Miller announces all-new HDI Air Pak Series at WTW25



3/6/25

Miller Electric Mfg. LLC announced the forthcoming Q2 2025 release of the HDI™ 265 Air Pak™ and HDI™ 325 Air Pak™. As the newest addition to the Miller work truck solutions portfolio, the HDI Air Pak series is the company’s first hydraulically driven all-in-one unit engineered for the work truck industry. Eliminate the need for a standalone rotary-screw compressor and engine-driven welder on your work truck and maximize your efficiency and avoid the need for extra trips.

The HDI Air Pak maximizes truck space and increases payload capacity, saving up to 400 pounds and reducing the equipment footprint by 54% compared to using an engine-driven welder and a separate compressor. Additionally, each HDI Air Pak model is integrated into the truck chassis and features industry-leading advantages, including:

  • Onboard compressed air: The HDI Air Pak rotary-screw compressor produces 40 or 60 cfm of air at 100% duty cycle.
  • Battery charge/crank assist: Produces up to 150 amps of DC current to quickly charge 12- and 24-volt batteries. Operators can crank assist weak batteries with up to 300 amps of power.
  • Auxiliary power: A 7,000-watt generator that can handle jobsite electrical needs to power tools, lights and more.
  • Integrated multiprocess welding: Technicians are prepared for any welding job they encounter in the field with 265 or 325 amps of output at 100% duty cycle and industry-leading weld quality, including:
    • DC stick (SMAW)
    • MIG (GMAW)
    • Aluminum MIG (GMAW)
    • Flux-cored (FCAW)
    • DC TIG (GTAW)
    • Air carbon arc (CAC-A)

Additionally, Auto-Set™ technology offers preset weld settings, making weld parameter setup fast, easy and accurate for operators of all skill levels.

  • Modular remote panels: Convenient remote panels with outputs for battery charge, auxiliary power and welding can be installed to reduce risk of slips, trips or falls and help you get the job done faster.
  • Simple setup: A single, easy-to-use digital user interface for air compressor, battery charge/crank assist and weld parameter settings saves time and helps guarantee accuracy.
  • Simplified maintenance: Toolless panels allow for quick and easy access to routine service and maintenance points.
  • Data visibility: Preventative maintenance alerts help you plan necessary service time, and CAN bus connectivity provides fleet data management insights.
  • Quieter jobsite operations: Reduced sound levels help improve work environments and minimize noise fatigue.

The HDI Air Pak series offers common platform parts, service, training and operation, making it the only truck power solution you and your technicians need. Raise your standard and ask your Miller representative or truck upfitter how the HDI Air Pak can complete your fleet, or visit www.millerwelds.com/products/hdi-air-pak for more information.