Multiquip 802414 Coupler - OEM Replacement Part for Hydraulic Plaster/Mortar Mixers

The coupler is a critical drivetrain component that connects the power source to the hydraulic system on PRO12 series hydraulic plaster and mortar mixers. This coupling transmits rotational force from the engine or electric motor to the hydraulic pump, enabling the paddle control system that provides 3-position mixing operation (clockwise rotation, neutral, and off). When a coupler fails or wears, symptoms include loss of paddle rotation control, unusual vibration during operation, or complete loss of hydraulic function for both mixing and dump operations.

The PRO12 series mixers feature a 12.0 cubic foot (340 liter) drum capacity with a batch capacity of 3-1/2 to 4-1/2 bags, designed specifically for mixing plaster and mortar applications. The hydraulic system powers both the mixing paddles and dump cylinder, making the coupler an essential component for maintaining full mixer functionality. Regular inspection of drivetrain components during routine maintenance helps identify coupling wear before complete failure occurs.

Compatible with the following Multiquip mixer models:

• PRO12 (Gasoline - Honda GX390RT2-QNB2)
• PRO12E51 (Electric - TECO Westinghouse 5HP)
• PRO12C (Gasoline with Hydraulic Dump)
• PRO12E51C (Electric with Hydraulic Dump)

Genuine Multiquip OEM part, sold by an authorized dealer.