The Wacker Neuson Spacer Ring is a genuine OEM component designed for M2500/120 and M2500/230 series concrete mixers. Sourced directly from Wacker Neuson, this spacer ring meets the exact dimensional and material standards of the original part — so you know it seats and functions the way it was built to. It is confirmed to fit the M2500/120 US, M2500/120 GB, M2500/230 EU, and M2500/230 EU W models, covering both 120V and 230V configurations across US, GB, and EU markets.
Key Features
- OEM-Grade Dimensional Accuracy — Manufactured to the original tolerances that keep rotating and stationary components correctly spaced, preventing contact, wear, and misalignment.
- Drop-In Fitment — Matches the original mounting profile exactly, seating into position without modification to surrounding hardware or housings.
- Broad M2500 Series Coverage — Compatible with M2500/120 (US and GB) and M2500/230 (EU and EU W) mixer variants, covering multiple voltage and regional configurations in one part number.
- Protects Critical Drivetrain Clearances — A correctly installed spacer ring maintains the axial clearances that allow the drive system to run smoothly; a worn or missing spacer can cause uneven loading, premature bearing wear, and increased vibration.
- Genuine Wacker Neuson Part — Supplied as an authentic OEM replacement, ensuring the part matches the engineering intent of the original design without substitution or approximation.
A spacer ring is a precision-machined component used to maintain a fixed gap or positional relationship between two adjacent parts — typically within a rotating assembly, drive shaft arrangement, or bearing housing. By holding components at the correct axial or radial distance from one another, it prevents unwanted contact and ensures that loads are distributed evenly across bearings and seals. When a spacer ring wears down, deforms, or goes missing, the surrounding components can shift out of alignment, accelerating wear on bearings, seals, and shaft surfaces and leading to vibration, noise, or eventual drivetrain failure.
Part Details
| Part Number | 5100009990 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Spacer Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| M2500/120 | M2500/120 US | 5100006000 |
| M2500/230 | M2500/230 EU | 5100009717 |
| M2500/120 | M2500/120 GB | 5100010890 |
| Drive Engine | M2500/230 EU W | 5100047311 |
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.