Wacker Neuson 5000115815 Rotor Core and Coils Exciter

The Wacker Neuson Rotor Core and Coils Exciter is a genuine OEM component designed for the G50, G70, and G85 series skid-mounted mobile generators. As a direct OEM replacement, this part meets the original engineering specifications established for these machines, ensuring the generator's excitation system performs exactly as intended. Confirmed fitment spans multiple G50, G70, and G85 configurations including standard skid-mounted and cold-weather variants, making the correct choice when rebuilding or restoring output performance on these units.

Key Features

• Genuine OEM Excitation Accuracy — Wound to the original coil specification, this rotor core delivers the precise magnetic field output required to maintain stable voltage generation across load conditions.
• Drop-In Rotor Replacement — Machined to OEM shaft and core dimensions for direct installation into the exciter housing without reworking the bearing seats or end brackets.
• Broad G-Series Fitment — Covers G50, G70, and G85 skid-mounted mobile generators across multiple serial-number ranges, including cold-weather configured units.
• Restores Full Power Output — A degraded or failed exciter rotor causes voltage instability or complete loss of generator output; replacing with 5000115815 returns the unit to rated generation capacity.
• Electrical Safety Compliance — Genuine OEM windings carry the correct insulation rating for this generator family, reducing risk of winding breakdown, short circuit, or output irregularity under sustained load.

The exciter rotor is the rotating component of the generator's excitation system — it generates the initial magnetic field that the main stator uses to produce usable AC power. The rotor core carries the exciter coils, which must be wound precisely to produce the correct field strength at operating speed. When the exciter rotor fails — whether through winding insulation breakdown, core damage, or coil burnout — the generator loses the ability to self-excite, resulting in low or zero voltage output even while the engine runs normally. Replacing the rotor core and coils assembly restores the excitation circuit and brings the generator back to full, stable electrical output.

Part Details

Compatibility & Fitment

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.