The Multiquip 8941396690 Crankshaft Assembly is a genuine OEM component designed for DCA25SSI, DCA25SSIU, DCA25SSI2, DCA25SSAI, and DCA25SSIU-GEER ultra-silent diesel generator models. As a factory-original part, it is manufactured to the exact tolerances required by Multiquip for these generators, ensuring a direct, trouble-free installation. If you are sourcing a replacement for any of these DCA25-series units, verifying part number 8941396690 against your machine's parts manual is always the recommended first step before ordering.
Key Features
- Genuine OEM Crankshaft Tolerancing — Manufactured to the precise dimensional and balance specifications of the original component, maintaining correct bearing clearances and journal geometry critical for diesel engine reliability.
- Direct Drop-In Replacement — Engineered to mate with the existing connecting rod, main bearings, and flywheel on DCA25-series generators without additional machining or adaptation.
- Broad DCA25 Series Coverage — Confirmed fitment across DCA25SSI, DCA25SSIU, DCA25SSI2, DCA25SSAI, and DCA25SSIU-GEER ultra-silent generator configurations.
- Sustained Power Output — A correctly installed crankshaft maintains proper piston stroke and engine timing, allowing the generator to deliver stable, continuous power output to connected loads.
- Structural Integrity for Heavy Continuous-Duty Use — Ultra-silent generators are frequently run for extended periods; the OEM crankshaft assembly is built to withstand the sustained mechanical loads of these long-run-time applications.
The crankshaft is the central rotating component of a diesel engine, converting the linear motion of the pistons into the rotational force that ultimately drives the alternator. It must maintain precise dimensional tolerances across all journal surfaces to sustain correct oil film pressure and bearing life. When a crankshaft is worn, cracked, or out of specification, the engine will develop excessive vibration, abnormal bearing wear, loss of compression, or catastrophic internal failure — all of which take a generator out of service. Replacing it with a genuine OEM assembly restores the mechanical foundation the entire engine depends on.
Part Details
| Part Number | 8941396690 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Crankshaft Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA25SSIU |
| Diesel Powered Generators | DCA25SSI |
| Diesel Powered Generators | DCA25SSI2 |
| Diesel Powered Generators | DCA25SSAI |
| Diesel Powered Generators | DCA25SSIU-GEER |
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.
