The Wacker Neuson Piston Set Standard is a genuine OEM component designed for the PT6LT and PT6LS series 6-inch centrifugal trash pumps. Sourced directly from Wacker Neuson, this standard-bore piston set ensures correct dimensional fit within the engine cylinder bore with no guesswork on sizing. It is confirmed compatible with the PT6LT Pump with Trailer and the PT6LS 150mm/6-inch Centrifugal Trash Pump Skid Mounted configurations. When your pump engine shows signs of compression loss, excessive oil consumption, or reduced output, replacing the piston set with a genuine part restores the engine to proper operating specification.
Key Features
- Genuine OEM Dimensional Accuracy — Standard-bore pistons machined to Wacker Neuson's exact cylinder tolerances, ensuring correct compression ratio and ring seal from the first start.
- Drop-In Engine Rebuild Fit — Designed to install directly into the existing standard-bore cylinder without reboring, making this the straightforward choice for a first-time engine overhaul on these pumps.
- Confirmed PT6LT and PT6LS Compatibility — Verified fitment for both the trailer-mounted PT6LT and the skid-mounted PT6LS 6-inch trash pump platforms.
- Sustained High-Volume Pumping Capacity — A properly sealed piston set maintains the combustion pressure needed to drive full-rated flow through a 6-inch discharge, so the pump handles heavy slurry and debris loads without starving for power.
- Compression Integrity for Fuel Efficiency — Worn pistons allow blow-by that wastes fuel and strains the engine; a fresh OEM set restores the tight seal that keeps fuel consumption and exhaust emissions within expected ranges.
The piston set is the core reciprocating assembly inside the pump engine's cylinder. Each piston travels up and down to compress the air-fuel mixture, drive combustion, and transmit power to the crankshaft — which ultimately spins the impeller that moves water and debris through the pump housing. When pistons wear, their rings lose the ability to seal combustion gases, leading to lost compression, hard starting, excessive oil burning, and a measurable drop in pump output. Replacing the piston set at the standard bore size is typically the first step in an engine rebuild and directly restores the power stroke efficiency that keeps a 6-inch trash pump operating at its rated capacity on demanding dewatering and site drainage work.
Part Details
| Part Number | 5000150036 |
|---|---|
| Old Part Number | 0150036 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston Set Standard |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6LT Pump w/Trailer | PT6LT | 5000007175 |
| 150mm/6in Centrifugal Trash Pu mp Skid Mounted | PT6LS | 5000007174 |
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.
