The Wacker Neuson Regulator is a genuine OEM Regulator designed for the RD12-90 Double Drum Roller and CRT36-25 Ride-on Trowel series. Sourced directly from Wacker Neuson, this part carries the same specifications as the original component installed at the factory, so you can install it with confidence. It fits both standard and foldable ROPS configurations of the RD12-90, as well as all documented CRT36-25 variants including the Wheel Kit model and the CRT36-26A Wheel Kit.
Key Features
- Genuine OEM Output Accuracy — Manufactured to Wacker Neuson's exact voltage and current regulation specifications, ensuring the electrical system receives stable, correctly controlled output.
- Direct Drop-In Replacement — Engineered to match the original mounting points and electrical connections on compatible machines, allowing straightforward installation without modification.
- Broad Model Coverage — Fits the RD12-90 Double Drum Roller (standard and foldable ROPS) and the full CRT36-25 Ride-on Trowel lineup, including the Wheel Kit and CRT36-26A Wheel Kit variants.
- Stable Charging System Performance — A correctly functioning regulator keeps the charging circuit operating within spec, protecting batteries and onboard electronics from damaging voltage fluctuations.
- Electrical System Protection — A faulty regulator can cause overcharging or undercharging conditions that damage sensitive components; replacing it promptly with a verified OEM part safeguards the broader electrical system.
- Verified Part Number — Part number 5000215101 is confirmed against Wacker Neuson parts documentation for the listed models, giving you confidence before you order.
A regulator controls the voltage and current output from the machine's charging system, preventing the battery and electrical components from receiving too much or too little power during operation. When the regulator is functioning correctly, the onboard battery stays properly charged and the electrical system runs within safe operating limits. When it fails, symptoms can include a dead or overcharged battery, erratic instrument readings, or damage to other electrical components — making timely replacement essential to keeping the machine fully operational.
Part Details
| Part Number | 5000215101 |
|---|---|
| Old Part Number | 0215101 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Regulator |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12-90 ROLLER, DOUBLE DRUM, SOLID ROPS | RD12-90 | 5000620059, 5000620321 |
| 915mm/36in Ride-on Trowel | CRT36-25 | 5000620115, 5000620295, 5000620803, 5000620804 |
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.