Multiquip EE15831 Alternator Marathon 431RSL4007

The Multiquip EE15831 Alternator Marathon 431RSL4007 is a genuine OEM alternator designed for the Multiquip Studio Generator series, including the SG1400C3 line. As a factory-sourced component, this alternator is built to the exact electrical output specifications required by the host generator set — ensuring stable voltage regulation and correct winding configuration from the moment it goes in. Sourcing the correct alternator by part number EE15831 is critical on studio-grade generator sets, where power quality and output consistency directly affect connected loads.

Key Features

• Matched Electrical Output: — Marathon 431RSL4007 winding spec delivers the correct voltage and current output for the SG1400C3 Studio Generator platform — no output mismatch or regulator conflict.
• Genuine OEM Component: — Factory-sourced Multiquip part EE15831, manufactured to the same tolerances as the original unit installed at the assembly stage.
• Drop-In Replacement: — Designed to mount and connect directly to compatible Studio Generator configurations, with matching bolt pattern and lead connections for the SG1400C3 series.
• Studio Generator Fitment: — Confirmed fitment for Multiquip Studio Generator models in the SG1400C3 family — verify your model code before ordering.
• Power Quality Assurance: — A correctly functioning Marathon alternator maintains clean, stable AC output; a worn or failed unit can cause voltage fluctuation, load dropout, or damage to sensitive connected equipment.
• Electrical Safety Compliance: — Using the specified OEM alternator assembly preserves the generator set's designed protection characteristics, including proper grounding continuity and insulation ratings for the output winding.

The alternator is the core power-generating component of any generator set — it converts mechanical energy from the engine into usable AC electrical output. The Marathon 431RSL4007 unit used in the Multiquip Studio Generator series is a brushless alternator, designed to produce stable, regulated voltage under varying load conditions. When an alternator fails or degrades, symptoms include low voltage output, unstable frequency, excessive heat, or complete loss of power generation — making timely replacement with the correct OEM unit essential to keeping the generator set operational and protecting connected equipment.

For fitment questions or to confirm this part is correct for your specific unit, contact the DHS Equipment team.

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.