The Wacker Neuson Rotator Valve Cap is a genuine OEM component designed for the LTN4Y and LTN5Y series light towers, including the LTN4Y, LTN4Y 60 Hz, LTN4Y SA, LTN4Y RH, LTN4Y 120V/60Hz, LTN5Y, LTN5Y SA, LTN5Y CH, LTN5Y UK, LTN5Yp, LTN5Yp HD, LTN5Ypa, and LTN5Ypk models. Sourced directly from Wacker Neuson, this is a factory-authorized part manufactured to the same specification as the original — ensuring a correct, hassle-free installation every time. Cross-referencing part number against your serial tag before ordering is the best way to confirm this is the right cap for your machine.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's original material and dimensional spec, so the cap seats and seals the rotator valve exactly as intended.
- Drop-In Installation — Matches the original mounting interface on the rotator valve assembly, threading on or pressing into place without rework or adapters.
- Broad LTN Series Coverage — A single part number serves the full LTN4Y and LTN5Y light tower family, including SA, RH, CH, UK, 60 Hz, 120V/60Hz, Yp, Ypa, Ypk, and HD variants.
- Protects Valve Function — Keeps contaminants and moisture out of the rotator valve port, preserving smooth mast rotation and preventing premature valve wear or sticking.
- Direct from the Source — As a genuine Wacker Neuson part, 5100075787 carries the full backing of the manufacturer and is the correct choice for fleet maintenance programs and warranty-period repairs.
The rotator valve cap serves as a protective closure for the rotator valve on Wacker Neuson light tower mast systems. The rotator valve controls the flow of hydraulic fluid that raises, lowers, and rotates the mast head, and the cap seals an exposed port on that valve against dirt, water, and debris ingress. When the cap is missing, cracked, or no longer seating properly, contaminants can enter the valve body, leading to sluggish mast movement, internal scoring, or premature valve failure — turning a minor maintenance item into a costly repair.
Part Details
| Part Number | 5100075787 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rotator Valve Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| LTN5Yp | LTN5Yp | 5100069549 |
| LTN5Y SA | LTN5Y SA | 5100069548 |
| LTN4Y | LTN4Y ME | 5100069545 |
| LTN4Y 60 Hz | LTN4Y 60Hz | 5100069546 |
| LTN4Y SA | LTN4Y SA | 5100069547 |
| LTN4Y | LTN4Y | 5100073603 |
| LTN5Ypk | LTN5Ypk | 5100077880 |
| LTN4Y RH | LTN4Y RH | 5100077620 |
| LTN5Yp HD | LTN5Yp HD | 5100079429 |
| LTN5Y | LTN5Y | 5100069550 |
| LTN5Ypa | LTN5Ypa | 5100069551 |
| LTN5Y CH | LTN5Y CH | 5100069552 |
| LTN5Y UK | LTN5Y UK | 5100069553 |
| LTN4Y 120V/60Hz | LTN4Y 120V/60Hz | 5100075978 |
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.
