The Multiquip 43140-55 Starter Fuse 20 Amp is a genuine OEM electrical protection component designed for STXDF and PRX series ride-on power trowels. As a direct OEM replacement, it meets the exact current rating and form factor specified by Multiquip for these machines, ensuring the starter circuit is protected to the correct threshold. This fuse is confirmed to fit the STXDF dual-fuel hydrostatic ride-on trowel and the PRX hybrid power float series, making it a straightforward service item to keep on hand for scheduled maintenance or unplanned electrical repairs.
Key Features
- Correct 20-Amp OEM Rating — Matched to the exact amperage specification of the starter circuit on STXDF and PRX trowels, preventing under- or over-protection of electrical components.
- Genuine Multiquip OEM Part — Sourced directly from Multiquip, this fuse carries part number 43140-55 and is manufactured to the same standard as the original installed component.
- Direct Drop-In Fit — Designed to seat into the existing fuse holder without adaptation, allowing a fast swap during field service or shop maintenance.
- Confirmed Fitment for STXDF and PRX Series — Compatible with Whiteman ride-on power trowels in the STXDF dual-fuel hydrostatic line and PRX hybrid power float series.
- Electrical System Protection — A correctly rated starter fuse shields the starter circuit and connected wiring from overcurrent damage, helping maintain clean electrical function across the trowel's control systems.
- Electrical Safety Compliance — Using the OEM-specified fuse rating ensures the machine's overcurrent protection operates within the designed parameters, reducing the risk of wiring damage or starter circuit failure.
A starter fuse protects the electrical circuit that powers the trowel's starting system by breaking the circuit if current exceeds the rated amperage. On ride-on trowels like the STXDF and PRX, where the starter circuit is integrated with more complex hydrostatic and hybrid control electronics, a correctly rated fuse is critical to preventing cascading electrical damage. When a fuse blows, the machine will typically fail to crank or start; replacing it with the correct 20-amp OEM fuse restores normal operation and maintains the integrity of the circuit protection design.
Part Details
| Part Number | 43140-55 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Starter Fuse 20 Amp |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | STXDF |
| Ride-On Power Float | PRX |
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.
