Multiquip EM514355 Main Frame

The Multiquip EM514355 Main Frame is a genuine OEM component designed for LS-series hydraulic-driven concrete pumps, including the LS400, LS500, LS600, LS40D, LS40TD, and LS50TD. As a direct factory replacement, it delivers the structural integrity these high-output machines demand in demanding concrete placement applications. Sourced directly through authorized channels, this part carries the same specifications as the frame installed at the factory, ensuring a correct fit without modification. If you need to verify compatibility with your specific unit, DHS Equipment is available to assist — call us at 310-327-0867.

Key Features

• Genuine OEM Structural Integrity — Manufactured to the same tolerances and material grade as the original, maintaining the load-bearing and mounting geometry the LS-series pump chassis depends on.
• Direct Bolt-In Replacement — Mounting points, dimensions, and attachment interfaces match the original exactly, so components re-install to their factory positions without rework.
• Broad LS-Series Fitment — Compatible with LS400, LS500, LS600, LS40D, LS40TD, and LS50TD hydraulic concrete pumps, covering a wide range of Mayco pump configurations.
• Foundation for All Mounted Components — The main frame anchors the pump assembly, hydraulic system, engine, and hopper. A compromised frame affects the alignment and performance of every system attached to it.
• Long-Term Structural Confidence — Using a genuine OEM frame preserves correct component spacing and machine geometry, preventing accelerated wear on connected systems caused by misalignment.

The main frame is the structural backbone of the concrete pump. It provides the rigid mounting platform for the engine or motor, hydraulic components, pump assembly, and hopper, keeping every system in correct alignment during operation. When a main frame is cracked, deformed, or otherwise compromised, it can cause misalignment of critical components, vibration issues, and accelerated wear throughout the machine — making timely replacement essential to keeping the pump operating safely and effectively.

Part Details

Compatibility & Fitment

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.