The Wacker Neuson Wiring Harness is a genuine OEM Wiring Harness designed for the RD12A-90 Tandem Roller series, CRT36-26A Trowel series, and CRTv36-26A Trowel series. As a factory-sourced component, this harness is manufactured to the exact electrical specifications Wacker Neuson requires for safe and reliable operation across all covered models. Whether you are servicing a double drum roller or a ride-on trowel, part number delivers a direct, connector-matched replacement that installs into the machine's existing wiring layout without adaptation. Confirmed fitment spans multiple RD12A-90 configurations — including standard and foldable ROPS variants — as well as CRT36-26A and CRTv36-26A models with and without wheel kits.
Key Features
- OEM-Matched Conductor Routing and Connector Specs — Manufactured by Wacker Neuson to the original circuit layout, ensuring correct voltage paths, connector keying, and wire gauge throughout the harness assembly.
- Connector-Ready Drop-In Replacement — Each plug, terminal, and loom segment is pre-assembled to match the machine's existing harness routing, so installation aligns directly with factory anchor points and connector housings.
- Broad Fitment Across Two Equipment Families — Covers RD12A-90 double drum and tandem rollers (including foldable ROPS builds) and CRT36-26A / CRTv36-26A ride-on trowels, with and without wheel kits.
- Protects Critical Electrical Systems — A correctly functioning wiring harness maintains stable communication between controls, sensors, and engine management — preventing erratic behavior, warning light faults, or unexpected shutdowns in the field.
- Electrical Safety Compliance — As the backbone of the machine's electrical system, using a genuine OEM harness ensures insulation ratings, grounding paths, and circuit protection meet Wacker Neuson's original design intent — important on equipment operating near operators and on compacted or wet surfaces.
A wiring harness is the central nervous system of a piece of powered equipment — it bundles and routes every electrical signal and power feed between the engine, controls, safety switches, and operating systems. When a harness degrades through abrasion, heat cycling, moisture ingress, or connector corrosion, the results can range from intermittent sensor faults and control panel errors to complete electrical failure or unintended shutdowns. Replacing a damaged harness with the correct OEM part restores full electrical integrity and ensures every circuit behaves exactly as the machine was designed to operate.
Part Details
| Part Number | 5000226511 |
|---|---|
| Old Part Number | 0226511 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Wiring Harness |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD12A-90 ROLLER,DBL DRUM,GRN | RD12A-90 | 5000620369, 5000620058, 5000620320 |
| CRT36-26A Trowel w/Wheel Kit | CRT36-26A | 5000621000, 5000620999, 5000621001, 5000621002 |
| CRTv 36-26A Trowel, w/Wheel Kit | CRTv36-26A | 5200008544, 5200008545, 5200008546 |
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.