The Wacker Neuson is a genuine OEM Screw 1/2-13 x 1-1/2 Hex Head Cap designed for the APT4S, APT6S, APT8S, APT4T, APT6T, and APT8T pump series, including standard, cold weather, surge brake, and electric brake configurations. Sourced directly from Wacker Neuson, this fastener is manufactured to the exact dimensions and grade specified for these trailer- and skid-mounted pump units. It drops into place using the original mounting points with no rework or modification to surrounding hardware. Whether you are completing a scheduled service or restoring a unit after field damage, part number ensures the connection holds to the same standard as when the machine left the factory.
Key Features
- Correct Thread Spec for Structural Integrity: — Cut to a 1/2-13 UNC thread profile and 1-1/2-inch grip length, matching the torque and clamping load requirements engineered into the APT pump frame and mounting assemblies.
- Genuine OEM Sourcing: — Manufactured by Wacker Neuson to the same material grade and dimensional standard as the original hardware, so you are not compensating for undersized heads or inconsistent thread engagement.
- Broad APT Series Coverage: — A single part number covers the full APT lineup — APT4S, APT6S, APT8S, APT4T, APT6T, and APT8T — across skid, trailer, surge brake, electric brake, and cold weather variants.
- Hex Head Drive for Field Serviceability: — The standard hex head cap format allows fast installation and removal with common wrench or socket tooling, keeping service time low on the job.
- Prevents Loosening Under Pump Vibration: — A properly torqued, correctly sized cap screw resists backing out under the continuous vibration loads generated during pump operation; an incorrect or worn fastener risks component shift and structural damage.
A hex head cap screw is a fully threaded or partially threaded fastener with a six-sided head driven by a wrench or socket, used to clamp structural and mechanical components together under a defined clamping load. On trailer- and skid-mounted pump units like the APT series, cap screws anchor critical assemblies — including frames, mounting brackets, and skid structures — and must maintain clamping force through the sustained vibration and load cycles of pump operation. When a cap screw is the wrong thread pitch, incorrect length, or wrong strength grade, it can strip, bottom out, or fail to generate sufficient clamp load, leading to component movement, accelerated wear on surrounding parts, and potential structural failure in the field.
Part Details
| Part Number | 5000175761 |
|---|---|
| Old Part Number | 0175761 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Screw 1/2-13 x 1-1/2 Hex Head Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 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.