It’s Time to Raise Your Standard

Stop sacrificing payload with separate compressors and engine-driven welders. Streamline your equipment and operations with the new hydraulically driven all-in-one Miller HDI Air Pak series. These innovative units let you maximize payload, save valuable truck space, and tackle more tasks with a single, powerful machine.

Key Benefits

The Ultimate Hydraulically Driven Power System

Meet the HDI Air Pak all-in-one solutions – they’re the only hydraulically driven power system your team will ever need. These units combine the power of two machines into one, engineered with cutting-edge technology for unmatched reliability and job site support. Plus, they’re designed to reduce payload, giving you even more capability on the road.

Smaller and Lighter

These units are significantly more compact and lighter. They can be up to 400 pounds lighter and have a 54% smaller footprint compared to using a separate engine-driven welder and a standalone air compressor.

Exceptional Weld Quality

You can expect top-tier welding performance with these units, along with outstanding reliability and support.

Simplified Setup

Pre-set weld settings are available to make welding simpler and more accurate for your technicians. This feature helps ensure precise results without complex manual adjustments.

Streamlined Controls

Save time with a single, intuitive interface that manages all settings for the air compressor, battery charge/crank assist, and welding parameters.

Customizable Remote Access

These units feature modular remote panels, letting you create a personalized setup for quick, easy access. This design also helps reduce the risk of injuries that can occur from climbing onto your truck.

Quiter Operation

Operate at reduced sound levels, help lessen noise fatigue on the jobsite.

Power Capabilities

Compressed Air

Rotary-screw compressor with 40 cfm (265 model) or 60 cfm (325 model) provides air on demand.

Battery Charge / Crank Assist

Up to 150 amps of DC power for 12/24V battery charging. Up to 300 amps for crank assist.

Auxiliary Power

7,000-watt generator can handle most jobsite electrical needs to power electric tools, lights and more.

Integrated Multiprocess Welding

Provides 265 amps (265 model) or 325 amps (325 model) of output.

Products

HDI™ 325 Air Pak™

The HDI 325 Air Pak has a 60 cfm air compressor, battery charge/crank assist, auxiliary power and 325 amps of integrated multiprocess welding output.

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