The Wacker Neuson Crankcase Cover is a genuine OEM crankcase cover designed for the LTN4Y and LTN5Y series light towers. As a factory-sourced component, this part is manufactured to the exact specifications required by Wacker Neuson, ensuring a correct fit without the guesswork of third-party alternatives. Fitment spans the full LTN4Y and LTN5Y model families, including the LTN4Y 60Hz, LTN4Y SA, LTN4Y RH, LTN4Y 120V/60Hz, LTN5Y, LTN5Y SA, LTN5Y CH, LTN5Y UK, LTN5Yp, LTN5Yp HD, LTN5Ypa, and LTN5Ypk variants. When it's time to restore your light tower's engine integrity, part is the direct, OEM-verified solution.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Wacker Neuson's exact dimensional and material tolerances, this crankcase cover maintains the critical oil-tight seal that protects internal engine components from contamination and leakage.
- Direct Drop-In Installation — Matches the original mounting pattern and gasket surface of the LTN4Y and LTN5Y engine housings, aligning correctly with existing fastener points for a straightforward swap during service.
- Broad LTN Series Coverage — A single part number covers the full range of LTN4Y and LTN5Y variants, including standard, 60Hz, SA, RH, UK, CH, HD, and 120V/60Hz configurations.
- Engine Protection Where It Counts — A cracked or warped crankcase cover allows oil to escape and debris to enter, leading to accelerated wear on bearings and moving parts. Replacing it promptly with an OEM part keeps the engine running at its rated output.
- Fuel System Safety Compliance — Maintaining a properly sealed crankcase prevents oil mist from migrating into unintended areas of the engine bay, supporting safe and compliant operation of your light tower on the worksite.
The crankcase cover seals off the crankcase cavity of the engine, keeping lubricating oil contained and preventing outside contaminants — dirt, moisture, and debris — from reaching the rotating assembly inside. It works in tandem with a gasket or sealing surface to maintain the pressurized oil environment that bearings, journals, and other internal components depend on to function correctly. When a crankcase cover cracks, warps, or its sealing surface deteriorates, oil loss and contamination follow quickly, which can lead to significant internal engine damage if not addressed.
Part Details
| Part Number | 5100075902 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Crankcase Cover |
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.