The Wacker Neuson Engine Pulley is a genuine OEM component designed for the BFS16, BFS18, and BFS20 series floor saws, including standard, diesel, and BFSX variants. As a direct OEM replacement sourced from Wacker Neuson, this pulley is manufactured to the same specifications as the original part, ensuring a correct fit and proper power transfer without additional modification. It is confirmed compatible across a wide range of BFS series floor saw configurations, including the BFS18D, BFS20D, BFSX18, BFSX18D, BFSX20, BFSX20D, BFSX20A, BFSX18A, and BFS16 models. When you order by part number, you can be confident you are receiving the right component for your machine.
Key Features
- OEM Belt-Drive Geometry — Manufactured to the original pulley profile and groove dimensions, ensuring correct belt tracking and consistent power transmission to the cutting blade.
- Direct Drop-In Fitment — Mounts to the engine output shaft using the original bolt pattern and bore size, allowing straightforward installation without machining or adaptation.
- Broad BFS Series Compatibility — Fits BFS16, BFS18, BFS20, and BFSX family floor saws across standard, diesel, and specialty variants — one part number covers the full lineup.
- Sustained Cutting Performance — A correctly functioning engine pulley maintains blade speed and belt tension; a worn or damaged pulley causes belt slippage, uneven cuts, and accelerated blade wear.
- Genuine Wacker Neuson Part — Supplied as authentic OEM, backed by Wacker Neuson's parts program for quality assurance and traceability.
The engine pulley is the driven interface between the engine output shaft and the belt system that powers the saw's cutting blade. It transfers rotational force from the engine to the drive belt, which in turn spins the blade spindle at the speed required for effective concrete or asphalt cutting. When the pulley wears, cracks, or loses its groove profile, belt tension drops, slippage increases, and cutting performance deteriorates — in severe cases the belt can shed entirely, bringing work to a halt and creating a potential safety hazard for the operator.
Part Details
| Part Number | 5000402377 |
|---|---|
| Old Part Number | 0402377 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Engine Pulley |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Floor Saw | BFS20D | 5000630008 |
| BFS20 | BFS20 | 5000630129 |
| Floor Saw | BFS16 | 5000630098 |
| Floor Saw | BFS18D | 5000630132, 5000630009 |
| BFS18 | BFS 18 | 5000630099 |
| Floor Saws | BFSX20D | 5000630134 |
| Floor Saw | BFS20(RAW) | 5000630198 |
| Floor Saws | BFSX18D | 5000630133 |
| Floor Saw | BFS18(RAW) | 5000630199 |
| Floor Saws | BFSX20A | 5000630203 |
| Floor Saw | BFSX18 | 5000630249 |
| Floor Saw | BFSX20 | 5000630250 |
| Floor Saw | BFSX18D(RAW) | 5000630251 |
| Floor Saws | BFSX18A | 5000630188 |
| Floor Saw | BFSX16 | 5000630248 |
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.