The Wacker Neuson 213687 is a genuine OEM Clutch Drum Complete designed for the BTS 630, BTS 635, and BTS 635S gasoline cut-off saws. As a direct OEM replacement, this part is manufactured to the same specifications as the original component installed at the factory, ensuring a correct fit within the centrifugal clutch assembly. Part number 213687 covers the full range of BTS 630 and BTS 635 series configurations, including the BTS 630S and BTS 635S variants. Keep this part number on hand for scheduled maintenance or unplanned repairs to get your saw back in service quickly.
Key Features
- Genuine OEM Drum Integrity — Manufactured to the same hardness and wear tolerances as the original, so the clutch engages and releases cleanly at the correct RPM threshold.
- Direct Drop-In Replacement — Matches the original drum bore, bell dimensions, and engagement profile of the BTS 630 and BTS 635 series clutch housings for a straightforward swap.
- Broad BTS Series Coverage — Fits BTS 630, BTS 630S, BTS 635, and BTS 635S cut-off saws across multiple production configurations.
- Smooth Power Transfer — A correctly sized drum maintains consistent blade engagement under load, supporting steady cutting speed through masonry, concrete, and pipe.
- Operator Safety — A worn or out-of-spec clutch drum can cause erratic blade engagement or slippage under load; replacing with a verified OEM part restores predictable clutch behavior critical to safe saw operation.
The clutch drum is the outer rotating shell of the centrifugal clutch system on a cut-off saw. At idle, the engine spins freely inside the drum without transferring power to the blade. As engine speed rises, centrifugal force pushes the clutch shoes outward against the inner wall of the drum, locking it into rotation and driving the blade. Over time, the drum's inner surface can develop grooves, scoring, or heat-related distortion from repeated shoe contact, which causes inconsistent engagement, excessive heat buildup, and accelerated wear on the clutch shoes themselves. Replacing a worn clutch drum with a genuine part like the Wacker Neuson 213687 restores the correct friction surface and keeps the entire clutch assembly functioning as intended.
Part Details
| Part Number | 213687 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Clutch Drum Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cut-off saw BTS 635 | BTS 635 | 5000610190, 5000610191 |
| Cut-off Saw BTS 635S | BTS 635S | 5000610192, 5000610193, 5000610407 |
| BTS630 SAW, 12", 20mm arbor | BTS 630 | 5000610187, 5000610186 |
| BTS635s | BTS635s | 5100005408 |
| Floor Saw BTS 630S | BTS 630S | 5000610406 |
| Cut-Off Saws | BTS 635s | 5100005411, 5100005409 |
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.