The Wacker Neuson Pulley is a genuine OEM component designed for the G40 and G50 generator series, including mobile and fixed configurations across multiple regional variants. As a direct OEM replacement, this pulley is sourced to the exact specifications of the original part, ensuring proper belt alignment and drive performance on your Wacker Neuson generator. Fitment covers a broad range of G40 and G50 models, including standard, mobile, 50Hz LATAM, and Brazil Premium variants. Keep your generator running at full output by replacing a worn or damaged pulley with the correct OEM part.
Key Features
- OEM-Spec Belt Drive Geometry — Manufactured to the original pulley diameter and groove profile, ensuring correct belt tension and tracking without adjustment.
- Direct Drop-In Replacement — Matches the original mounting bore and hub dimensions of the G40 and G50 generator drive systems for a straightforward swap.
- Broad G40 and G50 Fitment — Compatible across multiple G40 and G50 configurations, including mobile generator, standard, 50Hz LATAM, and Brazil Premium variants.
- Sustained Generator Output — A correctly sized pulley maintains proper alternator drive speed; a worn or slipping pulley can cause voltage instability and premature belt failure.
- Genuine Wacker Neuson OEM Part — Sourced directly through the Wacker Neuson parts network, carrying the same part number (5200021112) used by authorized service centers.
The pulley in a portable generator transmits rotational power from the engine to the alternator via a drive belt, maintaining the precise speed ratio needed to produce stable electrical output at the correct frequency and voltage. If the pulley wears, cracks, or becomes misaligned, belt slip or failure can occur — causing the generator to underperform or lose output entirely. Replacing the pulley with a correct OEM part restores the proper drive ratio and protects both the belt and the alternator from unnecessary stress.
Part Details
| Part Number | 5200021112 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pulley |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Generator | G40 | 5200015906, 5200016640, 5100029184, 5200015907 |
| Generator | G50 | 5200015909, 5100022009, 5100022008 |
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.
