The Wacker Neuson Belt Tensioner is a genuine OEM component designed for the BFS series gasoline floor saws, including the BFS 935A, BFS 935AL, BFS 1335A, BFS 1345A, BFS 1345AL, BFS 1345ALS, BFS 1350A, BFS 1350AL, BFS 1350ALS, and BFS 1350L models. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component installed at the factory. It is a direct-fit replacement that installs into the drive system without modification, restoring proper belt tension and blade drive performance. If your floor saw is showing signs of belt slippage, inconsistent blade speed, or abnormal drive wear, replacing the belt tensioner is an essential first step.
Key Features
- Genuine OEM Tensioning Spec — Engineered to maintain the correct belt load and deflection for the BFS series drive system, preventing under- or over-tensioning that accelerates belt and pulley wear.
- Direct-Fit Replacement — Matches the original mounting points and geometry of the BFS drive assembly, allowing straightforward installation during routine service or unplanned repairs.
- Broad BFS Series Compatibility — Confirmed fitment across multiple BFS floor saw models including the BFS 935A, BFS 1345A, BFS 1345ALS, BFS 1350A, BFS 1350AL, BFS 1350ALS, and BFS 1350L.
- Consistent Blade Drive Performance — A correctly tensioned drive belt delivers steady power transfer to the blade, supporting clean, controlled cuts through concrete and asphalt at the intended blade speed.
- Blade Drive Safety — A failed or loose tensioner can cause the drive belt to slip or disengage unexpectedly during cutting. Replacing a worn tensioner restores predictable blade engagement and reduces the risk of uncontrolled blade behavior.
The belt tensioner maintains the correct amount of pressure on the drive belt that transfers engine power to the cutting blade in a floor saw. When tension is properly set, the belt grips the pulleys firmly, delivering smooth and consistent blade rotation throughout the cut. As the tensioner wears, spring force or positional preload decreases, causing belt slip, reduced blade speed, excessive heat buildup, and accelerated belt degradation — all of which shorten service intervals and compromise cut quality on demanding concrete and asphalt applications.
Part Details
| Part Number | 5000124176 |
|---|---|
| Old Part Number | 0124176 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Belt Tensioner |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BFS1350ALS-SAW | BFS 1350ALS | 5000008885, 5000610399 |
| Gasoline Floor Saw, 450 drive, cutmatic | BFS 1345AS | 5000008699 |
| Gasoline Floor Saw, 450 drive, cutmatic | BFS 1345ALS | 5000008700 |
| Gasoline Floor Saw, Ø 500 driv e, cutmatic | BFS 1350AS | 5000008752 |
| BFS1350AL-SAW | BFS 1350AL | 5000008898, 5000610398 |
| Petrol Floor Saw BFS 1350L | BFS 1350L | 5000008936 |
| Gasoline Floor Saw, 450 cutmat ic | BFS 1345A | 5000008697 |
| Gasoline Floor Saw, 450 cutmat ic | BFS 1345AL | 5000008698 |
| Gasoline Floor Saw, Ø 500 cutm atic | BFS 1350A | 5000008751 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935A | 5000008694 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 935AL | 5000008695 |
| Gasoline Floor Saw, 350 cutmat ic | BFS 1335A | 5000008696 |
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.