The Multiquip M060483 Muffler (Donaldson) LS300 is a genuine OEM exhaust muffler designed for the LS300 hydraulic-driven concrete pump. As an authentic Multiquip replacement component, this muffler is sourced to the original Donaldson specification, ensuring a direct, correct-fit installation on LS300 series machines. If your concrete pump is running louder than usual, producing excessive exhaust back-pressure, or showing signs of a deteriorated muffler, this is the correct service part to restore proper exhaust function.
Key Features
- OEM Donaldson Exhaust Specification — Sourced to the original Donaldson muffler spec, delivering the correct exhaust flow restriction and noise attenuation for the LS300 engine system.
- Direct-Mount Replacement — Engineered to bolt directly into the existing exhaust outlet position on the LS300, using the original mounting configuration with no fabrication or adaptation.
- LS300 Concrete Pump Fitment — Confirmed fit for the Multiquip LS300 hydraulic-driven concrete pump series.
- Sustained Engine Performance — A correctly functioning muffler maintains proper exhaust back-pressure, which supports consistent engine output; a cracked or failed muffler can lead to power loss, increased noise levels, and potential engine damage over time.
- Exhaust System Safety — Proper muffler integrity is essential to directing exhaust gases safely away from the operator and worksite personnel — a failed or leaking muffler creates a genuine carbon monoxide exposure risk on enclosed or semi-enclosed job sites.
The muffler is a core component of the engine exhaust system, responsible for reducing combustion noise and channeling hot exhaust gases safely away from the machine and its operator. On a concrete pump like the LS300, where continuous engine operation is standard, a properly sealed and functioning muffler also helps maintain the correct exhaust back-pressure that the engine relies on for efficient combustion. When a muffler cracks, corrodes, or fails at its mounting connections, the result is increased exhaust noise, potential power loss, and — critically — the risk of exhaust gases entering areas occupied by workers.
For fitment questions or help confirming this is the correct part for your LS300, contact the DHS Equipment parts team directly.
Part Details
| Part Number | M060483 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Muffler (Donaldson) LS300 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | LS300 |
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.