The Wacker Neuson Gas Engine is a genuine OEM gas engine designed for BPU series reversible vibratory plate compactors, including the BPU 5545A, BPU 5545A US, BPU5260Ah, and BPU6275Ah models. As a direct OEM component sourced from Wacker Neuson, part is manufactured to the exact specification of the original unit it replaces, ensuring a direct installation fit with no improvised adaptations. This engine powers the exciter mechanism that drives the plate's reversible compaction action, making it the heart of the machine's soil and aggregate compaction capability. Confirm your model number against the fitment list before ordering to ensure compatibility.
Key Features
- Genuine OEM Combustion Spec: — Built to Wacker Neuson's original displacement, output, and fuel delivery tolerances for the BPU platform — not a generic substitution.
- Direct Engine Bay Fit: — Engineered to match the original mounting footprint, shaft orientation, and connection points on the BPU 5545A, BPU5260Ah, and BPU6275Ah frames.
- BPU Series Compatibility: — Verified fitment across BPU 5545A, BPU 5545A US, BPU5260Ah, and BPU6275Ah reversible plate compactors.
- Sustained Compaction Power: — A correctly functioning engine delivers consistent RPM and torque output to the exciter, maintaining the plate's rated compaction force across soil and aggregate applications.
- Fuel System Integrity: — As the machine's primary power source, the engine houses critical fuel and ignition systems; using a genuine OEM unit preserves correct governor response and safe operating behavior under load.
The gas engine is the primary power source of the BPU reversible vibratory plate compactor. It drives the exciter assembly that generates the vibration force transmitted through the baseplate, allowing the machine to compact soil, gravel, and aggregate in both forward and reverse directions. When the engine loses power, runs roughly, or fails entirely, the compactor cannot generate the vibration or travel force needed to meet compaction density requirements — bringing ground preparation work to a halt and risking subgrade quality on the project.
Part Details
| Part Number | 5100045997 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Gas Engine |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BPU5545A | BPU 5545A | 5100009657 |
| BPU 5545A US | BPU 5545A US | 5100009658 |
| 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.