The Multiquip 010062 Square Key 3/8 x 1-3/8 is a genuine OEM component designed for MG30, EM12M, WM120SM, and MS-40M series equipment. As a direct OEM replacement, this key is manufactured to the same specifications as the original, ensuring a correct fit in the keyway without modification. Compatible across a wide range of Multiquip mixers, mortar mixers, and masonry saws — including MG30T2D, MG30M2D, MG30T3D, MG30M3D, EM12ME51, EM12ME53, EM120SM, WM120PM, WM120SM, EM900SD, and MS-40M models. Keeping a spare 010062 on hand means less time waiting on parts when scheduled maintenance comes around.
Key Features
- Genuine OEM Material Grade — Machined to the exact dimensional tolerances required for secure torque transfer in mixer and saw drive applications, preventing slippage under load.
- Drop-In Keyway Fit — Sized at 3/8 x 1-3/8 to seat directly into the original keyway slot with no filing or shimming needed.
- Broad Model Coverage — Fits MG30, EM12M, WM120SM, WM120PM, EM900SD, and MS-40M series machines from the Multiquip portfolio.
- Drive Integrity Under Load — A correctly fitted square key locks the shaft and hub together, maintaining consistent power transfer to the drum or blade; a worn or missing key causes slippage, vibration, and accelerated wear on both shaft and hub.
- Low-Cost Preventive Spare — Square keys are high-wear consumables in mixer and saw applications; stocking part 010062 allows immediate replacement during routine service without waiting on a special order.
A square key is a small but critical drivetrain component that sits in a matching slot — called a keyway — cut into both the shaft and the hub of a rotating component such as a mixer drum gear or saw drive pulley. It locks the two parts together rotationally so that engine torque is transferred cleanly to the driven component rather than the shaft spinning freely inside the hub. When a square key shears, becomes worn, or works loose, the driven component will slip or stop turning entirely, and both the shaft and the hub keyway can sustain damage that makes the next replacement more involved. Inspecting and replacing the key at regular service intervals is a straightforward way to protect the more expensive components around it.
Part Details
| Part Number | EM010062 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Square Key 3/8 x 1-3/8 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Fireproofing Pumps | MG30T2D |
| Fireproofing Pumps | MG30M2D |
| Fireproofing Pumps | MG30T3D |
| Fireproofing Pumps | MG30M3D |
| ESSICK Plaster-Mortar Mixers | EM12M |
| ESSICK Plaster-Mortar Mixers | EM12ME51 |
| ESSICK Plaster-Mortar Mixers | EM12ME53 |
| Mixers | EM-120PM |
| Essick Mixers | EM900SD |
| Mixers | WM120PM |
| Essick Mixers | EM12M Series |
| Essick Mixers | EM120SM |
| Masonry Saws | MS-40M |
| Mixers | WM120SM |
| Fireproofing Pumps | MG30 |
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.
