The Multiquip 3421 Motor End Coupler is a genuine OEM component designed for Essick Mixers, Whiteman Mixers, and LT6K towable light tower series equipment. Sourced directly from Multiquip, this part matches the original specification for a drop-in replacement with no guesswork on compatibility. Confirmed fitment includes the EM120P Series, EM120S Series, WM120PH, WM120SH, LT6K, and LT6KV (60HZ) models. Keeping the correct coupler in service ensures your drivetrain stays connected and your machine stays productive on the job.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original torque and dimensional tolerances, ensuring the coupler seats and engages correctly at the motor end without slippage or misalignment.
- Direct-Fit Replacement — Engineered to match the motor shaft interface exactly, allowing straightforward installation on compatible Essick and Whiteman mixer models as well as LT6K light tower units.
- Broad Series Compatibility — Fits the EM120P Series, EM120S Series, WM120PH, WM120SH, LT6K, and LT6KV (60HZ), covering a wide range of Multiquip mixer and towable light tower applications.
- Drivetrain Integrity — A worn or cracked motor end coupler causes power loss, vibration, and eventual drivetrain failure; replacing it with this OEM part restores full torque transfer between the motor and driven component.
- Verified Part Number — Order with confidence using Multiquip part number 3421 to confirm you are receiving the correct component for your specific machine configuration.
The motor end coupler is the mechanical link between the electric motor shaft and the driven assembly — in mixers, this means transferring rotational force to the drum; in light tower applications, it connects the motor to the generator or drive component. When this coupler is intact and properly seated, power moves smoothly and efficiently through the drivetrain. If the coupler cracks, deforms, or wears at the engagement points, you will notice vibration, loss of drum rotation, or complete drivetrain disengagement — making timely replacement critical to keeping your equipment operational.
Part Details
| Part Number | 3421 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Motor End Coupler |
Compatibility & Fitment
| Name | Model |
|---|---|
| Essick Mixers | EM120P Series |
| Essick Mixers | EM120S Series |
| Whiteman Mixers | WM120PH |
| Whiteman Mixers | WM120SH |
| Towable Towers | LT6K |
| Towable Towers | LT6KV (60HZ) |
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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