The Multiquip 01150101 Diode Assembly is a genuine OEM electrical component designed for RW1404, RW1404MR, and RW1504HF walk-behind rollers. Sourced directly from Multiquip, this part meets the exact electrical specifications of the original component installed at the factory. The 01150101 is a direct-fit replacement, making it the correct choice for technicians servicing RAMMAX walk-behind roller models including RW1404MR units with serial number 326075 and up, and RW1504HF units up to serial number. Keeping this assembly in proper working order is essential to maintaining consistent electrical output across the roller's charging and control circuits.
Key Features
- Correct Electrical Specification — Manufactured to the original diode output and rectification ratings, ensuring stable voltage conversion within the roller's electrical system.
- Genuine OEM Component — Supplied by Multiquip as a factory-original part, carrying the same part number and construction as the unit installed during production.
- Confirmed Fitment — Compatible with RW1404, RW1404MR (S/N 326075 and up), and RW1504HF (up to S/N 1534188) RAMMAX walk-behind rollers.
- Direct-Install Replacement — Engineered to connect into the existing wiring harness without modification, keeping the repair straightforward for field technicians.
- Protects the Charging System — A functioning diode assembly prevents reverse current flow that can damage the alternator, battery, and downstream electrical components.
- Electrical Safety Integrity — A failed or shorted diode can cause uncontrolled current flow and component damage; replacing with the correct OEM assembly restores safe circuit operation.
The diode assembly in a walk-behind roller serves as a rectifier within the machine's charging circuit, converting alternating current (AC) generated by the alternator into the direct current (DC) needed to charge the battery and power electrical controls. Without a properly functioning diode assembly, the charging system cannot maintain battery voltage, and reverse current can flow back through the alternator, leading to premature failure of electrical components. When this assembly degrades or fails, operators typically see battery drain, erratic electrical behavior, or a complete loss of charging output.
For fitment questions or help confirming this part is correct for your machine's serial number range, contact the DHS Equipment team.
Part Details
| Part Number | 01150101 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Diode Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | RW1404MR S/N 326075 and up |
| Rollers | RW1504HF up to S/N 1534188 |
| Rollers | RW1404 |
| Rollers | RW1404MR |
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.