The Wacker Neuson Rotor Assembly is a genuine OEM Rotor Assembly designed for the G320 generator series, covering Standard, Cold Weather, and Custom configurations across Tier 4 and Tier 4i Final emissions variants. As a direct OEM replacement, this assembly is manufactured to the same specifications as the original component installed at the factory, ensuring correct fit and function within the alternator system. It is compatible with a wide range of G320 mobile generator configurations, including Transport Canada-compliant and international Hertz variants, making it one of the most versatile service parts available for this generator family.
Key Features
- Correct Electromagnetic Output Spec — Genuine OEM construction ensures the rotor meets the exact magnetic field and winding specifications required for proper alternator output on G320 generators.
- Drop-In Alternator Replacement — Engineered to mount and balance identically to the original rotor, supporting direct installation without shaft or housing modifications.
- Broad G320 Series Coverage — Fits Standard, Cold Weather, Custom, and Transport Canada-compliant G320 mobile generator variants across Tier 4 and Tier 4 Final emissions tiers.
- Sustained Power Generation — A correctly functioning rotor maintains stable voltage output under load; a worn or failed rotor causes voltage fluctuation, overheating, and loss of usable generator power.
- Electrical Safety Compliance — OEM-spec winding insulation and balance tolerances help prevent electrical faults and rotor-to-stator contact, which are critical safety considerations in portable power equipment.
The rotor is the spinning core of a generator's alternator, responsible for creating the rotating magnetic field that induces electrical current in the surrounding stator windings. It is driven directly by the engine and must spin within very tight tolerances to produce clean, stable AC power output. When a rotor wears, loses winding integrity, or becomes imbalanced, the generator will produce irregular voltage, run rough, or fail to deliver rated power — making timely replacement essential to keeping a G320 generator operational and safe.
Part Details
| Part Number | 5100027224 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rotor Assembly |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G320 Generator, Standard T4i | G320 | 5000620275, 5200008718, 5200010219, 5200010260, 5200010144, 5200010145, 5200010146, 5100045191, 5100045601, 5100045602, 5200008717, 5100018533, 5100049848, 5100049849, 5200010261 |
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.