The Multiquip 29891 Upper Mast Assembly is a genuine OEM component designed for Multiquip lighting systems including the MB150, MB400, MB400B, MB1000, and MB1000W. As a direct OEM replacement, this assembly is manufactured to the same specifications as the original part, ensuring a correct fit within the mast structure. Sourced directly through authorized channels, the part is the right choice when you need to restore your lighting system to full working height and stability. Verify your model against the confirmed fitment list — MB150, MB400, MB400B, MB1000, and MB1000W — before ordering.
Key Features
- Genuine OEM Construction — Manufactured to original Multiquip specifications, ensuring the structural integrity and dimensional accuracy a mast assembly demands under repeated raising and lowering cycles.
- Direct-Fit Replacement — Engineered to connect directly to the existing mast base and light head mount points, allowing straightforward installation without custom fitting or modification.
- Broad Lighting System Compatibility — Confirmed fitment for MB150, MB400, MB400B, MB1000, and MB1000W Multiquip lighting systems, covering a wide range of light tower configurations.
- Restores Full Operational Height — A damaged or bent upper mast section compromises light positioning and coverage on the work area; replacing it with part 29891 brings the tower back to its designed elevation and range of motion.
- Structural Safety Compliance — The upper mast is a load-bearing structural component that supports the light head assembly at height; using a genuine OEM replacement maintains the structural ratings the tower was designed to meet.
The upper mast assembly forms the top telescoping or fixed section of the light tower mast, supporting the light head and positioning it at the correct working height above ground. It connects to the lower mast or base section and must bear the static load of the lamp head while resisting lateral movement caused by wind or vibration. When the upper mast is bent, cracked, or otherwise damaged, the light head cannot be safely raised or held at the proper elevation, reducing site illumination coverage and creating a potential safety hazard. Replacing it with the correct OEM assembly restores the tower to its original load rating and operational geometry.
Part Details
| Part Number | 29891 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Upper Mast Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Lighting System | MB150 |
| Lighting System | MB400 |
| Lighting System | MB400B |
| Lighting System | MB1000 |
| Lighting System | MB1000W |
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.
