The Multiquip 1686123490 Metal Crankshaft Standard Set is a genuine OEM component designed for DLW300ES series diesel light welders and DAC7000SS series ultra-silent diesel generators. Sourced directly from Multiquip, this set meets the original build specification for your machine and installs as a direct replacement at standard sizing. Confirmed fitment includes the DLW300ES, DLW300ESA, DLW300ESA1, DAC7000SSA, DAC7000SSW, and DAC7000SS — verify your model before ordering to ensure the correct match.
Key Features
- Genuine OEM Crankshaft Bearings — Manufactured to the original material and dimensional specification, ensuring correct oil film clearance and journal contact for these engine builds.
- Standard Sizing — This is a standard-clearance set, suited for engines with unmachined crankshaft journals at original dimensions. Confirm journal size before ordering.
- Broad Series Fitment — Compatible with DLW300ES, DLW300ESA, DLW300ESA1, DAC7000SSA, DAC7000SSW, and DAC7000SS equipment.
- Engine Longevity — Worn or damaged crankshaft bearings allow excess journal movement, accelerating wear across the entire lower end. A correctly fitted set restores proper oil pressure and protects the crankshaft.
- Complete Set — Supplied as a full Metal Crankshaft Standard Set so all bearing positions are replaced together, maintaining consistent clearance throughout the engine.
Crankshaft bearings — sometimes called main bearings or crankshaft metals — sit between the crankshaft journals and the engine block, providing a precision oil-lubricated surface that supports the rotating crankshaft under load. They are critical to maintaining correct oil pressure and preventing metal-to-metal contact inside the lower end of the engine. When these bearings wear, clearances open up, oil pressure drops, and the crankshaft journals begin to score — leading to significant engine damage if not addressed promptly. Replacing them as a complete standard set during a rebuild restores the engine to its original operating tolerances.
DHS Equipment supplies genuine Multiquip OEM parts with part number accuracy you can count on. If you need help confirming fitment for your specific unit, contact our parts team before ordering.
Part Details
| Part Number | 1686123490 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Metal Crankshaft Standard Set |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW300ES |
| Welders | DLW300ESA |
| Welders | DLW300ESA1 |
| Diesel Powered Generators | DAC7000SSA |
| Diesel Powered Generators | DAC7000SSW |
| Diesel Powered Generators | DAC7000SS |
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.
