assist Spring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | HHN34TVD |
| International Ride-On Power Trowels | EHHNK5 |
| Whiteman Ride-On Power Trowels | HHNG5 |
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.
