The Multiquip EM50604 Atwood 750 St80 Coupler is a genuine OEM component designed for AR13D, AR13HA, AR13HAR, AR13H, and AR13HC asphalt ride-on rollers. Sourced directly from Multiquip, this coupler matches the original specification of your AR13 series machine so it seats and connects exactly as the factory intended. If you are servicing one of these compaction rollers, verifying EM50604 against your machine's parts diagram ensures you are ordering the correct unit before it ships.
Key Features
- Genuine OEM Coupler Integrity — manufactured to the same material and dimensional tolerances as the original, so coupling engagement and load transfer perform as Multiquip intended.
- Direct-Fit for AR13 Series Rollers — engineered to install in the factory coupler position on AR13D, AR13HA, AR13HAR, AR13H, and AR13HC machines without rework or adaptation.
- Maintains Drive Connection Reliability — a sound coupler keeps power transfer between drive components smooth and consistent; a worn or cracked coupler introduces slop, vibration, and eventual drivetrain damage.
- Verified Multiquip Part Number — ordering by part number EM50604 eliminates guesswork and cross-reference errors common when sourcing coupler components for roller equipment.
- Backed by DHS Equipment — available through DHS Equipment, an authorized Multiquip parts distributor, with access to the full Multiquip OEM parts catalog.
A coupler transmits rotational force between two connected shafts or drive components, allowing power to move through the drivetrain while accommodating minor misalignment and absorbing shock loads. On an asphalt ride-on roller like the AR13 series, maintaining a correctly functioning coupler is critical to keeping drum drive smooth and preventing premature wear on adjacent drivetrain components. When a coupler cracks, deforms, or loses its fit, the resulting play in the connection causes vibration, uneven drum behavior, and can accelerate damage to the components it links.
Part Details
| Part Number | EM50604 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Atwood 750 St80 Coupler |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rollers | AR13D |
| Rollers | AR13HA/HAR |
| Rollers | AR13H |
| Rollers | AR13HC |
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.
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