The Wacker Neuson is a genuine OEM Pipe Cap 1/4-18NPTF designed for CRT48 ride-on concrete trowels and CT36 and CT48 walk-behind concrete power trowels. As a factory-sourced component, the delivers the exact thread specification and sealing geometry required by the original equipment design. This cap fits an extensive range of CT36 and CT48 series trowels, as well as CRT48-34V ride-on models, making it a widely applicable service part across the Wacker Neuson concrete finishing lineup.
Key Features
- Exact Thread Specification: — Machined to the 1/4-18NPTF standard, ensuring a pressure-tight, tapered thread engagement with the mating port — no thread mismatch or fluid weep at the connection.
- Genuine OEM Sourcing: — Produced to Wacker Neuson's original design intent, so the cap seats and torques exactly as the machine was engineered to accept — critical for maintaining a sealed fluid or pneumatic circuit.
- Broad Trowel Compatibility: — Confirmed fitment across CRT48-34V ride-on trowels and a wide range of CT36 and CT48 walk-behind power trowel configurations, including standard, variable-speed, and EU variants.
- Port Integrity Maintained: — A correctly seated pipe cap prevents contamination ingress and fluid loss at open or service ports, keeping the trowel's internal systems operating as designed between service intervals.
- Fuel and Fluid System Compliance: — On trowels where this cap seals a fuel or hydraulic port, using a properly rated NPTF fitting is essential to prevent leaks that could create a fire or safety hazard on the finishing deck.
A pipe cap is a threaded plug used to seal an open port in a fluid, fuel, or pneumatic circuit. The 1/4-18NPTF designation refers to a tapered National Pipe Thread Fuel specification, which creates a pressure-tight mechanical seal as the threads engage — without relying solely on a gasket or sealant. On concrete trowels, these caps are typically used to close off service ports, unused circuit connections, or hydraulic fittings during assembly and maintenance. A missing, cross-threaded, or incorrect cap can allow fluid leakage, air ingestion into hydraulic circuits, or contamination of sensitive systems, all of which can degrade trowel performance or create a safety concern on the work deck.
Part Details
| Part Number | 5000161279 |
|---|---|
| Old Part Number | 0161279 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Pipe Cap 1/4-18NPTF |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 1220mm/48in Ride-on Trowel | CRT48-34V | 5000620805, 5000620075, 5200004935 |
| CT36-5A Trowel | CT36-5A | 5000009438, 5200016256 |
| CT36-5A | CT36-5A EU | 5000620829 |
| CT36-8A-V Trowel | CT36-8A-V | 5000009442, 5000620832 |
| CT36-9-V Trowel | CT36-9-V | 5000009447, 5000620834 |
| CT36-5A-C Trowel | CT36-5A-C | 5000620040 |
| CT36-8A Trowel | CT36-8A | 5000009439, 5000620831 |
| CT36-9 Trowel | CT36-9 | 5000009444, 5000620833 |
| CT48-8A Trowel | CT48-8A | 5000009449 |
| CT48-8A | CT48-8A EU | 5000620837 |
| CT36-6 Trowel | CT36-6 | 5000009443, 5000620830 |
| CT48-13A-V Trowel | CT48-13A-V | 5000009452, 5000620836 |
| CT48-9 Trowel | CT48-9 | 5000009453, 5000620838 |
| CT48-11A Trowel | CT48-11A | 5000009450, 5000620835 |
| 915mm/36in, Walk-Behind Trowel | CT36-X | 5000620036 |
| 915mm/36in, Walk-behind Trowel | CT36-X-C | 5000620039 |
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.