The Wacker Neuson is a genuine OEM AC 3 Phase Large Wiring Harness designed for the G120, G125, and G160 series portable generators, including skid-mounted, mobile, cold weather, and custom configurations. As a direct OEM part, is manufactured to the same specifications as the original harness installed at the factory, ensuring correct connector positions, conductor ratings, and routing geometry for a straightforward installation. This harness is confirmed to fit multiple G-series variants, making it the dependable choice when restoring full electrical function to your generator. Keep this part number on hand — it covers a wide range of G120, G125, and G160 builds across both standard and specialty configurations.
Key Features
- Correct Conductor and Connector Specs — Built to OEM electrical ratings for a 3-phase AC output circuit, ensuring proper load capacity and safe current handling across all three phases.
- Drop-In Harness Routing — Harness geometry, loom length, and terminal positions match the original layout, so connectors seat without splicing or re-routing.
- Broad G-Series Coverage — Fits G120, G125, and G160 generators across skid-mounted, mobile, cold weather, and custom configurations under a single part number.
- Restores Full 3-Phase Output — A damaged or degraded wiring harness can cause phase imbalance, voltage irregularities, or complete output failure; this replacement brings the generator back to full rated performance.
- Electrical Safety Assurance — OEM-grade insulation materials and terminal crimps reduce the risk of arcing, overheating, or nuisance faults in high-demand generator applications.
The AC 3 Phase Large Wiring Harness is the central electrical backbone connecting the generator's alternator output to its distribution terminals and control circuitry. In a 3-phase generator, this harness carries the three separate phase conductors plus any neutral and ground lines needed to deliver balanced power to connected equipment. When the harness degrades — through heat, vibration, moisture ingress, or mechanical chafing — the result can range from intermittent voltage drops on individual phases to complete loss of output, potential damage to connected loads, or generator shutdown on fault protection. Replacing a worn or damaged harness with the correct OEM part restores balanced, rated output and protects both the generator and the equipment it powers.
Part Details
| Part Number | 5000155854 |
|---|---|
| Old Part Number | 0155854 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | AC 3 Phase Large Wiring Harness |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Mobile Generator (Cold Weather ) | G120 | 5000620291, 5000620290, 5000620292 |
| Skid-mounted Mobile Generator | G160 | 5000009306, 5000620069, 5000620070 |
| Mobile Generator (custom) | G125 | 5000620067, 5000620068, 5000009261 |
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.
