The Wacker Neuson Cylinder Head is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including PDT and PDI diaphragm trash pumps, VP and WP single-direction vibratory plate compactors, CT walk-behind concrete trowels, and the A3000 gasoline power unit for internal vibrators. As a direct OEM part, the is manufactured to the same specification as the original, ensuring a seamless drop-in fit across every compatible model in the lineup. This cylinder head is verified for use across multiple machine families, making it a dependable stock item for dealers, service centers, and contractors running mixed Wacker Neuson fleets. Confirm your model number before ordering to ensure compatibility with your specific unit.
Key Features
- Genuine OEM Casting Integrity — Manufactured to original combustion chamber geometry, ensuring correct compression and sealing surface tolerances for the Honda-sourced engine used across this equipment family.
- Broad Cross-Family Fitment — A single part number covering PDT2A and PDT3A diaphragm trash pumps, PDI2A and PDI3A inline diaphragm pumps, VP1030A, VP1135A, VP1135Aw vibratory plates, WP1235A plates, CT24-4A and CT30ADT walk-behind trowels, and the A3000 power unit.
- Direct Bolt-On Replacement — Matches original head bolt pattern, port alignment, and gasket mating surface so installation follows the standard engine service procedure without modification to surrounding components.
- Compression and Power Restoration — A worn or cracked cylinder head causes compression loss, hard starting, overheating, and reduced output across all of these applications; replacing with 5000081786 restores full power delivery and stable operation.
- Fuel System Safety Relevance — Correct head sealing prevents combustion gases from contaminating the crankcase and reduces the risk of fuel or oil leaks near hot engine surfaces — important on pump and compactor applications where flammable material may be present nearby.
- Verified OEM Part Number — Sourced directly from Wacker Neuson's parts supply chain; the 5000081786 part number is cross-referenced across all listed model and serial number ranges for accurate identification.
The cylinder head is the structural and functional core of a four-stroke engine's top end — it seals the combustion chamber, houses the valves, and forms the surface against which combustion pressure acts to drive the piston. On the compact gasoline engines fitted to Wacker Neuson diaphragm pumps, vibratory plates, and walk-behind trowels, maintaining a sound cylinder head is essential to consistent compression, efficient fuel combustion, and stable power output at the tool or pump. When the head warps, cracks, or loses its sealing surface — whether from overheating, a blown head gasket, or physical damage — the engine will suffer from compression blowby, poor starting, excessive oil consumption, and ultimately failure to maintain operating speed under load.
Part Details
| Part Number | 5000081786 |
|---|---|
| Old Part Number | 0081786 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cylinder Head |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 50mm/2in Diaphragm Trash Pump | PDT2A | 5000007610, 5000007611, 5000620769 |
| 75mm/3in Diaphragm Trash Pump | PDT3A | 5000007614, 5000007615, 5000007616, 5000620773 |
| 50mm/2in Inline Diaphragm Tras h Pump | PDI2A | 5000007624, 5000007625 |
| 75mm/3in Inline Diaphragm Tras h Pump | PDI3A | 5000007628, 5000007629, 5000009407, 5000620775 |
| PG2A | PG2A | 5000007658, 5000009054 |
| CT24-4A Trowel | CT24-4A | 5000620105 |
| 610mm/24 inch Walk-behind Trow el | CT24-4A EU | 5000620849 |
| VP1135AW VIBROPLATE | VP1135AW | 5000009058, 5000630060 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT-E | 5000007587, 5000008002 |
| 762mm/30in CE Walk-behind Trow el | CT30ADT | 5000008005, 5000008001, 5000008197 |
| VP1135A VIBROPLATE | VP1135A | 5000009057, 5000630059, 5100029066, 5100018353 |
| Single direction vibratory plate WP1235A | WP1235A | 5000630016 |
| Single Direction Plates | AP1135A | 5000009519 |
| Gasoline Power Unit for Intern al Vibrator | A3000 | 5000006237 |
| Single Direction Plates | WP1235Aw | 5000630103 |
| Single Direction Plates | WP1235Aw-L | 5000630104, 5000630105 |
| Single Direction Plates | WP1235Aw-LL | 5000630122 |
| PDI2A(I) | PDI2A(I) | 5000620772 |
| PDI3A(I) | PDI3A(I) | 5000620776 |
| VP1135AWSingle Direction Vibratory Plate | VP1135Aw US | 5100018350, 5100029063 |
| VP1135A-VIBROPLATE | VP1135A US | 5100018351, 5100029064 |
| VP1135Aw | VP1135Aw | 5100018352, 5100029065 |
| Single direction vibratory plate VP1030Aw | VP1030Aw | 5100018356 |
| Single direction vibratory plate VP1030A | VP1030A | 5100018357 |
| Vibration Plate | VP1135Aw CN | 5100039666 |
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.
