The Wacker Neuson Rocker Arm Complete is a genuine OEM component designed for the LTN4Y and LTN5Y series light towers, including LTN4Y, LTN4Y RH, LTN5Y, LTN5Yp, LTN5Yp HD, LTN5Ypk, LTN5Ypa, and related variants. As a direct OEM replacement, the is manufactured to the same specifications as the original part, ensuring a correct fit and consistent engine performance across the full range of compatible models. This assembly covers an extensive fitment list that includes 60Hz, SA, CH, UK, and 120V/60Hz configurations of the LTN4Y platform, as well as multiple LTN5Y variants — making it a versatile stocking part for service fleets and field technicians working across mixed equipment inventories.
Key Features
- OEM Valve Train Geometry: — Manufactured to the exact pivot geometry and surface hardness of the original, preserving correct valve lift and timing across the engine's service life.
- Drop-In Engine Replacement: — Matches the original rocker arm mounting points and rocker shaft bore dimensions, allowing direct installation without modification to the cylinder head assembly.
- Broad LTN Series Compatibility: — Fits LTN4Y, LTN4Y RH, LTN4Y SA, LTN5Y, LTN5Yp, LTN5Yp HD, LTN5Ypk, LTN5Ypa, LTN5Y CH, LTN5Y UK, and LTN4Y 120V/60Hz light tower models.
- Sustained Engine Breathing: — A correctly functioning rocker arm transfers camshaft motion accurately to the intake and exhaust valves; a worn or cracked rocker causes misfires, loss of power, and accelerated valve seat wear.
- Genuine Wacker Neuson Part: — Supplied as a complete rocker arm assembly under part number 5100075764, sourced directly through the Wacker Neuson OEM parts program for verified authenticity.
The rocker arm is a pivoting lever in the engine's valve train that converts the rotational motion of the camshaft into the linear motion needed to open and close the intake and exhaust valves. It sits between the pushrod and the valve stem, transferring force at precisely the right moment in the combustion cycle to control airflow in and out of the cylinder. When a rocker arm wears at its contact surfaces, cracks, or loses correct pivot clearance, valve timing becomes erratic — leading to rough running, power loss, excessive fuel consumption, or in severe cases, valve and head damage that requires far more extensive repair.
Part Details
| Part Number | 5100075764 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Rocker Arm Complete |
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.
