The Wacker Neuson Crankshaft Complete is a genuine OEM component designed for the GP4000 series portable generators. As a direct OEM part sourced through Wacker Neuson's authorized supply chain, it meets the same specifications as the part originally installed at the factory. This crankshaft complete fits multiple GP4000 configurations, including premium and standard portable generator variants across models,, and. When you need a dependable, exact-fit solution for a critical engine component, the is the correct choice for GP4000 generator restoration and repair.
Key Features
- OEM Dimensional Accuracy — Manufactured to the same tolerances as the original crankshaft, ensuring correct stroke geometry and bearing journal sizing for the GP4000 engine.
- Drop-In Engine Replacement — Matches original mounting interfaces, bearing seats, and keyway positions, so it installs directly without modification to existing engine cases or connecting rod assemblies.
- Broad GP4000 Coverage — Confirmed fitment across multiple GP4000 premium and standard portable generator configurations, covering a wide production range within this series.
- Sustained Power Output — A correctly fitted crankshaft maintains proper piston timing and compression cycle, allowing the generator to deliver consistent, stable power output under load.
- Fuel System Integrity — A worn or damaged crankshaft can allow combustion blow-by and oil contamination, creating fuel system and lubrication risks; replacing it with a genuine part restores safe engine operation.
The crankshaft is the backbone of the engine's rotating assembly. It converts the up-and-down motion of the piston into the rotational force that ultimately drives the generator's alternator, producing electrical output. When a crankshaft wears, bends, or sustains damage — whether from a lubrication failure, over-rev, or impact — the engine loses compression integrity, develops vibration, and can seize entirely. Replacing the crankshaft complete with a genuine OEM unit restores correct engine geometry and protects the connecting rod, bearings, and piston from secondary damage.
Part Details
| Part Number | 5000214823 |
|---|---|
| Old Part Number | 0214823 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Crankshaft Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Premium Portable Generator | GP4000 | 5000620090, 5000620380, 5000620977, 5000620978, 5000620089 |
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.
