The Wacker Neuson Carburetor Complete is a genuine OEM Carburetor Complete designed for the RD7 and RD7A tandem rollers, BPU 5545A and BPU 5545A US reversible vibratory plate compactors, PT4A and PT4A(I) self-priming trash pumps, and BPU5260Ah and BPU6275Ah reversible vibratory plate compactors. Sourced directly from Wacker Neuson, this carburetor assembly meets the original design specifications and is an exact match for the factory-installed unit — no guesswork on compatibility. As a genuine OEM part, the delivers the correct fuel-to-air calibration that each compatible machine was engineered around, supporting consistent starts and steady power output across the full range of operating conditions. Keep part number on hand as a service spare to minimize unplanned downtime on busy compaction and pump operations.
Key Features
- OEM-Calibrated Fuel Metering — Factory-set jets and needle position deliver the correct air-to-fuel ratio for each compatible engine, preserving throttle response and full-load power output.
- Drop-In Assembly Replacement — Supplied as a complete carburetor unit with all internal components assembled, allowing a straightforward swap onto the existing intake manifold mounting without sourcing individual sub-components.
- Broad Cross-Machine Compatibility — Verified fitment across the RD7 and RD7A tandem rollers, BPU 5545A and BPU 5545A US reversible vibratory plate compactors, PT4A and PT4A(I) trash pumps, and BPU5260Ah and BPU6275Ah reversible plate compactors.
- Consistent Cold and Warm Starts — A correctly functioning OEM carburetor maintains the choke and idle circuits that these engines depend on for reliable starts in varied ambient temperatures and after extended storage periods.
- Fuel System Integrity — Worn or varnished carburetor circuits cause lean-running conditions, rough idle, and stalling under load; replacing with the genuine 5100001090 restores proper fuel delivery and protects the engine from lean-burn damage.
The carburetor is responsible for blending air and fuel in the precise ratio the engine needs to run efficiently across all throttle positions. It meters fuel through calibrated jets and circuits — idle, mid-range, and main — so the engine produces the correct power whether it is warming up, running at part load, or working at full throttle under compaction or pumping demand. When a carburetor wears, becomes clogged with varnish deposits, or develops internal leaks, the engine may run rough, surge, stall under load, or refuse to start; replacing the assembly restores the clean fuel signal the engine needs to perform as intended.
Part Details
| Part Number | 5100001090 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Carburetor Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| RD7 Tandem Roller | RD7A | 5100017196, 5200015243, 5200015246 |
| BPU5545A | BPU 5545A | 5100009657, 5000610346 |
| BPU 5545A US | BPU 5545A US | 5100009658, 5100000678 |
| PT4A | PT4A | 5100042217, 5100042604 |
| PT4A(I) | PT4A(I) | 5100042615 |
| BPU5260Ah | BPU5260Ah | 5100077265 |
| BPU6275Ah | BPU6275Ah | 5100077266 |
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.
