The Wacker Neuson Needle is a genuine OEM carburetor needle designed for BS50-4s and BS60-4s four-stroke vibratory rammers. As a direct Wacker Neuson OEM part, it is manufactured to the exact dimensions required to maintain correct fuel metering through the carburetor on these machines. This needle fits a wide range of BS50-4s and BS60-4s configurations, including standard, EU, and high-output variants, making it a dependable choice when restoring proper engine performance to your rammer.
Key Features
- Exact OEM Fuel Metering Dimensions — Manufactured to precise diameter and taper specifications so the needle meters fuel correctly through the carburetor needle jet, maintaining the intended air-fuel ratio.
- Direct Carburetor Drop-In — Engineered to seat and clip into the carburetor slide or emulsion tube exactly as the original, with no filing, bending, or adjustment needed during installation.
- Broad BS-Series Rammer Coverage — Confirmed fitment across BS50-4s and BS60-4s model families, including standard, EU-spec, and high-output configurations with 280mm/11 in shoes.
- Restores Throttle Response and Power — A worn or grooved needle causes erratic throttle response, rich running, and poor compaction output; replacing it returns crisp acceleration and consistent engine power under load.
- Fuel System Integrity — Using the correct OEM needle prevents unmetered fuel delivery that can foul the spark plug, saturate the air filter, or lead to hard starting in trench and cohesive soil applications.
The carburetor needle controls how much fuel is delivered to the engine across the mid-throttle range by regulating flow through the needle jet as the throttle slide rises and falls. Its taper profile is precision-ground so that small positional changes produce predictable, proportional changes in fuel mixture. When the needle wears — typically showing as grooving or a rounded taper — the carburetor runs rich or lean unpredictably, causing rough idling, flat spots under load, and increased fuel consumption. Replacing the needle with a correctly dimensioned OEM part restores clean, consistent fuel delivery and brings the engine back to its designed operating condition.
Part Details
| Part Number | 5200006957 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Needle |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Vibratory Rammer with 280mm/11 in Shoe | BS50-4s | 5000620908, 5000620322, 5000620071, 5000620078 |
| BS60-4s RMR,11 PL SHOE 40s | BS60-4s | 5000620323, 5000620387, 5000620909, 5000620073, 5000620072, 5000620820 |
| Four-cycle Rammer,280mm/11in S hoe | BS60-4s EU | 5000620388, 5000620074, 5000620483, 5000620813, 5000620819, 5000620816 |
| Four-stroke Vibratory Rammer, 280mm/11in Shoe | BS50-4s EU | 5000620811 |
| Vibratory Rammer with 280mm/11 in Shoe | BS50-4HO EU | 5000620818 |
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.
