The Multiquip 502454370 Engine Pulley is a genuine OEM component designed for MDR-9GH power trowels. Sourced directly from Multiquip, this pulley is manufactured to the exact specifications of the original part, ensuring correct belt alignment and consistent power transfer from the engine to the drive system. If you are servicing or rebuilding an MDR-9GH, using the correct OEM pulley is the straightforward way to restore the machine to proper operating condition.
Key Features
- Genuine OEM Construction — Machined to the exact bore diameter, outer profile, and keyway dimensions of the original Multiquip pulley, so belt tracking and tension behave as intended.
- Direct Drop-In Replacement — Matches the original mounting configuration on the MDR-9GH engine shaft, requiring no modification to surrounding drive components during installation.
- Compatible with MDR-9GH Power Trowels — Verified fitment for the Multiquip MDR-9GH series, eliminating guesswork when sourcing a replacement.
- Consistent Power Transfer — A correctly sized pulley maintains proper belt speed and drive ratio, keeping blade RPM within spec and preventing premature belt wear or slippage.
- Long-Term Drive System Integrity — OEM pulley geometry prevents imbalanced loading on bearings and belts that can result from an incorrectly profiled aftermarket substitute.
The engine pulley is the driven interface between the engine output shaft and the belt drive system of the power trowel. It transmits rotational force from the engine to the clutch and blade assembly, and its diameter directly determines the operating speed ratio of the drivetrain. A worn, cracked, or incorrectly sized pulley can cause belt slippage, uneven blade rotation, accelerated belt wear, and loss of finishing control — all of which reduce the quality of the concrete surface finish and can lead to broader drivetrain damage if left unaddressed.
Part Details
| Part Number | 502454370 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine Pulley |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Trowels | MDR-9GH |
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.
