Multiquip 8171611003 Coupling Disk

The Multiquip 8171611003 is a genuine OEM Coupling Disk designed for the DCA180, DCA220, and DCA250 series Ultra-Silent diesel generators. As a direct OEM replacement sourced from Multiquip, this part meets the exact specifications of the original component installed at the factory. Compatible across a broad range of DCA series configurations including Isuzu, John Deere, Kubota, and Cummins-powered units, the part is a verified fit for models such as DCA180SSJU4F3, DCA220SSJU4F3, DCA220SSK, DCA220SSVU, DCA250SSI, and related variants.

Key Features

• Genuine OEM Construction — Manufactured to Multiquip's original torque-transmission tolerances, ensuring the disk engages and transfers rotational load between the engine and alternator the same way the original component did.
• Drop-In Replacement — Matches the original bolt pattern, diameter, and hub interface of the DCA series coupling assembly for a straightforward swap during scheduled maintenance or unplanned service.
• Broad DCA Series Coverage — Fits DCA180, DCA220, and DCA250 Super-Silent and Ultra-Silent generator models across multiple engine configurations, including Isuzu (I/IU), John Deere (J/JU), Kubota (K/KU), and Cummins (C/CU) variants.
• Sustained Power Transfer Integrity — A correctly functioning coupling disk maintains smooth, vibration-dampened power delivery from the engine to the alternator, supporting stable voltage output under variable load conditions.
• Critical Drive-Line Component — Worn or cracked coupling disks can introduce torsional shock into the drivetrain, leading to accelerated alternator bearing wear and inconsistent generator output — replacing at first sign of deterioration protects the broader assembly.

The coupling disk is a flexible drive element positioned between the engine flywheel and the generator alternator. Its primary role is to transmit rotational power while absorbing torsional vibration and minor misalignment that occur during engine startup, load changes, and shutdown cycles. Over time, the disk material can crack, harden, or delaminate under repeated stress, which causes drivetrain shudder, unusual noise, and — if left unaddressed — damage to the alternator shaft bearings or flywheel housing. Replacing the coupling disk with a genuine OEM part like the Multiquip 8171611003 restores the intended flex characteristics and keeps the generator running at full output capacity.

For questions about fitment or to confirm compatibility with your specific DCA series unit, contact the DHS Equipment parts team directly.

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.