The Wacker Neuson Locking Ring is a genuine OEM component designed for the M1000, M2000, M3000, D4000, A1500, and A5000 series electrical, diesel, and gasoline power units used with internal concrete vibrators. As a direct OEM replacement, this part is manufactured to the same specifications as the original, ensuring a proper fit within the power unit assembly. It covers a wide range of M-series units across 120V, 230V, UL, non-CUL, and RFI configurations, as well as gasoline-powered A-series and diesel D4000 units. Keeping this small but critical fastening component in good condition is essential to maintaining the integrity of the power unit.
Key Features
- Genuine OEM Retention Integrity — Manufactured by Wacker Neuson to hold precise dimensional tolerances, ensuring the locking ring seats and retains components securely within the power unit housing.
- Drop-In Replacement — Installs directly into the existing power unit assembly without modification, matching the original mounting position and retention method.
- Broad Power Unit Compatibility — Fits M1000, M2000, and M3000 electric power units across multiple voltage and certification variants, plus D4000 diesel and A1500/A5000 gasoline power units.
- Supports Consistent Vibrator Output — A properly seated locking ring keeps internal drive components aligned, allowing the power unit to deliver steady power transfer to the vibrator head.
- Electrical Safety Relevance — In electric-powered M-series units, a worn or missing locking ring can compromise the secure retention of internal electrical components, making prompt replacement important for safe operation.
A locking ring is a precision retaining component that secures internal assemblies within the power unit housing, preventing movement or displacement of drive and mechanical elements during operation. In concrete vibrator power units — whether electric, gasoline, or diesel — the locking ring holds critical rotating or fixed components in their correct position, ensuring consistent power transmission to the vibrator head. When a locking ring becomes worn, cracked, or lost, internal components can shift, leading to vibration, accelerated wear on surrounding parts, or loss of drive function entirely.
Part Details
| Part Number | 5000026872 |
|---|---|
| Old Part Number | 0026872 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Locking Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Electrical Power Unit for Inte rnal Vibrator | M3000/230 | 5000005800 |
| Electrical Power Unit | M2000/120 | 5000007653 |
| Electrical Power Unit for Inte rnal Vibrator | M1000/230 | 5000005041 |
| Electrical Power Unit for Inte rnal Vibrator | M1000/120/nonCUL | 5000005843 |
| Electrical Power Unit for Inte rnal Vibrator | M3000/120/nonCUL | 5000005845 |
| Electrical Power Unit for Inte rnal Vibrator | M2000/115/15A | 5000006305 |
| Electrical Power Unit | M2000/120/nonCUL | 5000007159 |
| Electrical Power Unit for Inte rnal Vibrator | M1000/230/RFI | 5000005494 |
| Electrical Power Unit for Inte rnal Vibrator | M2000/230/RFI | 5000005495 |
| Electrical Power Unit for Inte rnal Vibrator | M2000/230/n Gr | 5000006551 |
| M3000/230/RFI | M3000/230/RFI | 5000006590 |
| Diesel Power Unit for Internal Vibrator | D4000 | 5000009091 |
| A5000/160 ISO | A5000/160 ISO | 5000610325 |
| A5000/160 ANSI | A5000/160 ANSI | 5000610340 |
| Gasoline Power Unit for Intern al Vibrator | A5000 | 5000009213 |
| L5000/225 ISO | L5000/225 ISO | 5000610329 |
| A1500-POWER UNIT,HONDA,35CC | A1500/035 ISO | 5000610324 |
| A1500 POWER UNIT, HONDA | A1500/035 ANSI | 5000610339 |
| L5000/225 ANSI | L5000/225 ANSI | 5000610341 |
| Drive Engine | M1000/120/UL | 5100006158 |
| Drive Engine | M2000/120/UL | 5100006159 |
| Drive Engine | M3000/120/UL | 5100006160 |
| A5000/160B | A5000/160B | 5100068212 |
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.
