The Wacker Neuson 5100003380 is a genuine OEM Crankshaft Complete designed for the GV5000A, GV5003A, and GP3800A portable generator series. As a direct factory replacement, this crankshaft assembly is built to the same specifications as the original component and is the correct part for both 50Hz and standard portable generator configurations in these families. Sourcing a genuine OEM assembly ensures the rotating assembly interfaces correctly with the engine's bearings, connecting rod, and flywheel without the need for additional fitting or adaptation. Confirm your model and machine number against the fitment list before ordering to ensure an exact match.
Key Features
- Genuine OEM Dimensional Accuracy — Manufactured to the same journal diameters, stroke dimensions, and surface finish tolerances as the original, ensuring correct bearing clearances and connecting rod fitment within the engine assembly.
- Drop-In Engine Assembly Replacement — Engineered to seat directly into the engine block of compatible GV and GP series generators, aligning with existing bearing housings, seals, and flywheel mounting without rework.
- Wide GV and GP Series Fitment — Confirmed fitment across GV5000A, GV5003A, and GP3800A models, including 50Hz Portable Value Generator configurations, covering a broad range of Wacker Neuson portable generator variants.
- Restores Full Power Output — A worn or damaged crankshaft causes vibration, power loss, and accelerated bearing wear. Replacing it with this assembly restores smooth engine rotation and rated generator output.
- Fuel System and Ignition Timing Integrity — The crankshaft drives timing-dependent components including the ignition and fuel delivery cycle; a correctly spec'd OEM assembly maintains proper engine timing for safe, stable power generation.
The crankshaft is the central rotating component of the engine, converting the linear motion of the piston into rotational energy that drives the generator's alternator. It must maintain precise geometry and surface condition to keep bearing clearances within spec and ensure smooth, balanced engine operation. When a crankshaft is worn, bent, or damaged, the result is excessive vibration, rapid bearing failure, loss of compression, and ultimately engine seizure — making timely replacement critical to restoring safe and dependable generator performance.
Part Details
| Part Number | 5100003380 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Crankshaft Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GV5000A | GV5000A | 5000009346, 5000009351, 5000009361, 5100006204 |
| 50Hz Portable Value Generator | GV5003A | 5000009362, 5000009347, 5100002154 |
| GP3800A | GP3800A | 5100041978 |
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.
