The Wacker Neuson Screw is a genuine OEM component designed for the PT6LT and APT series self-priming centrifugal trash pumps, covering skid-mounted, trailer-mounted, surge brake, electric brake, and cold weather configurations across the APT4S, APT4T, APT6S, APT6T, APT8S, and APT8T model families. As a factory-sourced part, the is manufactured to the exact material grade, thread specification, and dimensional tolerances of the original hardware — ensuring a proper seating connection with no guesswork on fitment. This screw is confirmed compatible across an extensive range of PT6LT and APT pump variants, making it a reliable go-to when servicing any machine in this pump lineup. Keep a spare on hand to avoid unnecessary delays during routine maintenance or field repairs.
Key Features
- Exact Thread and Dimensional Match — Manufactured to OEM thread pitch, head size, and length spec, so it seats and torques correctly without risk of cross-threading or improper clamping force.
- Genuine Wacker Neuson OEM Part — Sourced directly from Wacker Neuson, this screw carries the same material and hardness grade as the hardware installed at the factory — no substitutions or approximations.
- Broad APT and PT6LT Series Coverage — A single part number serves the full APT4S, APT4T, APT6S, APT6T, APT8S, and APT8T pump families, including skid, trailer, surge brake, electric brake, and cold weather variants, as well as the PT6LT pump with trailer.
- Maintains Pump Integrity Under Pressure — Correct fastener hardware is critical on high-flow trash pump assemblies; an undersized or incorrect screw can compromise housing alignment and lead to leaks or vibration-related loosening during operation.
- Direct OEM Replacement — Drops into the same position as the original with no rework needed, keeping service time to a minimum on PT6LT and APT pump maintenance intervals.
A screw in a trash pump assembly does more than hold components together — it maintains the clamping load and alignment between pump housings, covers, brackets, or mounting interfaces that must stay rigid under continuous vibration and fluid pressure. When a fastener is the wrong grade, thread pitch, or length, it can strip out, back off under load, or fail to achieve the specified clamp force, leading to misalignment, leaks, or accelerated wear on adjacent components. Using the correct OEM screw — matched to the exact spec of the original — ensures that every bolted joint in the pump assembly performs as designed across the full service life of the machine.
Part Details
| Part Number | 5000077792 |
|---|---|
| Old Part Number | 0077792 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Screw |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6LT Pump w/Trailer | PT6LT | 5000007175, 5200014740 |
| Trash Pump | PT6LT(I) | 5100014076 |
| APT6S Pump w/Skid | APT6S | 5200018982 |
| APT6T Pump, Surge Brake | APT6T | 5200019646, 5200019647 |
| APT6T Pump, Surge Brake, Cold Weather | APT6T CW | 5200019794, 5200019795 |
| APT4S Pump w/Skid | APT4S | 5200018977 |
| APT8S Pump w/Skid | APT8S | 5200018987 |
| APT4T Pump, Surge Brake | APT4T | 5200019643, 5200019644 |
| APT8T Pump, Surge Brake | APT8T | 5200019648, 5200019649 |
| APT4T Pump, Surge Brake, Cold Weather | APT4T CW | 5200019792, 5200019793 |
| APT8T Pump, Surge Brake, Cold Weather | APT8T CW | 5200019796, 5200019797 |
| APT4S Pump w/Skid, Cold Weather | APT4S CW | 5200019798 |
| APT6S Pump w/Skid, Cold Weather | APT6S CW | 5200019799 |
| APT8S Pump w/Skid, Cold Weather | APT8S CW | 5200019800 |
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.