Multiquip EE50744 Generator Marathon UL 300kW 600VAC PMG

The Multiquip EE50744 Generator Marathon UL 300kW 600VAC PMG is a genuine OEM alternator assembly designed for the Multiquip PM300 studio generator series. This is a direct OEM replacement sourced from Multiquip, ensuring correct electrical specifications and physical compatibility for the PM300 platform. Operators running PM300 units can order with confidence knowing this part matches the original build specification exactly.

Key Features

• Genuine OEM Alternator Assembly — Manufactured to the original Marathon electrical specification, including correct 300kW output rating and 600VAC configuration for the PM300 generator.
• Permanent Magnet Generator (PMG) Excitation — PMG design delivers stable voltage regulation independent of load fluctuations, maintaining consistent output under varying demand conditions.
• UL-Listed Construction — The Marathon UL designation confirms this alternator meets Underwriters Laboratories safety and performance standards, supporting compliance on regulated or permitting-required jobsites.
• Direct Fitment for PM300 — Engineered specifically for the Multiquip PM300 studio generator, matching OEM mounting interfaces and electrical connections for a straightforward swap.
• High-Capacity 300kW Output — Restores full power generation capability to the PM300, supporting demanding commercial and studio-grade electrical loads that depend on uninterrupted, clean power delivery.

The alternator is the core power-generating component of a generator set. It converts mechanical energy from the engine into usable electrical output by rotating a magnetic field through a set of windings. In a PMG-equipped unit like the EE50744, a permanent magnet generator provides the excitation voltage needed to maintain precise voltage regulation even under sudden load changes — a critical requirement for sensitive studio or commercial power applications. When an alternator fails or degrades, the generator can no longer produce stable output voltage, leading to equipment damage, tripped breakers, or complete power loss. Replacing it with the correct OEM unit restores full capacity and protects connected loads.

For questions about fitment or to confirm this is the right part for your PM300, contact the DHS Equipment parts team before ordering.

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.