The Multiquip 11593 Seat Spring (Century #10321) is a genuine OEM component designed for Whiteman ride-on power trowels across the JWN, HTN, and HHN series. This factory-sourced spring provides the correct tension and return action for the operator seat assembly, ensuring consistent performance across models including JWN24HTCSL, HTN28K, HTN27K, HHN34TVD, and HHN31V. As a direct OEM replacement, part number 11593 matches the original specification exactly — no fitment guesswork required. Sourced and sold by DHS Equipment, this part is ready to restore your machine to full operating condition.
Key Features
- Genuine OEM Spring Tension: — Manufactured to the exact load rating and travel spec of the original seat spring, maintaining proper seat engagement and return action.
- Century #10321 Cross-Reference: — Carries the Century part number 10321, simplifying identification if you are sourcing by the legacy cross-reference number.
- Direct Seat Assembly Fit: — Installs directly into the seat mounting assembly with no modification to brackets or hardware, preserving the original seat travel range.
- Broad Ride-On Trowel Compatibility: — Confirmed fitment across JWN24HTCSL, HTN28K, HTN27K, HTN-KOHLER/ONAN/HONDA, JTO series, HHN34TVD, and HHN31V models.
- Operator Safety Support: — A correctly tensioned seat spring is essential to proper seat switch function on ride-on trowels; a worn or broken spring can compromise the seat-activated safety circuit.
The seat spring on a ride-on power trowel maintains the mechanical tension that holds the operator seat in its engaged position and allows it to return when the operator dismounts. On most ride-on trowel models, the seat assembly is directly linked to a safety interlock switch — if the spring loses tension or breaks, the seat may not properly activate or release this switch, affecting machine operation and operator safety. Replacing a fatigued or failed spring with a correct OEM part like the Multiquip 11593 restores the seat mechanism to its intended function and keeps the safety circuit operating as designed.
Part Details
| Part Number | 11593 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Seat Spring (Century #10321) |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | JWN24HTCSL/HSCSL |
| Whiteman Ride-On Power Trowels | HTN28K |
| Whiteman Ride-On Power Trowels | HTN27K |
| Whiteman Ride-On Power Trowels | HTN-KHOLER/ONAN/HONDA |
| Whiteman Ride-On Power Trowels | JTO-SERIES |
| Whiteman Ride-On Power Trowels | HHN34TVD |
| Whiteman Ride-On Power Trowels | HHN31V |
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.
