Multiquip 0018205020 Hex HD Cap Screw

The Multiquip 0018205020 is a genuine OEM Hex HD Cap Screw designed for the DCA series Ultra-Silent and Super-Silent diesel generator lineup, including DCA180, DCA220, DCA250, DCA300, DCA400, DCA500, DCA600, and DCA800 series models. As a factory-sourced fastener, it delivers the exact thread specification, head geometry, and tensile rating required by Multiquip engineering. Correct hardware matters on generator enclosures and structural assemblies — using the right cap screw maintains panel alignment, structural integrity, and proper torque retention across the machine. DHS Equipment supplies this part direct, so you can verify fitment by cross-referencing your generator's model code against the extensive compatibility list for 0018205020.

Key Features

• Genuine OEM Tensile Rating — Manufactured to the exact grade and thread specification Multiquip engineers specified, ensuring correct clamping load on generator enclosure and structural assemblies.
• Direct Drop-In Replacement — Matches the original head size, thread pitch, and shank length, so it seats and torques correctly without modification to existing hardware holes or mating surfaces.
• Broad DCA Generator Compatibility — Confirmed fitment across DCA180, DCA220, DCA250, DCA300, DCA400, DCA500, DCA600, and DCA800 series Ultra-Silent and Super-Silent generators, including Tier 4 and frequency-specific variants.
• Structural Holding Power — A properly torqued hex HD cap screw keeps enclosure panels, mounting brackets, and internal assemblies secure under the vibration loads generated during continuous power production.
• Wide Model Coverage Across Engine Configurations — Compatible with Isuzu, John Deere, Kubota, Cummins, and Volvo-powered DCA variants, making it a practical stocking fastener for fleets running mixed DCA generator configurations.

A hex heavy-duty cap screw is a high-strength threaded fastener used to clamp two or more components together in a bolted joint. On large diesel generators like the DCA series, these screws are used throughout the machine — securing enclosure panels, mounting engine and alternator subframes, and fastening internal structural brackets. The heavy-duty designation indicates an elevated tensile strength compared to standard hardware, which is critical in applications subject to continuous vibration from a running engine. When a cap screw is missing, stripped, or substituted with an incorrect grade, the joint loses clamping force over time, leading to panel looseness, component misalignment, or accelerated wear on mating surfaces. Replacing with the correct OEM fastener restores the engineered holding strength of the joint.

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.