Skip to Main Content

300740 - Miller 74MPa Plus Left Hand Drive Assembly with 24V Gas Valve

Packaging: 1 PER EA
$3,676.42/ea

Usually ships within 3-5 business days

OVERVIEW

Restore Your Feeder's Performance

The Miller 300740 Drive Assembly is a critical replacement component designed specifically for the 74MPa Plus series of industrial wire feeders. As a genuine Miller Electric OEM part, this assembly ensures that your equipment continues to operate at the high standards required for precision welding applications. This unit is the Left Hand configuration, matching specific machine setups where the wire drive mechanism is oriented to the left.

Wire feeders are the heart of any MIG welding operation, and the drive assembly is responsible for the consistent delivery of filler metal to the weld pool. Over time, mechanical wear can affect feeding consistency. Installing this brand-new assembly helps eliminate feeding issues such as slipping or erratic wire speeds. This particular model comes equipped with a 24 VAC gas solenoid, integrating the shielding gas control directly into the drive unit for seamless operation.

At Josef Gas, we recommend using only authentic Miller parts for repairs to maintain warranty compliance and equipment longevity. The 300740 is built to the exact specifications of the original factory part, ensuring a hassle-free installation and reliable performance in heavy-duty industrial environments.

Additional Information
Packaging Description:1 Per Ea, pack of 1
Compatible Model:74MPa Plus
Orientation:Left Hand
Voltage:24 VAC
Component Type:Drive Assembly
----- new values below ----
Compatible Model:74MPa Plus
Orientation:Left Hand
Voltage:24 VAC
Component Type:Drive Assembly
Brand:Miller OEM
Packaging Description:pack of 1

INCLUDED

  • 1 x Miller 300740 Drive Assembly (Left Hand)
  • Integrated 24 VAC Gas Solenoid

APPLICATIONS

  • Repairing Miller 74MPa Plus wire feeders
  • Replacing worn left-hand drive mechanisms
  • Restoring proper gas solenoid function in the feeder
  • Industrial MIG welding maintenance

FAQ

This drive assembly is designed specifically for the Miller 74MPa Plus wire feeder.

This is the Left Hand configuration of the drive assembly.

Yes, it includes the 24 VAC gas solenoid/valve component.

Yes, the Miller 300740 is a genuine OEM replacement part.

The gas component included in this assembly is rated for 24 VAC.

Replacing the assembly is often necessary if the motor, gearing, or housing has suffered significant wear or damage that individual small parts cannot fix.

This part is specified for the 74MPa Plus. Standard 70 Series feeders may use different drive assemblies; always check your manual.