The Wacker Neuson Piston Pin is a genuine OEM component designed for a wide range of Wacker Neuson equipment, including PT3A series 3-inch centrifugal trash pumps, CT36 and CT48 series walk-behind concrete power trowels, BPS 2550A vibratory plate compactors, HPG50 and HPG100 vibratory truss screed power sections, and GP3800A and GV3800 portable generators. As a factory-sourced part, the is manufactured to the same specification as the original component installed at the factory, ensuring a correct installation with no guesswork. This piston pin fits an extensive list of PT3A and CT-series models across multiple production runs, making it a widely applicable service part for dealers and contractors who operate mixed fleets. Keep part number on hand to minimize engine rebuild turnaround across all compatible platforms.
Key Features
- OEM-Grade Material Hardness — Manufactured to the exact metallurgical specification of the original, ensuring correct interference fit and wear resistance within the piston bore and connecting rod eye.
- Drop-In Engine Rebuild Fit — Dimensioned to match the original pin bore diameter across all compatible engines, allowing direct installation during piston and rod service without machining or shimming.
- Broad Cross-Platform Fitment — Compatible with PT3A trash pumps, CT36 and CT48 walk-behind trowels, BPS 2550A vibratory plate, HPG50/HPG100 screed power sections, and GP3800A/GV3800 generators.
- Sustained Power Transfer — A correctly sized piston pin maintains the rigid, low-friction link between the piston and connecting rod, supporting consistent compression and full engine output on every stroke.
- Fuel System & Combustion Safety — A worn or undersized pin allows lateral piston movement, which can accelerate bore wear, increase blow-by, and lead to uncontrolled combustion conditions; replacing with the correct OEM pin restores safe engine operation.
The piston pin is the hardened cylindrical connector that links the piston to the small end of the connecting rod inside the engine cylinder. It transfers the force of combustion from the piston down through the rod and into the crankshaft, converting linear motion into rotational power. When a piston pin wears, becomes scored, or develops excessive clearance, it causes audible piston knock, accelerated bore and rod-eye wear, and ultimately loss of compression — all of which reduce engine output and can lead to catastrophic internal engine failure if left unaddressed.
Part Details
| Part Number | 5200001253 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Pin |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800, 5000006729, 5000006730, 5100058535, 5100058536, 5100042216 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP | 5000007596, 5000007595 |
| 915mm/36in CE Walk-behind Trow el | CT36AGP-E | 5000008036, 5000008026 |
| 1220mm/48in Walk-behind Trowel | CT48ADP | 5000007598, 5000007599, 5000008199 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADP-E | 5000008027, 5000008028 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT-E | 5000007594, 5000008012 |
| 1220mm/48in CE Walk-behind Tro wel | CT48ADT-E | 5000007597, 5000008016 |
| 915mm/36in CE Walk-behind Trow el | CT36AGT | 5000008014, 5000008011 |
| 1220mm/48in Walk-behind Trowel | CT48ADT | 5000008015, 5000008040 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVP | 5000009235, 5000009236 |
| HPG100A | HPG100A | 5000009507 |
| 915mm/36in Variable Speed Walk #NAME? | CT36AVT | 5000009233, 5000009234 |
| Single Direction Vibratory Pla te, 25kN, 50cm/20in | BPS 2550A | 5000007528 |
| HPG50A | HPG50A | 5000009509 |
| Reversible Plates | MPU 29A | 5000630244 |
| Value Portable Generator | GV3800 | 5000620994 |
| Vibratory Truss Screed, Power Section | HPG100 | 5000008293 |
| Vibratory Truss Screed, Power Section | HPG50 | 5000008294 |
| GP3800A | GP3800A | 5100041978 |
| PT3A(I) | PT3A(I) | 5100042614 |
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.
