The Wacker Neuson Mast Lock Spring is a genuine OEM component designed for the LT, LTP, and LTW series light towers. Sourced directly from Wacker Neuson, this part meets the exact engineering specifications of the original, ensuring correct retention and engagement within the mast assembly. It is confirmed to fit a wide range of models including the LT4K, LTP4K, LT4Z, LTP4Z, LTW4Z, LTWP4Z, LTW4K, LTWP4K, LTW6Z, LT4SK, LTP4SK, LT4SZ, and LTP4SZ light towers. When the original spring wears or loses tension, proper mast locking function is compromised — replacing it with part number restores safe, secure mast operation.
Key Features
- Genuine OEM Spring Tension: — Manufactured to Wacker Neuson's original spring rate specification, ensuring correct locking force and consistent engagement in the mast mechanism.
- Direct-Fit Replacement: — Engineered to install in the same position as the original, with no reshaping or adjustment needed to seat correctly in the mast lock assembly.
- Broad LT/LTW Series Compatibility: — Fits LT4K, LTP4K, LT4Z, LTP4Z, LTW4Z, LTWP4Z, LTW4K, LTWP4K, LTW6Z, LT4SK, LTP4SK, LT4SZ, and LTP4SZ light towers across multiple machine numbers.
- Mast Security Restored: — A correctly tensioned lock spring keeps the mast securely positioned at operating height; a fatigued or broken spring can allow unintended mast movement during operation.
- Operational Safety: — The mast lock spring is a critical retention component on elevated light tower masts. Using a genuine OEM spring with correct load characteristics is essential to maintaining safe mast positioning on the worksite.
The mast lock spring on a Wacker Neuson light tower holds the telescoping or folding mast securely in its raised position once extended to operating height. It applies the retention force needed to keep the locking mechanism engaged, preventing the mast from dropping or shifting unexpectedly while the tower is in use. When this spring fatigues, deforms, or breaks, the mast lock may no longer hold reliably — making prompt replacement with the correct OEM part essential before returning the unit to service.
Part Details
| Part Number | 5000087482 |
|---|---|
| Old Part Number | 0087482 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Mast Lock Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Light Tower | LT4K | 5000007620 |
| Light Tower | LTP4K | 5000007621 |
| Light Tower | LT4Z | 5000007635, 5000007689, 5000009080, 5000009226 |
| Light Tower | LTP4Z | 5000007636, 5000008063, 5000009227 |
| Light Tower | LTW4Z | 5000008064 |
| Light Tower | LTWP4Z | 5000008065 |
| Light Tower | LTW4K | 5000008066 |
| Light Tower | LTWP4K | 5000008067 |
| Light Tower | LTW6Z | 5000008068 |
| Light Tower | LT4SK | 5000007622 |
| Light Tower | LTP4SK | 5000007623 |
| Light Tower | LT4SZ | 5000007637 |
| Light Tower | LTP4SZ | 5000007638 |
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.