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245312 - Miller Electric Generator Rotor Assembly

Packaging: 1 PER EA
$2,348.37/EA $1,535.47/1 PER EA only $1,535.47/EASave 35%

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OVERVIEW

Restore Your Welder's Power with the Miller 245312 Generator Rotor

When your engine-driven welder stops generating power, the entire job site can come to a standstill. The Miller 245312 Generator Rotor is a critical replacement component designed to get your equipment back up and running with the reliability you expect from Miller Electric. As the rotating component within your generator's assembly, the rotor is responsible for creating the magnetic field necessary to produce electricity. Over time, heat, vibration, and general wear can degrade the windings or structural integrity of the rotor, leading to a loss of weld output or auxiliary power.

Choosing a genuine OEM part like the Miller 245312 ensures that you are installing a component built to the exact specifications of your machine. Unlike generic aftermarket alternatives, this rotor is engineered to match the precise electrical characteristics and physical dimensions of your Miller welder. This guarantees not only a perfect fit but also the correct electrical performance, preventing damage to other sensitive components like the stator or control boards. Whether you are repairing a Bobcat, Trailblazer, or another compatible Miller engine drive, using authentic parts is the best way to protect your investment.

At Josef Gas, we understand that downtime equals lost revenue. That is why we supply high-quality replacement parts that professional welders trust. This rotor assembly is constructed with high-grade copper windings and robust insulation materials to withstand the rigorous thermal cycling and mechanical stress typical of industrial welding environments. By replacing a faulty rotor with this factory-original part, you restore the machine's ability to convert mechanical engine power into the stable welding arc and auxiliary power you rely on daily.

Installation of internal generator components requires technical expertise, but starting with the right part is half the battle. Ensure your maintenance team has the best materials on hand. Trust the Miller 245312 Generator Rotor to deliver the durability and performance required for heavy-duty applications.

Additional Information
Packaging Description:1 Per Ea
Product Type:Generator Rotor
Part Type:Replacement Part
Compatible Equipment Type:Engine-Driven Welder
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Product Type:Generator Rotor
Part Type:Replacement Part
Compatible Equipment Type:Engine-Driven Welder
Brand:Miller OEM
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Generator Rotor Assembly

APPLICATIONS

  • Repairing Miller engine-driven welders with failed generator outputs
  • Restoring auxiliary power functions on compatible generator units
  • Overhauling older welding machines to extend service life
  • Replacing damaged or shorted rotors in industrial welding equipment

FAQ

Common signs include the engine running fine but the machine producing no weld output and no auxiliary power. You may also smell burning insulation or see physical damage to the windings if inspected.

This part is used in several Miller engine drives, including many Bobcat models. However, Miller parts vary by serial number range. Always check your specific machine's parts manual to confirm compatibility.

Yes, this is a genuine OEM Miller Electric component, ensuring the same quality and fit as the original part installed at the factory.

Typically, the rotor is sold as the winding assembly on the shaft. Bearings are usually sold separately. Please check the product inclusion list or your parts diagram.

Replacing a generator rotor involves significant disassembly of the welder and requires electrical knowledge. It is recommended that this repair be performed by a qualified service technician.

While rewinding is possible, buying a new OEM rotor is often faster and guarantees that the insulation and structural integrity meet original factory standards, which can be difficult to replicate in a repair shop.

Rotors can fail due to overheating from overloading, moisture intrusion causing corrosion, vibration damaging the windings, or simply age and fatigue of the insulation materials.