Multiquip EE58025 Engine Cummins QSB7-G9 Tier 4 Final

The Multiquip EE58025 is a genuine OEM Engine Cummins QSB7-G9 Tier 4 Final designed for the SG1400C4F and SG1600C4F studio generator series. As a direct OEM replacement, this engine is sourced to the same specification as the original unit, ensuring full compatibility with the generator's power management systems and emissions controls. Verified fitment for SG1400C4F and SG1600C4F models means you can order with confidence knowing EE58025 is the correct engine for your machine.

Key Features

• Genuine OEM Cummins Spec: — Matched to the exact QSB7-G9 configuration Multiquip installs at the factory, preserving correct power output, torque curve, and emissions compliance for studio generator applications.
• Tier 4 Final Emissions Compliant: — Meets EPA Tier 4 Final standards, keeping your generator legal for operation on regulated jobsites and in environmentally sensitive locations without additional modification.
• Direct-Fit for SG Series Generators: — Engineered to drop into the SG1400C4F and SG1600C4F generator frames with OEM mounting points, electrical connections, and cooling interfaces aligned to spec.
• Full Power Restoration: — A worn or failing engine causes voltage instability and output loss in studio generators; replacing with this part restores rated kilowatt output and load-handling capability.
• Fuel System Integrity: — The QSB7-G9 engine features Cummins common-rail fuel delivery, which is critical to maintaining the stable, clean power output that studio and broadcast generator applications demand.

The engine is the primary power source of the studio generator, converting diesel fuel into the mechanical energy that drives the alternator to produce electrical output. In a studio generator application, consistent engine speed is essential — any deviation directly affects the frequency and voltage stability of the power being delivered to sensitive broadcast or production equipment. When an engine wears or fails, the generator can no longer hold rated output under load, produce clean power, or start reliably, making timely engine replacement critical to keeping operations running.

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.