The Multiquip 45819 Lower Rotor Housing Assembly is a genuine OEM component designed for MD80 and MD105 hydraulic ride-on power trowels. As a direct factory replacement, this assembly ensures the rotor system is correctly housed and aligned to maintain smooth, consistent blade operation. Sourced directly through authorized Multiquip supply channels, part number 45819 meets the original design specifications for these mid-sized hydrostatic trowel models.
Key Features
- Genuine OEM Construction — Manufactured to the original structural tolerances required for rotor housing integrity, ensuring the assembly seats and seals correctly within the trowel's lower drive system.
- Direct-Fit Replacement — Engineered as a drop-in replacement for the existing lower rotor housing on compatible machines, aligning with original mounting points and hardware without rework.
- Confirmed Fitment — Verified for use on MD80 and MD105 hydraulic ride-on power trowels from Multiquip's mid-sized hydrostatic series.
- Rotor System Stability — A correctly fitted lower rotor housing keeps the rotor assembly centered and protected, preventing blade wobble, uneven finish patterns, and accelerated wear on surrounding drive components.
- Operational Safety — A compromised or cracked rotor housing can allow debris ingestion and loss of rotor control; replacing with a genuine OEM assembly restores the structural protection the drive system depends on.
The lower rotor housing assembly forms the structural enclosure around the trowel's rotor and blade drive system at the base of the machine. It keeps the rotor correctly positioned relative to the drive shaft and protects internal components from contact with concrete debris and moisture. When this housing is cracked, worn, or damaged, rotor alignment suffers, leading to uneven blade pitch, erratic finishing behavior, and potential damage to the gearbox or drive shaft above it.
Part Details
| Part Number | 45819 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Lower Rotor Housing Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Hydraulic Ride-On Power Trowels | MD80 |
| Hydraulic Ride-On Power Trowels | MD105 |
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.
