The Wacker Neuson 5100000392 Governor Complete is a genuine OEM component designed for a broad range of Wacker Neuson equipment, including BFS1345 and BFS1350 floor saws, RD7 and RD7A tandem rollers, BPU 5545A and BPU 6275Ah reversible plate compactors, and PT4A trash pumps. As a direct factory replacement, the 5100000392 meets the original design specifications and installs in place of the worn or failed unit with no adaptation required. This governor assembly is essential to maintaining consistent engine speed across the full range of Wacker Neuson machines it serves, making it a high-priority service part for contractors and equipment managers alike.
Key Features
- Genuine OEM Calibration: — Factory-engineered to the original RPM control tolerances, ensuring the governor regulates engine speed within the designed operating range — not just approximately.
- Complete Assembly: — Supplied as a complete governor unit, so all internal components are matched and pre-assembled, eliminating the guesswork of sourcing individual sub-parts.
- Broad Verified Fitment: — Confirmed for BFS1345 and BFS1350 floor saws, RD7 and RD7A tandem rollers, BPU 5545A, BPU 5260Ah and BPU 6275Ah plate compactors, and PT4A trash pumps — one part number covering multiple machine families.
- Engine Speed Stability: — A functioning governor holds engine RPM steady under load; a failed or worn governor causes hunting, surging, or loss of cutting/compaction power at the work surface.
- Fuel System Compliance: — As part of the engine's fuel and throttle management system, a correctly calibrated governor also helps prevent over-revving, protecting the engine and connected drivetrain components.
The governor on a gasoline engine controls throttle position in response to load changes, keeping engine speed steady whether the machine is cutting concrete, compacting soil, or pumping water. When load increases — such as a floor saw blade entering hard aggregate — the governor opens the throttle to maintain RPM; when load drops, it reduces fuel delivery to prevent over-speeding. A worn or failed governor results in erratic engine behavior, loss of output power, and accelerated engine wear, making timely replacement critical to both performance and engine longevity.
Part Details
| Part Number | 5100000392 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Governor Complete |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BFS1345 | BFS1345 | 5100029230, 5100054575 |
| RD7 Tandem Roller | RD7A | 5100017196, 5200015243, 5200015246 |
| Basic floor saw, 450mm/18in | BFS 1345AB | 5000008764, 5000610141 |
| BFS1350 | BFS1350 | 5100054576, 5100029231 |
| BPU 5545A US | BPU 5545A US | 5100009658, 5100000678 |
| BPU5545A | BPU 5545A | 5100009657, 5000610346 |
| BFS 1318AB SAW | BFS 1318AB | 5000610091 |
| BFS 1345 SAW,ABZ | BFS 1345ABZ | 5000610242 |
| BFS1350 | BFS1350 CN | 5100042680 |
| PT4A | PT4A | 5100042217, 5100042604 |
| Petrol Floor Saw BFS 1350ABZ | BFS 1350ABZ | 5100000091 |
| Petrol Floor Saw BFS 1350AB | BFS 1350AB | 5100000089 |
| Gasoline Powered Floor Saw | BFS 1350Az | 5100004012 |
| Gasoline Powered Floor Saw | BFS 1350A | 5100004011 |
| BFS1350 | BFS 1350 | 5100009933 |
| Floor Saw | BFS 1318A | 5100004006 |
| BFS1345 Floor Saw | BFS 1345 | 5100009944 |
| Gasoline Powered Floor Saw | BFS 1345A | 5100004007 |
| PT4A(I) | PT4A(I) | 5100042615 |
| BPU6275Ah | BPU6275Ah | 5100077266 |
| BFS1345Az Floor Saw | BFS 1345Az | 5100004008 |
| BPU5260Ah | BPU5260Ah | 5100077265 |
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.
