The Multiquip 43140 Starter Fuse 20 Amp is a genuine OEM electrical protection component designed for STXDF and PRX series ride-on power trowels. Sourced directly through Multiquip's authorized parts network, this fuse meets the exact amperage and form-factor specifications required by the factory electrical system. It is a direct replacement for the original fuse on compatible machines, including STXDF super-sized hydrostatic ride-on trowels and PRX hybrid power floats, ensuring correct circuit protection without any adaptation. Keeping the correct fuse in place is one of the simplest ways to protect your machine's starting circuit and downstream electrical components from overcurrent damage.
Key Features
- Correct 20-Amp Rating: — Matches the original overcurrent protection spec for the starter circuit, preventing nuisance blow-outs or under-protection that can damage wiring and components.
- Genuine OEM Component: — Produced to Multiquip's electrical specifications, so resistance and thermal characteristics align with what the starter circuit was engineered around.
- Direct Drop-In Replacement: — Fits the factory fuse holder on STXDF and PRX trowels without modification, swapping out in minutes to get the machine back in service fast.
- Confirmed Fitment: — Compatible with STXDF super-sized hydrostatic dual-fuel ride-on trowels and PRX hybrid power float series.
- Electrical System Protection: — A correctly rated fuse prevents starter motor overcurrent from cascading into costly damage to the harness, ignition switch, or control modules — a failed or wrong-rated fuse puts those components at risk.
- Safety-Critical Electrical Part: — Fuses are a primary line of defense against electrical fires and wiring damage; using the OEM-specified 20-amp rating ensures the circuit behaves as designed under load.
A starter fuse is a sacrificial overcurrent protection device wired into the starting circuit of the machine. Its job is to interrupt the circuit instantly if current exceeds the rated threshold — protecting the starter motor, wiring harness, and connected control components from heat and damage. When a fuse blows, the machine will not crank or start; simply replacing it with an incorrect amperage rating risks either repeated nuisance failures or, worse, allowing damaging current levels to pass through unprotected. Using the correct OEM-rated 20-amp fuse, like the Multiquip 43140, ensures the starter circuit operates within its designed parameters every time.
Part Details
| Part Number | 43140 |
|---|---|
| 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.