The Multiquip EM491759 Woodruff Key 1/8" x 1/2" is a genuine OEM component designed for R2000, V304, V305EH, V305EK, and R2000H roller equipment. As a direct OEM replacement, it meets the same material and dimensional standards as the original part, ensuring a secure, precise connection between mating shaft components. Sourced directly through Multiquip's authorized parts network, EM491759 is the correct specification key for these roller models and is backed by OEM quality assurance.
Key Features
- OEM-Grade Material Hardness — Manufactured to the same steel hardness and shear tolerance as the original, ensuring the key seats and locks correctly under load without premature deformation.
- Exact Dimensional Fit — At 1/8" x 1/2", this key drops directly into the keyway on compatible shaft and hub assemblies with no filing or fitting required.
- Broad Roller Compatibility — Fits Multiquip R2000, R2000H, V304, V305EH, and V305EK rollers, covering both ride-on static and walk-behind single drum roller families.
- Maintains Positive Shaft-to-Hub Drive — A correctly installed Woodruff key locks rotational drive between the shaft and hub; a worn or missing key causes slippage, power loss, and accelerated wear to both mating surfaces.
- Critical Drive-Train Safety Component — Failure of this key under operating load can result in sudden loss of drive engagement; replacing it with a correct OEM-specification part helps maintain predictable machine control.
A Woodruff key is a small, semi-circular or rectangular steel component that sits in a machined slot — called a keyway — between a rotating shaft and a hub or gear. Its job is to transmit torque by locking the two components together so they rotate as one unit. When a Woodruff key shears, wears, or goes missing, the hub can spin freely on the shaft, causing a loss of drive, vibration, and rapid damage to the keyway itself — turning a low-cost fix into a costly shaft or gear replacement if left unaddressed.
For questions about fitment or to confirm compatibility with your specific roller serial number, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | 491759 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Woodruff Key 1/8" x 1/2" |
Compatibility & Fitment
| Name | Model |
|---|---|
| Ride-On Static Roller | R2000 |
| Rollers | V304 |
| Rollers | V305EH |
| Rollers | R2000H |
| Rollers | V305EK |
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.
