The Wacker Neuson Rewind Spring is a genuine OEM component designed for the BTS series gasoline cut-off saws, including the BTS 930, BTS 935, BTS 1030, BTS 1035, and BTS 1140 L3 models. As a direct OEM replacement, part is manufactured to the exact specifications required for proper recoil starter function on these machines. This spring is the correct part for both standard and L3-configuration BTS saws, covering the full range of arbor sizes used across the lineup.
Key Features
- Genuine OEM Tension Specification — Manufactured to the exact coil tension required for consistent, full retraction of the starter rope on BTS cut-off saws.
- Direct Recoil Housing Fit — Engineered to seat correctly within the recoil starter housing, allowing straightforward installation without modifications to the surrounding assembly.
- Broad BTS Series Coverage — Compatible with BTS 930, BTS 935, BTS 1030, BTS 1035, and BTS 1140 L3 gasoline cut-off saws, including both 20mm and 1-inch arbor variants.
- Restored Starting Performance — A properly functioning rewind spring ensures the starter rope returns crisply and fully after each pull, keeping the starting cycle fast and consistent on the jobsite.
- Safe Starting System Integrity — A broken or weakened rewind spring leaves the starter rope slack and uncontrolled; replacing it with the correct OEM part restores the safe, controlled rope return the recoil system depends on.
The rewind spring sits at the heart of the recoil starter assembly on a gasoline cut-off saw. Its job is to store the energy from each pull of the starter rope and use that stored tension to retract the rope smoothly back into the housing after release. When the spring weakens, cracks, or breaks, the rope will no longer return properly — it can hang loose, tangle, or fail to engage the starter mechanism at all, making the saw impossible to start. Replacing a worn rewind spring with the correct part restores the full pull-and-retract cycle that the recoil starter relies on to function reliably.
Part Details
| Part Number | 5000129057 |
|---|---|
| Old Part Number | 0129057 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rewind Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Power Cutter BTS 1035 L3 | BTS 1035 L3 | 5000008912, 5000008990, 5000610076, 5000610182 |
| Cut-Off Saws | BTS 1030 L3 | 5000008989, 5000610075 |
| Cut-Off Saws | BTS 930 L3 | 5000008987, 5000610073 |
| Cut-Off Saws | BTS 935 L3 | 5000008988, 5000610074 |
| Cut-off Saw with 20mm Arbor | BTS 930 | 5000008340 |
| Cut-off Saw with 1in Arbor | BTS 935 | 5000008341 |
| Cut-off Saw with 1in Arbor | BTS 1035 | 5000007975 |
| Cut-off Saw with 20mm Arbor | BTS 1030 | 5000008339 |
| BTS 1140L3 SAW | BTS 1140 L3 | 5000610063, 5000610078 |
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.
