The Wacker Neuson Flywheel is a genuine OEM component engineered for a broad range of Wacker Neuson equipment powered by compatible Honda GX series-style engines, including CT36-5A walk-behind concrete power trowels, WP and VP single-direction vibratory plate compactors, GP2500A and GV2500A portable generators, PT2A self-priming trash pumps, BPU reversible vibratory plates, BFS floor saws, and HP/HPG vibratory screed power sections. Sourced directly from Wacker Neuson, part is manufactured to the same tolerances and specifications as the original component installed at the factory. Its wide cross-model compatibility makes it a single stocking solution for fleets running multiple Wacker Neuson machine families. Confirm your model and serial number against the fitment list before ordering to ensure a correct application match.
Key Features
- Genuine OEM Mass and Balance Spec — Cast to the same rotational mass and balance tolerances as the original, preserving smooth engine operation and preventing vibration-induced wear on adjacent drivetrain components.
- Direct Bolt-On Replacement — Matches the original crankshaft taper, keyway, and bolt pattern, allowing a straightforward swap using standard flywheel puller tooling without machining or shimming.
- Broad Cross-Model Fitment — Verified for CT36-5A trowels, WP/VP/WPP/WPU/AP vibratory plate families, GP2500A and GV2500A generators, PT2A trash pumps, BPU2540A reversible plates, BFS614AB floor saws, and HP/HPG screed power units.
- Ignition System Integrity — Carries the magneto trigger magnets in their original positions, maintaining correct ignition timing so the engine starts reliably and runs at rated output without misfires or timing drift.
- Fuel System Safety Compliance — A correctly balanced flywheel eliminates abnormal crankshaft deflection that can stress fuel line fittings and carburetor mounting flanges, reducing the risk of fuel leaks on a running engine.
The flywheel is a heavy rotating disc bolted to the end of the crankshaft. Its primary job is to store rotational energy during the engine's power stroke and release it smoothly through the remaining strokes, keeping the crankshaft turning at a steady speed. On small-engine equipment like Wacker Neuson plates, trowels, generators, and pumps, the flywheel also carries the permanent magnets that pass by the ignition coil to generate the spark trigger signal — meaning a damaged or missing flywheel will prevent the engine from firing at all. When a flywheel cracks, loses a magnet, or becomes out of balance, the result is hard starting, rough running, erratic ignition timing, and accelerated wear on the crankshaft bearings and engine seals.
Part Details
| Part Number | 5000162681 |
|---|---|
| Old Part Number | 0162681 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flywheel |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-5A Trowel | CT36-5A | 5000009438, 5200016256 |
| CT36-5A | CT36-5A EU | 5000620829 |
| CT36-5A-C Trowel | CT36-5A-C | 5000620040 |
| GP2500A | GP2500A | 5000620128, 5200002844, 5000620009 |
| PT2A | PT2A | 5000009095, 5000009237, 5000009092, 5100058524, 5100058525 |
| PG3A | PG3A | 5000009055 |
| GV2500A | GV2500A | 5000009345, 5000009350, 5000620542, 5000620286 |
| Vibratory Plate, 15kN, 400mm/1 5.5in | WP1540AW | 5000008060, 5000009545, 5000009472, 5000630045 |
| Vibratory Plate, 15 kN, 500mm/ 19.5in | WP1550AW | 5000007576, 5000009546, 5000630043, 5000009486 |
| WP1540A VIBROPLATE | WP1540A | 5000008061, 5000630017, 5000630046 |
| WP1550A Single Direction Vibratory Plate | WP1550A | 5000007579, 5000630019, 5000630044 |
| VP1550AW VIBROPLATE | VP1550AW | 5000009028, 5000630055 |
| VP1340AW VIBROPLATE | VP1340AW | 5000009032, 5000630058 |
| VP1550A Single Direction Vibratory Plate | VP1550A | 5000009027, 5000630054 |
| VP2050A VIBROPLATE | VP2050A | 5000009087, 5000630062 |
| WPU1550A | WPU1550A | 5000630033, 5100071592 |
| WPU1550Aw | WPU1550Aw | 5000630034 |
| WPP 1550Aw | WPP1550Aw | 5000630030 |
| Single Direction Plates | AP1550AW | 5000009540 |
| WPP 1540A | WPP1540A | 5000630025 |
| WPP 1550A | WPP1550A | 5000630029 |
| Vibratory Truss Screed, Power Section | HP100A | 5000009506 |
| HP50A | HP50A | 5000009508 |
| WP 2050A | WP2050A | 5000630022 |
| WPP 1540Aw | WPP1540Aw | 5000630026 |
| BPU2540A | BPU 2540A | 5000008758 |
| HPG50A | HPG50A | 5000009509 |
| Single Direction Plates | AP1550A | 5000009539 |
| VP1550AW/WH | VP1550AW/WH | 5000630373 |
| VP2050AW VIBROPLATE | VP2050AW | 5000009510 |
| Single Direction Plates | WP1550Aw | 5000630112 |
| Single Direction Plate | WP2050Aw | 5000630115 |
| Single Direction Plates | WP1540Aw-L | 5000630123 |
| Reversible Plates | WPU 1550A-L | 5000630124 |
| Single Direction Plates | WP1550Aw-L | 5000630126 |
| VP1340AW/WH | VP1340AW/WH | 5000630374 |
| WPU1550AW-US | WPU1550AW-US | 5100069715 |
| WPU1550Aw | WPU1550AW | 5100071591 |
| Floor Saws | BFS 614AB | 5000009527 |
| Single Direction Plates | WP1540Aw | 5000630106 |
| WPU1550A-US | WPU1550A-US | 5100069716 |
| BPU 2540A US | BPU 2540A US | 5000610360 |
| Single Drum Vibratory Roller | RS600A | 5000630010 |
| Single direction vibratory plate VP1340A | VP1340A | 5000630057 |
| Single Direction Plates | WP2050Aw-L | 5000630125 |
| HPG100A | HPG100A | 5000009507 |
| A5000/160 ISO | A5000/160 ISO | 5000610325 |
| A5000/160 ANSI | A5000/160 ANSI | 5000610340 |
| Single direction vibratory plate WP1235A | WP1235A | 5000630016 |
| Modular Internal Vibrators | D3.5A3 | 5100072402 |
| Modular Internal Vibrators | D3.5A2 | 5100072405 |
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.
